Moved util subprojects into their own projects
This commit is contained in:
Robinson
parent
86ae8e36da
commit
6a368ccd13
@ -1,772 +0,0 @@
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/*
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* Copyright 2014 dorkbox, llc
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package dorkbox.util.bytes;
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import java.io.IOException;
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import java.io.InputStream;
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import java.math.BigInteger;
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import java.nio.ByteBuffer;
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/**
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* This is "motorola endian", or commonly as "network byte order".
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* <p/>
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* This is also the default for Java.
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* <p/>
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* arm is technically bi-endian
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*/
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@SuppressWarnings("ALL")
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public
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class BigEndian {
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// the following are ALL in Bit-Endian (byte[0] is MOST significant)
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/**
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* CHAR to and from bytes
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*/
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public static final
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class Char_ {
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@SuppressWarnings("fallthrough")
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public static
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char from(final byte[] bytes, final int offset, final int bytenum) {
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char number = 0;
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switch (bytenum) {
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case 2:
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number |= (bytes[offset + 0] & 0xFF) << 8;
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case 1:
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number |= (bytes[offset + 1] & 0xFF) << 0;
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}
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return number;
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}
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@SuppressWarnings("fallthrough")
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public static
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char from(final byte[] bytes) {
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char number = 0;
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switch (bytes.length) {
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default:
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case 2:
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number |= (bytes[0] & 0xFF) << 8;
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case 1:
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number |= (bytes[1] & 0xFF) << 0;
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}
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return number;
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}
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public static
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char from(final byte b0, final byte b1) {
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return (char) ((b0 & 0xFF) << 8 | (b1 & 0xFF) << 0);
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}
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public static
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char from(final ByteBuffer buff) {
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return from(buff.get(), buff.get());
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}
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public static
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char from(final InputStream inputStream) throws IOException {
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return from((byte) inputStream.read(), (byte) inputStream.read());
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}
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public static
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byte[] toBytes(final char x) {
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return new byte[] {(byte) (x >> 8), (byte) (x >> 0)};
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}
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public static
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void toBytes(final char x, final byte[] bytes, final int offset) {
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bytes[offset + 0] = (byte) (x >> 8);
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bytes[offset + 1] = (byte) (x >> 0);
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}
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public static
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void toBytes(final char x, final byte[] bytes) {
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bytes[0] = (byte) (x >> 8);
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bytes[1] = (byte) (x >> 0);
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}
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private
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Char_() {
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}
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}
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/**
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* UNSIGNED CHAR to and from bytes
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*/
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public static final
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class UChar_ {
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@SuppressWarnings("fallthrough")
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public static
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UShort from(final byte[] bytes, final int offset, final int bytenum) {
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char number = 0;
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switch (bytenum) {
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case 2:
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number |= (bytes[offset + 0] & 0xFF) << 8;
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case 1:
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number |= (bytes[offset + 1] & 0xFF) << 0;
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}
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return UShort.valueOf(number);
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}
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@SuppressWarnings("fallthrough")
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public static
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UShort from(final byte[] bytes) {
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short number = 0;
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switch (bytes.length) {
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default:
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case 2:
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number |= (bytes[0] & 0xFF) << 8;
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case 1:
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number |= (bytes[1] & 0xFF) << 0;
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}
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return UShort.valueOf(number);
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}
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public static
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UShort from(final byte b0, final byte b1) {
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return UShort.valueOf((short) ((b0 & 0xFF) << 8) | (b1 & 0xFF) << 0);
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}
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public static
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UShort from(final ByteBuffer buff) {
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return from(buff.get(), buff.get());
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}
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public static
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UShort from(final InputStream inputStream) throws IOException {
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return from((byte) inputStream.read(), (byte) inputStream.read());
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}
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public static
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byte[] toBytes(final UShort x) {
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int num = x.intValue();
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return new byte[] {(byte) ((num & 0xFF00) >> 8), (byte) (num & 0x00FF >> 0)};
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}
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public static
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void toBytes(final UShort x, final byte[] bytes, final int offset) {
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int num = x.intValue();
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bytes[offset + 0] = (byte) ((num & 0xFF00) >> 8);
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bytes[offset + 1] = (byte) (num & 0x00FF >> 0);
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}
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public static
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void toBytes(final UShort x, final byte[] bytes) {
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int num = x.intValue();
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bytes[0] = (byte) ((num & 0xFF00) >> 8);
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bytes[1] = (byte) (num & 0x00FF >> 0);
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}
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private
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UChar_() {
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}
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}
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/**
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* SHORT to and from bytes
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*/
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public static final
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class Short_ {
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@SuppressWarnings("fallthrough")
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public static
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short from(final byte[] bytes, final int offset, final int bytenum) {
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short number = 0;
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switch (bytenum) {
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case 2:
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number |= (bytes[offset + 0] & 0xFF) << 8;
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case 1:
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number |= (bytes[offset + 1] & 0xFF) << 0;
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}
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return number;
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}
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@SuppressWarnings("fallthrough")
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public static
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short from(final byte[] bytes) {
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short number = 0;
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switch (bytes.length) {
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default:
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case 2:
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number |= (bytes[0] & 0xFF) << 8;
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case 1:
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number |= (bytes[1] & 0xFF) << 0;
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}
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return number;
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}
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public static
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short from(final byte b0, final byte b1) {
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return (short) ((b0 & 0xFF) << 8 | (b1 & 0xFF) << 0);
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}
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public static
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short from(final ByteBuffer buff) {
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return from(buff.get(), buff.get());
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}
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public static
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short from(final InputStream inputStream) throws IOException {
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return from((byte) inputStream.read(), (byte) inputStream.read());
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}
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public static
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byte[] toBytes(final short x) {
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return new byte[] {(byte) (x >> 8), (byte) (x >> 0)};
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}
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public static
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void toBytes(final short x, final byte[] bytes, final int offset) {
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bytes[offset + 0] = (byte) (x >> 8);
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bytes[offset + 1] = (byte) (x >> 0);
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}
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public static
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void toBytes(final short x, final byte[] bytes) {
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bytes[0] = (byte) (x >> 8);
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bytes[1] = (byte) (x >> 0);
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}
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private
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Short_() {
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}
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}
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/**
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* UNSIGNED SHORT to and from bytes
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*/
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public static final
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class UShort_ {
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@SuppressWarnings("fallthrough")
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public static
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UShort from(final byte[] bytes, final int offset, final int bytenum) {
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char number = 0;
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switch (bytenum) {
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case 2:
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number |= (bytes[offset + 0] & 0xFF) << 8;
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case 1:
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number |= (bytes[offset + 1] & 0xFF) << 0;
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}
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return UShort.valueOf(number);
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}
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@SuppressWarnings("fallthrough")
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public static
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UShort from(final byte[] bytes) {
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short number = 0;
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switch (bytes.length) {
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default:
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case 2:
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number |= (bytes[0] & 0xFF) << 8;
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case 1:
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number |= (bytes[1] & 0xFF) << 0;
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}
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return UShort.valueOf(number);
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}
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public static
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UShort from(final byte b0, final byte b1) {
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return UShort.valueOf((short) ((b0 & 0xFF) << 8) | (b1 & 0xFF) << 0);
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}
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public static
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UShort from(final ByteBuffer buff) {
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return from(buff.get(), buff.get());
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}
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public static
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UShort from(final InputStream inputStream) throws IOException {
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return from((byte) inputStream.read(), (byte) inputStream.read());
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}
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public static
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byte[] toBytes(final UShort x) {
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final int num = x.intValue();
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return new byte[] {(byte) ((num & 0xFF00) >> 8), (byte) (num & 0x00FF >> 0)};
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}
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public static
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void toBytes(final UShort x, final byte[] bytes, final int offset) {
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int num = x.intValue();
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bytes[offset + 0] = (byte) ((num & 0xFF00) >> 8);
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bytes[offset + 1] = (byte) (num & 0x00FF >> 0);
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}
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public static
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void toBytes(final UShort x, final byte[] bytes) {
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int num = x.intValue();
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bytes[0] = (byte) ((num & 0xFF00) >> 8);
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bytes[1] = (byte) (num & 0x00FF >> 0);
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}
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private
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UShort_() {
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}
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}
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/**
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* INT to and from bytes
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*/
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public static final
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class Int_ {
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@SuppressWarnings("fallthrough")
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public static
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int from(final byte[] bytes, final int offset, final int bytenum) {
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int number = 0;
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switch (bytenum) {
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case 4:
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number |= (bytes[offset + 0] & 0xFF) << 24;
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case 3:
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number |= (bytes[offset + 1] & 0xFF) << 16;
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case 2:
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number |= (bytes[offset + 2] & 0xFF) << 8;
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case 1:
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number |= (bytes[offset + 3] & 0xFF) << 0;
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}
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return number;
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}
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@SuppressWarnings("fallthrough")
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public static
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int from(final byte[] bytes) {
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int number = 0;
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switch (bytes.length) {
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default:
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case 4:
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number |= (bytes[0] & 0xFF) << 24;
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case 3:
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number |= (bytes[1] & 0xFF) << 16;
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case 2:
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number |= (bytes[2] & 0xFF) << 8;
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case 1:
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number |= (bytes[3] & 0xFF) << 0;
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}
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return number;
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}
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public static
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int from(final byte b0, final byte b1, final byte b2, final byte b3) {
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return (b0 & 0xFF) << 24 |
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(b1 & 0xFF) << 16 |
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(b2 & 0xFF) << 8 |
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(b3 & 0xFF) << 0;
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}
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public static
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int from(final ByteBuffer buff) {
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return from(buff.get(), buff.get(), buff.get(), buff.get());
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}
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public static
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int from(InputStream inputStream) throws IOException {
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return from((byte) inputStream.read(), (byte) inputStream.read(), (byte) inputStream.read(), (byte) inputStream.read());
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}
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public static
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byte[] toBytes(final int x) {
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return new byte[] {(byte) (x >> 24), (byte) (x >> 16), (byte) (x >> 8), (byte) (x >> 0)};
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}
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public static
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void toBytes(final int x, final byte[] bytes, final int offset) {
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bytes[offset + 0] = (byte) (x >> 24);
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bytes[offset + 1] = (byte) (x >> 16);
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bytes[offset + 2] = (byte) (x >> 8);
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bytes[offset + 3] = (byte) (x >> 0);
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}
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public static
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void toBytes(final int x, final byte[] bytes) {
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bytes[0] = (byte) (x >> 24);
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bytes[1] = (byte) (x >> 16);
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bytes[2] = (byte) (x >> 8);
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bytes[3] = (byte) (x >> 0);
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}
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private
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Int_() {
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}
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}
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/**
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* UNSIGNED INT to and from bytes
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*/
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public static final
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class UInt_ {
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@SuppressWarnings("fallthrough")
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public static
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UInteger from(final byte[] bytes, final int offset, final int bytenum) {
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int number = 0;
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switch (bytenum) {
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case 4:
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number |= (bytes[offset + 0] & 0xFF) << 24;
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case 3:
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number |= (bytes[offset + 1] & 0xFF) << 16;
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case 2:
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number |= (bytes[offset + 2] & 0xFF) << 8;
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case 1:
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number |= (bytes[offset + 3] & 0xFF) << 0;
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}
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return UInteger.valueOf(number);
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}
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@SuppressWarnings("fallthrough")
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public static
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UInteger from(final byte[] bytes) {
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int number = 0;
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switch (bytes.length) {
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default:
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case 4:
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number |= (bytes[0] & 0xFF) << 24;
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case 3:
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number |= (bytes[1] & 0xFF) << 16;
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case 2:
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number |= (bytes[2] & 0xFF) << 8;
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case 1:
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number |= (bytes[3] & 0xFF) << 0;
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}
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return UInteger.valueOf(number);
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}
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public static
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UInteger from(final byte b0, final byte b1, final byte b2, final byte b3) {
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int number = (b0 & 0xFF) << 24 |
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(b1 & 0xFF) << 16 |
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(b2 & 0xFF) << 8 |
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(b3 & 0xFF) << 0;
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return UInteger.valueOf(number);
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}
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public static
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UInteger from(final ByteBuffer buff) {
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return from(buff.get(), buff.get(), buff.get(), buff.get());
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}
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public static
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UInteger from(final InputStream inputStream) throws IOException {
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return from((byte) inputStream.read(), (byte) inputStream.read(), (byte) inputStream.read(), (byte) inputStream.read());
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}
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public static
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byte[] toBytes(final UInteger x) {
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long num = x.longValue();
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return new byte[] {(byte) ((num & 0xFF000000L) >> 24), (byte) ((num & 0x00FF0000L) >> 16), (byte) ((num & 0x0000FF00L) >> 8),
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(byte) (num & 0x000000FFL >> 0)};
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}
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public static
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void toBytes(final UInteger x, final byte[] bytes, final int offset) {
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long num = x.longValue();
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bytes[offset + 0] = (byte) ((num & 0xFF000000L) >> 24);
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bytes[offset + 1] = (byte) ((num & 0x00FF0000L) >> 16);
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bytes[offset + 2] = (byte) ((num & 0x0000FF00L) >> 8);
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bytes[offset + 3] = (byte) (num & 0x000000FFL >> 0);
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}
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|
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public static
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void toBytes(final UInteger x, final byte[] bytes) {
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long num = x.longValue();
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bytes[0] = (byte) ((num & 0xFF000000L) >> 24);
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bytes[1] = (byte) ((num & 0x00FF0000L) >> 16);
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bytes[2] = (byte) ((num & 0x0000FF00L) >> 8);
|
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bytes[3] = (byte) (num & 0x000000FFL >> 0);
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}
|
||||
|
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private
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UInt_() {
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}
|
||||
}
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||||
|
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|
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/**
|
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* LONG to and from bytes
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||||
*/
|
||||
public static final
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class Long_ {
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@SuppressWarnings("fallthrough")
|
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public static
|
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long from(final byte[] bytes, final int offset, final int bytenum) {
|
||||
long number = 0;
|
||||
|
||||
switch (bytenum) {
|
||||
case 8:
|
||||
number |= (long) (bytes[offset + 0] & 0xFF) << 56;
|
||||
case 7:
|
||||
number |= (long) (bytes[offset + 1] & 0xFF) << 48;
|
||||
case 6:
|
||||
number |= (long) (bytes[offset + 2] & 0xFF) << 40;
|
||||
case 5:
|
||||
number |= (long) (bytes[offset + 3] & 0xFF) << 32;
|
||||
case 4:
|
||||
number |= (long) (bytes[offset + 4] & 0xFF) << 24;
|
||||
case 3:
|
||||
number |= (long) (bytes[offset + 5] & 0xFF) << 16;
|
||||
case 2:
|
||||
number |= (long) (bytes[offset + 6] & 0xFF) << 8;
|
||||
case 1:
|
||||
number |= (long) (bytes[offset + 7] & 0xFF) << 0;
|
||||
}
|
||||
|
||||
return number;
|
||||
}
|
||||
|
||||
@SuppressWarnings("fallthrough")
|
||||
public static
|
||||
long from(final byte[] bytes) {
|
||||
long number = 0L;
|
||||
|
||||
switch (bytes.length) {
|
||||
default:
|
||||
case 8:
|
||||
number |= (long) (bytes[0] & 0xFF) << 56;
|
||||
case 7:
|
||||
number |= (long) (bytes[1] & 0xFF) << 48;
|
||||
case 6:
|
||||
number |= (long) (bytes[2] & 0xFF) << 40;
|
||||
case 5:
|
||||
number |= (long) (bytes[3] & 0xFF) << 32;
|
||||
case 4:
|
||||
number |= (long) (bytes[4] & 0xFF) << 24;
|
||||
case 3:
|
||||
number |= (long) (bytes[5] & 0xFF) << 16;
|
||||
case 2:
|
||||
number |= (long) (bytes[6] & 0xFF) << 8;
|
||||
case 1:
|
||||
number |= (long) (bytes[7] & 0xFF) << 0;
|
||||
}
|
||||
|
||||
return number;
|
||||
}
|
||||
|
||||
public static
|
||||
long from(final byte b0, final byte b1, final byte b2, final byte b3, final byte b4, final byte b5, final byte b6, final byte b7) {
|
||||
return (long) (b0 & 0xFF) << 56 |
|
||||
(long) (b1 & 0xFF) << 48 |
|
||||
(long) (b2 & 0xFF) << 40 |
|
||||
(long) (b3 & 0xFF) << 32 |
|
||||
(long) (b4 & 0xFF) << 24 |
|
||||
(long) (b5 & 0xFF) << 16 |
|
||||
(long) (b6 & 0xFF) << 8 |
|
||||
(long) (b7 & 0xFF) << 0;
|
||||
}
|
||||
|
||||
public static
|
||||
long from(final ByteBuffer buff) {
|
||||
return from(buff.get(), buff.get(), buff.get(), buff.get(), buff.get(), buff.get(), buff.get(), buff.get());
|
||||
}
|
||||
|
||||
public static
|
||||
long from(final InputStream inputStream) throws IOException {
|
||||
return from((byte) inputStream.read(),
|
||||
(byte) inputStream.read(),
|
||||
(byte) inputStream.read(),
|
||||
(byte) inputStream.read(),
|
||||
(byte) inputStream.read(),
|
||||
(byte) inputStream.read(),
|
||||
(byte) inputStream.read(),
|
||||
(byte) inputStream.read());
|
||||
}
|
||||
|
||||
public static
|
||||
byte[] toBytes(final long x) {
|
||||
return new byte[] {(byte) (x >> 56), (byte) (x >> 48), (byte) (x >> 40), (byte) (x >> 32), (byte) (x >> 24), (byte) (x >> 16),
|
||||
(byte) (x >> 8), (byte) (x >> 0)};
|
||||
}
|
||||
|
||||
public static
|
||||
void toBytes(final long x, final byte[] bytes, final int offset) {
|
||||
bytes[offset + 0] = (byte) (x >> 56);
|
||||
bytes[offset + 1] = (byte) (x >> 48);
|
||||
bytes[offset + 2] = (byte) (x >> 40);
|
||||
bytes[offset + 3] = (byte) (x >> 32);
|
||||
bytes[offset + 4] = (byte) (x >> 24);
|
||||
bytes[offset + 5] = (byte) (x >> 16);
|
||||
bytes[offset + 6] = (byte) (x >> 8);
|
||||
bytes[offset + 7] = (byte) (x >> 0);
|
||||
}
|
||||
|
||||
public static
|
||||
void toBytes(final long x, final byte[] bytes) {
|
||||
bytes[0] = (byte) (x >> 56);
|
||||
bytes[1] = (byte) (x >> 48);
|
||||
bytes[2] = (byte) (x >> 40);
|
||||
bytes[3] = (byte) (x >> 32);
|
||||
bytes[4] = (byte) (x >> 24);
|
||||
bytes[5] = (byte) (x >> 16);
|
||||
bytes[6] = (byte) (x >> 8);
|
||||
bytes[7] = (byte) (x >> 0);
|
||||
}
|
||||
|
||||
|
||||
private
|
||||
Long_() {
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* UNSIGNED LONG to and from bytes
|
||||
*/
|
||||
public static final
|
||||
class ULong_ {
|
||||
@SuppressWarnings("fallthrough")
|
||||
public static
|
||||
ULong from(final byte[] bytes, final int offset, final int bytenum) {
|
||||
long number = 0;
|
||||
|
||||
switch (bytenum) {
|
||||
case 8:
|
||||
number |= (long) (bytes[offset + 0] & 0xFF) << 56;
|
||||
case 7:
|
||||
number |= (long) (bytes[offset + 1] & 0xFF) << 48;
|
||||
case 6:
|
||||
number |= (long) (bytes[offset + 2] & 0xFF) << 40;
|
||||
case 5:
|
||||
number |= (long) (bytes[offset + 3] & 0xFF) << 32;
|
||||
case 4:
|
||||
number |= (long) (bytes[offset + 4] & 0xFF) << 24;
|
||||
case 3:
|
||||
number |= (long) (bytes[offset + 5] & 0xFF) << 16;
|
||||
case 2:
|
||||
number |= (long) (bytes[offset + 6] & 0xFF) << 8;
|
||||
case 1:
|
||||
number |= (long) (bytes[offset + 7] & 0xFF) << 0;
|
||||
}
|
||||
|
||||
return ULong.valueOf(number);
|
||||
}
|
||||
|
||||
public static
|
||||
ULong from(final byte[] bytes) {
|
||||
BigInteger ulong = new BigInteger(1, bytes);
|
||||
return ULong.valueOf(ulong);
|
||||
}
|
||||
|
||||
public static
|
||||
ULong from(final byte b0, final byte b1, final byte b2, final byte b3, final byte b4, final byte b5, final byte b6, final byte b7) {
|
||||
byte[] bytes = new byte[] {b0, b1, b2, b3, b4, b5, b6, b7};
|
||||
BigInteger ulong = new BigInteger(1, bytes);
|
||||
return ULong.valueOf(ulong);
|
||||
}
|
||||
|
||||
public static
|
||||
ULong from(final ByteBuffer buff) {
|
||||
return from(buff.get(), buff.get(), buff.get(), buff.get(), buff.get(), buff.get(), buff.get(), buff.get());
|
||||
}
|
||||
|
||||
public static
|
||||
ULong from(final InputStream inputStream) throws IOException {
|
||||
return from((byte) inputStream.read(),
|
||||
(byte) inputStream.read(),
|
||||
(byte) inputStream.read(),
|
||||
(byte) inputStream.read(),
|
||||
(byte) inputStream.read(),
|
||||
(byte) inputStream.read(),
|
||||
(byte) inputStream.read(),
|
||||
(byte) inputStream.read());
|
||||
}
|
||||
|
||||
public static
|
||||
byte[] toBytes(final ULong x) {
|
||||
// returns the shortest length byte array possible
|
||||
byte[] bytes = x.toBigInteger()
|
||||
.toByteArray();
|
||||
|
||||
if (bytes.length < 8) {
|
||||
byte[] fixedBytes = new byte[8];
|
||||
int length = bytes.length;
|
||||
|
||||
for (int i = 0; i < 8; i++) {
|
||||
if (i < length) {
|
||||
fixedBytes[i] = bytes[i];
|
||||
}
|
||||
else {
|
||||
fixedBytes[i] = 0;
|
||||
}
|
||||
}
|
||||
bytes = fixedBytes;
|
||||
}
|
||||
|
||||
return bytes;
|
||||
}
|
||||
|
||||
public static
|
||||
void toBytes(final ULong x, final byte[] bytes, final int offset) {
|
||||
final byte[] bytes1 = toBytes(x);
|
||||
int length = bytes.length;
|
||||
int pos = 8;
|
||||
|
||||
while (length > 0) {
|
||||
bytes[pos--] = bytes1[offset + length--];
|
||||
}
|
||||
}
|
||||
|
||||
public static
|
||||
void toBytes(final ULong x, final byte[] bytes) {
|
||||
final byte[] bytes1 = toBytes(x);
|
||||
int length = bytes.length;
|
||||
int pos = 8;
|
||||
|
||||
while (length > 0) {
|
||||
bytes[pos--] = bytes1[length--];
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
private
|
||||
ULong_() {
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@ -1,114 +0,0 @@
|
||||
/*
|
||||
* Copyright 2014 dorkbox, llc
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package dorkbox.util.bytes;
|
||||
|
||||
import java.util.Arrays;
|
||||
|
||||
/**
|
||||
* Necessary to provide equals and hashcode methods on a byte arrays, if they are to be used as keys in a map/set/etc
|
||||
*/
|
||||
public
|
||||
class ByteArrayWrapper {
|
||||
private byte[] data;
|
||||
private Integer hashCode;
|
||||
|
||||
private
|
||||
ByteArrayWrapper() {
|
||||
// this is necessary for kryo
|
||||
}
|
||||
|
||||
/**
|
||||
* Permits the re-use of a byte array.
|
||||
*
|
||||
* @param copyBytes if TRUE, then the byteArray is copied. if FALSE, the byte array is used as-is.
|
||||
* Using FALSE IS DANGEROUS!!!! If the underlying byte array is modified, this changes as well.
|
||||
*/
|
||||
public
|
||||
ByteArrayWrapper(byte[] data, boolean copyBytes) {
|
||||
if (data == null) {
|
||||
throw new NullPointerException();
|
||||
}
|
||||
int length = data.length;
|
||||
|
||||
if (copyBytes) {
|
||||
this.data = new byte[length];
|
||||
// copy so it's immutable as a key.
|
||||
System.arraycopy(data, 0, this.data, 0, length);
|
||||
}
|
||||
else {
|
||||
this.data = data;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Makes a safe copy of the byte array, so that changes to the original do not affect the wrapper.
|
||||
* Side affect is additional memory is used.
|
||||
*/
|
||||
public static
|
||||
ByteArrayWrapper copy(byte[] data) {
|
||||
if (data == null) {
|
||||
return null;
|
||||
}
|
||||
|
||||
return new ByteArrayWrapper(data, true);
|
||||
}
|
||||
|
||||
/**
|
||||
* Does not make a copy of the data, so changes to the original will also affect the wrapper.
|
||||
* Side affect is no extra memory is needed.
|
||||
*/
|
||||
public static
|
||||
ByteArrayWrapper wrap(byte[] data) {
|
||||
if (data == null) {
|
||||
return null;
|
||||
}
|
||||
return new ByteArrayWrapper(data, false);
|
||||
}
|
||||
|
||||
public
|
||||
byte[] getBytes() {
|
||||
return this.data;
|
||||
}
|
||||
|
||||
@Override
|
||||
public
|
||||
int hashCode() {
|
||||
// might be null for a thread because it's stale. who cares, get the value again
|
||||
Integer hashCode = this.hashCode;
|
||||
if (hashCode == null) {
|
||||
hashCode = Arrays.hashCode(this.data);
|
||||
this.hashCode = hashCode;
|
||||
}
|
||||
return hashCode;
|
||||
}
|
||||
|
||||
@Override
|
||||
public
|
||||
boolean equals(Object other) {
|
||||
if (!(other instanceof ByteArrayWrapper)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
// CANNOT be null, so we don't have to null check!
|
||||
return Arrays.equals(this.data, ((ByteArrayWrapper) other).data);
|
||||
}
|
||||
|
||||
@Override
|
||||
public
|
||||
String toString() {
|
||||
return "ByteArrayWrapper " + java.util.Arrays.toString(this.data);
|
||||
}
|
||||
}
|
||||
File diff suppressed because it is too large
Load Diff
@ -1,769 +0,0 @@
|
||||
/*
|
||||
* Copyright 2014 dorkbox, llc
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package dorkbox.util.bytes;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.math.BigInteger;
|
||||
import java.nio.ByteBuffer;
|
||||
|
||||
/**
|
||||
* This is intel/amd/arm arch!
|
||||
* <p/>
|
||||
* arm is technically bi-endian
|
||||
* <p/>
|
||||
* Network byte order IS big endian, as is Java.
|
||||
*/
|
||||
@SuppressWarnings("ALL")
|
||||
public
|
||||
class LittleEndian {
|
||||
// the following are ALL in Little-Endian (byte[0] is LEAST significant)
|
||||
|
||||
/**
|
||||
* CHAR to and from bytes
|
||||
*/
|
||||
public static final
|
||||
class Char_ {
|
||||
@SuppressWarnings("fallthrough")
|
||||
public static
|
||||
char from(final byte[] bytes, final int offset, final int byteNum) {
|
||||
char number = 0;
|
||||
|
||||
switch (byteNum) {
|
||||
case 2:
|
||||
number |= (bytes[offset + 1] & 0xFF) << 8;
|
||||
case 1:
|
||||
number |= (bytes[offset + 0] & 0xFF) << 0;
|
||||
}
|
||||
|
||||
return number;
|
||||
}
|
||||
|
||||
@SuppressWarnings("fallthrough")
|
||||
public static
|
||||
char from(final byte[] bytes) {
|
||||
char number = 0;
|
||||
|
||||
switch (bytes.length) {
|
||||
default:
|
||||
case 2:
|
||||
number |= (bytes[1] & 0xFF) << 8;
|
||||
case 1:
|
||||
number |= (bytes[0] & 0xFF) << 0;
|
||||
}
|
||||
|
||||
return number;
|
||||
}
|
||||
|
||||
public static
|
||||
char from(final byte b0, final byte b1) {
|
||||
return (char) ((b1 & 0xFF) << 8 | (b0 & 0xFF) << 0);
|
||||
}
|
||||
|
||||
public static
|
||||
char from(final ByteBuffer buff) {
|
||||
return from(buff.get(), buff.get());
|
||||
}
|
||||
|
||||
public static
|
||||
char from(final InputStream inputStream) throws IOException {
|
||||
return from((byte) inputStream.read(), (byte) inputStream.read());
|
||||
}
|
||||
|
||||
public static
|
||||
byte[] toBytes(final char x) {
|
||||
return new byte[] {(byte) (x >> 0), (byte) (x >> 8)};
|
||||
}
|
||||
|
||||
public static
|
||||
void toBytes(final char x, final byte[] bytes, final int offset) {
|
||||
bytes[offset + 1] = (byte) (x >> 8);
|
||||
bytes[offset + 0] = (byte) (x >> 0);
|
||||
}
|
||||
|
||||
public static
|
||||
void toBytes(final char x, final byte[] bytes) {
|
||||
bytes[1] = (byte) (x >> 8);
|
||||
bytes[0] = (byte) (x >> 0);
|
||||
}
|
||||
|
||||
|
||||
private
|
||||
Char_() {
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* UNSIGNED CHAR to and from bytes
|
||||
*/
|
||||
public static final
|
||||
class UChar_ {
|
||||
@SuppressWarnings("fallthrough")
|
||||
public static
|
||||
UShort from(final byte[] bytes, final int offset, final int bytenum) {
|
||||
char number = 0;
|
||||
|
||||
switch (bytenum) {
|
||||
case 2:
|
||||
number |= (bytes[offset + 1] & 0xFF) << 8;
|
||||
case 1:
|
||||
number |= (bytes[offset + 0] & 0xFF) << 0;
|
||||
}
|
||||
|
||||
return UShort.valueOf(number);
|
||||
}
|
||||
|
||||
@SuppressWarnings("fallthrough")
|
||||
public static
|
||||
UShort from(final byte[] bytes) {
|
||||
short number = 0;
|
||||
|
||||
switch (bytes.length) {
|
||||
default:
|
||||
case 2:
|
||||
number |= (bytes[1] & 0xFF) << 8;
|
||||
case 1:
|
||||
number |= (bytes[0] & 0xFF) << 0;
|
||||
}
|
||||
|
||||
return UShort.valueOf(number);
|
||||
}
|
||||
|
||||
public static
|
||||
UShort from(final byte b0, final byte b1) {
|
||||
return UShort.valueOf((short) ((b1 & 0xFF) << 8) | (b0 & 0xFF) << 0);
|
||||
}
|
||||
|
||||
public static
|
||||
UShort from(final ByteBuffer buff) {
|
||||
return from(buff.get(), buff.get());
|
||||
}
|
||||
|
||||
public static
|
||||
UShort from(final InputStream inputStream) throws IOException {
|
||||
return from((byte) inputStream.read(), (byte) inputStream.read());
|
||||
}
|
||||
|
||||
public static
|
||||
byte[] toBytes(UShort x) {
|
||||
int num = x.intValue();
|
||||
|
||||
return new byte[] {(byte) (num & 0x00FF >> 0), (byte) ((num & 0xFF00) >> 8)};
|
||||
}
|
||||
|
||||
public static
|
||||
void toBytes(final UShort x, final byte[] bytes, final int offset) {
|
||||
int num = x.intValue();
|
||||
|
||||
bytes[offset + 1] = (byte) ((num & 0xFF00) >> 8);
|
||||
bytes[offset + 0] = (byte) (num & 0x00FF >> 0);
|
||||
}
|
||||
|
||||
public static
|
||||
void toBytes(final UShort x, final byte[] bytes) {
|
||||
int num = x.intValue();
|
||||
|
||||
bytes[1] = (byte) ((num & 0xFF00) >> 8);
|
||||
bytes[0] = (byte) (num & 0x00FF >> 0);
|
||||
}
|
||||
|
||||
private
|
||||
UChar_() {
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* SHORT to and from bytes
|
||||
*/
|
||||
public static final
|
||||
class Short_ {
|
||||
@SuppressWarnings("fallthrough")
|
||||
public static
|
||||
short from(final byte[] bytes, final int offset, final int bytenum) {
|
||||
short number = 0;
|
||||
|
||||
switch (bytenum) {
|
||||
case 2:
|
||||
number |= (bytes[offset + 1] & 0xFF) << 8;
|
||||
case 1:
|
||||
number |= (bytes[offset + 0] & 0xFF) << 0;
|
||||
}
|
||||
|
||||
return number;
|
||||
}
|
||||
|
||||
@SuppressWarnings("fallthrough")
|
||||
public static
|
||||
short from(final byte[] bytes) {
|
||||
short number = 0;
|
||||
|
||||
switch (bytes.length) {
|
||||
default:
|
||||
case 2:
|
||||
number |= (bytes[1] & 0xFF) << 8;
|
||||
case 1:
|
||||
number |= (bytes[0] & 0xFF) << 0;
|
||||
}
|
||||
|
||||
return number;
|
||||
}
|
||||
|
||||
public static
|
||||
short from(final byte b0, final byte b1) {
|
||||
return (short) ((b1 & 0xFF) << 8 | (b0 & 0xFF) << 0);
|
||||
}
|
||||
|
||||
public static
|
||||
short from(final ByteBuffer buff) {
|
||||
return from(buff.get(), buff.get());
|
||||
}
|
||||
|
||||
public static
|
||||
short from(final InputStream inputStream) throws IOException {
|
||||
return from((byte) inputStream.read(), (byte) inputStream.read());
|
||||
}
|
||||
|
||||
public static
|
||||
byte[] toBytes(final short x) {
|
||||
return new byte[] {(byte) (x >> 0), (byte) (x >> 8)};
|
||||
}
|
||||
|
||||
public static
|
||||
void toBytes(final short x, final byte[] bytes, final int offset) {
|
||||
bytes[offset + 1] = (byte) (x >> 8);
|
||||
bytes[offset + 0] = (byte) (x >> 0);
|
||||
}
|
||||
|
||||
public static
|
||||
void toBytes(final short x, final byte[] bytes) {
|
||||
bytes[1] = (byte) (x >> 8);
|
||||
bytes[0] = (byte) (x >> 0);
|
||||
}
|
||||
|
||||
private
|
||||
Short_() {
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* UNSIGNED SHORT to and from bytes
|
||||
*/
|
||||
public static final
|
||||
class UShort_ {
|
||||
@SuppressWarnings("fallthrough")
|
||||
public static
|
||||
UShort from(final byte[] bytes, final int offset, final int bytenum) {
|
||||
short number = 0;
|
||||
|
||||
switch (bytenum) {
|
||||
case 2:
|
||||
number |= (bytes[offset + 1] & 0xFF) << 8;
|
||||
case 1:
|
||||
number |= (bytes[offset + 0] & 0xFF) << 0;
|
||||
}
|
||||
|
||||
return UShort.valueOf(number);
|
||||
}
|
||||
|
||||
@SuppressWarnings("fallthrough")
|
||||
public static
|
||||
UShort from(final byte[] bytes) {
|
||||
short number = 0;
|
||||
|
||||
switch (bytes.length) {
|
||||
default:
|
||||
case 2:
|
||||
number |= (bytes[1] & 0xFF) << 8;
|
||||
case 1:
|
||||
number |= (bytes[0] & 0xFF) << 0;
|
||||
}
|
||||
|
||||
return UShort.valueOf(number);
|
||||
}
|
||||
|
||||
public static
|
||||
UShort from(final byte b0, final byte b1) {
|
||||
return UShort.valueOf((short) ((b1 & 0xFF) << 8 | (b0 & 0xFF) << 0));
|
||||
}
|
||||
|
||||
public static
|
||||
UShort from(final ByteBuffer buff) {
|
||||
return from(buff.get(), buff.get());
|
||||
}
|
||||
|
||||
public static
|
||||
UShort from(final InputStream inputStream) throws IOException {
|
||||
return from((byte) inputStream.read(), (byte) inputStream.read());
|
||||
}
|
||||
public static
|
||||
byte[] toBytes(final UShort x) {
|
||||
int num = x.intValue();
|
||||
|
||||
return new byte[] {(byte) (num & 0x00FF >> 0), (byte) ((num & 0xFF00) >> 8)};
|
||||
}
|
||||
|
||||
public static
|
||||
void toBytes(final UShort x, final byte[] bytes, final int offset) {
|
||||
int num = x.intValue();
|
||||
|
||||
bytes[offset + 1] = (byte) ((num & 0xFF00) >> 8);
|
||||
bytes[offset + 0] = (byte) (num & 0x00FF >> 0);
|
||||
}
|
||||
|
||||
public static
|
||||
void toBytes(final UShort x, final byte[] bytes) {
|
||||
int num = x.intValue();
|
||||
|
||||
bytes[1] = (byte) ((num & 0xFF00) >> 8);
|
||||
bytes[0] = (byte) (num & 0x00FF >> 0);
|
||||
}
|
||||
|
||||
private
|
||||
UShort_() {
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* INT to and from bytes
|
||||
*/
|
||||
public static final
|
||||
class Int_ {
|
||||
@SuppressWarnings("fallthrough")
|
||||
public static
|
||||
int from(final byte[] bytes, final int offset, final int bytenum) {
|
||||
int number = 0;
|
||||
|
||||
switch (bytenum) {
|
||||
case 4:
|
||||
number |= (bytes[offset + 3] & 0xFF) << 24;
|
||||
case 3:
|
||||
number |= (bytes[offset + 2] & 0xFF) << 16;
|
||||
case 2:
|
||||
number |= (bytes[offset + 1] & 0xFF) << 8;
|
||||
case 1:
|
||||
number |= (bytes[offset + 0] & 0xFF) << 0;
|
||||
}
|
||||
|
||||
return number;
|
||||
}
|
||||
|
||||
@SuppressWarnings("fallthrough")
|
||||
public static
|
||||
int from(final byte[] bytes) {
|
||||
int number = 0;
|
||||
|
||||
switch (bytes.length) {
|
||||
default:
|
||||
case 4:
|
||||
number |= (bytes[3] & 0xFF) << 24;
|
||||
case 3:
|
||||
number |= (bytes[2] & 0xFF) << 16;
|
||||
case 2:
|
||||
number |= (bytes[1] & 0xFF) << 8;
|
||||
case 1:
|
||||
number |= (bytes[0] & 0xFF) << 0;
|
||||
}
|
||||
|
||||
return number;
|
||||
}
|
||||
|
||||
public static
|
||||
int from(final byte b0, final byte b1, final byte b2, final byte b3) {
|
||||
return (b3 & 0xFF) << 24 |
|
||||
(b2 & 0xFF) << 16 |
|
||||
(b1 & 0xFF) << 8 |
|
||||
(b0 & 0xFF) << 0;
|
||||
}
|
||||
|
||||
public static
|
||||
int from(final ByteBuffer buff) {
|
||||
return from(buff.get(), buff.get(), buff.get(), buff.get());
|
||||
}
|
||||
|
||||
public static
|
||||
int from(final InputStream inputStream) throws IOException {
|
||||
return from((byte) inputStream.read(), (byte) inputStream.read(), (byte) inputStream.read(), (byte) inputStream.read());
|
||||
}
|
||||
|
||||
public static
|
||||
byte[] toBytes(final int x) {
|
||||
return new byte[] {(byte) (x >> 0), (byte) (x >> 8), (byte) (x >> 16), (byte) (x >> 24)};
|
||||
}
|
||||
|
||||
public static
|
||||
void toBytes(final int x, final byte[] bytes, final int offset) {
|
||||
bytes[offset + 3] = (byte) (x >> 24);
|
||||
bytes[offset + 2] = (byte) (x >> 16);
|
||||
bytes[offset + 1] = (byte) (x >> 8);
|
||||
bytes[offset + 0] = (byte) (x >> 0);
|
||||
}
|
||||
|
||||
public static
|
||||
void toBytes(final int x, final byte[] bytes) {
|
||||
bytes[3] = (byte) (x >> 24);
|
||||
bytes[2] = (byte) (x >> 16);
|
||||
bytes[1] = (byte) (x >> 8);
|
||||
bytes[0] = (byte) (x >> 0);
|
||||
}
|
||||
|
||||
private
|
||||
Int_() {
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* UNSIGNED INT to and from bytes
|
||||
*/
|
||||
public static final
|
||||
class UInt_ {
|
||||
@SuppressWarnings("fallthrough")
|
||||
public static
|
||||
UInteger from(final byte[] bytes, final int offset, final int bytenum) {
|
||||
int number = 0;
|
||||
|
||||
switch (bytenum) {
|
||||
case 4:
|
||||
number |= (bytes[offset + 3] & 0xFF) << 24;
|
||||
case 3:
|
||||
number |= (bytes[offset + 2] & 0xFF) << 16;
|
||||
case 2:
|
||||
number |= (bytes[offset + 1] & 0xFF) << 8;
|
||||
case 1:
|
||||
number |= (bytes[offset + 0] & 0xFF) << 0;
|
||||
}
|
||||
|
||||
return UInteger.valueOf(number);
|
||||
}
|
||||
|
||||
@SuppressWarnings("fallthrough")
|
||||
public static
|
||||
UInteger from(final byte[] bytes) {
|
||||
int number = 0;
|
||||
|
||||
switch (bytes.length) {
|
||||
default:
|
||||
case 4:
|
||||
number |= (bytes[3] & 0xFF) << 24;
|
||||
case 3:
|
||||
number |= (bytes[2] & 0xFF) << 16;
|
||||
case 2:
|
||||
number |= (bytes[1] & 0xFF) << 8;
|
||||
case 1:
|
||||
number |= (bytes[0] & 0xFF) << 0;
|
||||
}
|
||||
|
||||
return UInteger.valueOf(number);
|
||||
}
|
||||
|
||||
public static
|
||||
UInteger from(final byte b0, final byte b1, final byte b2, final byte b3) {
|
||||
int number = (b3 & 0xFF) << 24 |
|
||||
(b2 & 0xFF) << 16 |
|
||||
(b1 & 0xFF) << 8 |
|
||||
(b0 & 0xFF) << 0;
|
||||
|
||||
return UInteger.valueOf(number);
|
||||
}
|
||||
|
||||
public static
|
||||
UInteger from(final ByteBuffer buff) {
|
||||
return from(buff.get(), buff.get(), buff.get(), buff.get());
|
||||
}
|
||||
|
||||
public static
|
||||
UInteger from(final InputStream inputStream) throws IOException {
|
||||
return from((byte) inputStream.read(), (byte) inputStream.read(), (byte) inputStream.read(), (byte) inputStream.read());
|
||||
}
|
||||
|
||||
public static
|
||||
byte[] toBytes(final UInteger x) {
|
||||
long num = x.longValue();
|
||||
|
||||
return new byte[] {(byte) (num & 0x000000FFL >> 0), (byte) ((num & 0x0000FF00L) >> 8), (byte) ((num & 0x00FF0000L) >> 16),
|
||||
(byte) ((num & 0xFF000000L) >> 24)};
|
||||
}
|
||||
|
||||
public static
|
||||
void toBytes(final UInteger x, final byte[] bytes, final int offset) {
|
||||
long num = x.longValue();
|
||||
|
||||
bytes[offset + 3] = (byte) ((num & 0xFF000000L) >> 24);
|
||||
bytes[offset + 2] = (byte) ((num & 0x00FF0000L) >> 16);
|
||||
bytes[offset + 1] = (byte) ((num & 0x0000FF00L) >> 8);
|
||||
bytes[offset + 0] = (byte) (num & 0x000000FFL >> 0);
|
||||
}
|
||||
|
||||
|
||||
public static
|
||||
void toBytes(final UInteger x, final byte[] bytes) {
|
||||
long num = x.longValue();
|
||||
|
||||
bytes[3] = (byte) ((num & 0xFF000000L) >> 24);
|
||||
bytes[2] = (byte) ((num & 0x00FF0000L) >> 16);
|
||||
bytes[1] = (byte) ((num & 0x0000FF00L) >> 8);
|
||||
bytes[0] = (byte) (num & 0x000000FFL >> 0);
|
||||
}
|
||||
|
||||
private
|
||||
UInt_() {
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* LONG to and from bytes
|
||||
*/
|
||||
public static final
|
||||
class Long_ {
|
||||
@SuppressWarnings("fallthrough")
|
||||
public static
|
||||
long from(final byte[] bytes, final int offset, final int bytenum) {
|
||||
long number = 0;
|
||||
|
||||
switch (bytenum) {
|
||||
case 8:
|
||||
number |= (long) (bytes[offset + 7] & 0xFF) << 56;
|
||||
case 7:
|
||||
number |= (long) (bytes[offset + 6] & 0xFF) << 48;
|
||||
case 6:
|
||||
number |= (long) (bytes[offset + 5] & 0xFF) << 40;
|
||||
case 5:
|
||||
number |= (long) (bytes[offset + 4] & 0xFF) << 32;
|
||||
case 4:
|
||||
number |= (long) (bytes[offset + 3] & 0xFF) << 24;
|
||||
case 3:
|
||||
number |= (long) (bytes[offset + 2] & 0xFF) << 16;
|
||||
case 2:
|
||||
number |= (long) (bytes[offset + 1] & 0xFF) << 8;
|
||||
case 1:
|
||||
number |= (long) (bytes[offset + 0] & 0xFF) << 0;
|
||||
}
|
||||
|
||||
return number;
|
||||
}
|
||||
|
||||
@SuppressWarnings("fallthrough")
|
||||
public static
|
||||
long from(final byte[] bytes) {
|
||||
long number = 0L;
|
||||
|
||||
switch (bytes.length) {
|
||||
default:
|
||||
case 8:
|
||||
number |= (long) (bytes[7] & 0xFF) << 56;
|
||||
case 7:
|
||||
number |= (long) (bytes[6] & 0xFF) << 48;
|
||||
case 6:
|
||||
number |= (long) (bytes[5] & 0xFF) << 40;
|
||||
case 5:
|
||||
number |= (long) (bytes[4] & 0xFF) << 32;
|
||||
case 4:
|
||||
number |= (long) (bytes[3] & 0xFF) << 24;
|
||||
case 3:
|
||||
number |= (long) (bytes[2] & 0xFF) << 16;
|
||||
case 2:
|
||||
number |= (long) (bytes[1] & 0xFF) << 8;
|
||||
case 1:
|
||||
number |= (long) (bytes[0] & 0xFF) << 0;
|
||||
}
|
||||
|
||||
return number;
|
||||
}
|
||||
|
||||
public static
|
||||
long from(final byte b0, final byte b1, final byte b2, final byte b3, final byte b4, final byte b5, final byte b6, final byte b7) {
|
||||
return (long) (b7 & 0xFF) << 56 |
|
||||
(long) (b6 & 0xFF) << 48 |
|
||||
(long) (b5 & 0xFF) << 40 |
|
||||
(long) (b4 & 0xFF) << 32 |
|
||||
(long) (b3 & 0xFF) << 24 |
|
||||
(long) (b2 & 0xFF) << 16 |
|
||||
(long) (b1 & 0xFF) << 8 |
|
||||
(long) (b0 & 0xFF) << 0;
|
||||
}
|
||||
|
||||
public static
|
||||
long from(final ByteBuffer buff) {
|
||||
return from(buff.get(), buff.get(), buff.get(), buff.get(), buff.get(), buff.get(), buff.get(), buff.get());
|
||||
}
|
||||
|
||||
public static
|
||||
long from(final InputStream inputStream) throws IOException {
|
||||
return from((byte) inputStream.read(),
|
||||
(byte) inputStream.read(),
|
||||
(byte) inputStream.read(),
|
||||
(byte) inputStream.read(),
|
||||
(byte) inputStream.read(),
|
||||
(byte) inputStream.read(),
|
||||
(byte) inputStream.read(),
|
||||
(byte) inputStream.read());
|
||||
}
|
||||
|
||||
public static
|
||||
byte[] toBytes(final long x) {
|
||||
return new byte[] {(byte) (x >> 0), (byte) (x >> 8), (byte) (x >> 16), (byte) (x >> 24), (byte) (x >> 32), (byte) (x >> 40),
|
||||
(byte) (x >> 48), (byte) (x >> 56),};
|
||||
}
|
||||
|
||||
public static
|
||||
void toBytes(final long x, final byte[] bytes, final int offset) {
|
||||
bytes[offset + 7] = (byte) (x >> 56);
|
||||
bytes[offset + 6] = (byte) (x >> 48);
|
||||
bytes[offset + 5] = (byte) (x >> 40);
|
||||
bytes[offset + 4] = (byte) (x >> 32);
|
||||
bytes[offset + 3] = (byte) (x >> 24);
|
||||
bytes[offset + 2] = (byte) (x >> 16);
|
||||
bytes[offset + 1] = (byte) (x >> 8);
|
||||
bytes[offset + 0] = (byte) (x >> 0);
|
||||
}
|
||||
|
||||
public static
|
||||
void toBytes(final long x, final byte[] bytes) {
|
||||
bytes[7] = (byte) (x >> 56);
|
||||
bytes[6] = (byte) (x >> 48);
|
||||
bytes[5] = (byte) (x >> 40);
|
||||
bytes[4] = (byte) (x >> 32);
|
||||
bytes[3] = (byte) (x >> 24);
|
||||
bytes[2] = (byte) (x >> 16);
|
||||
bytes[1] = (byte) (x >> 8);
|
||||
bytes[0] = (byte) (x >> 0);
|
||||
}
|
||||
|
||||
private
|
||||
Long_() {
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* UNSIGNED LONG to and from bytes
|
||||
*/
|
||||
public static final
|
||||
class ULong_ {
|
||||
@SuppressWarnings("fallthrough")
|
||||
public static
|
||||
ULong from(final byte[] bytes, final int offset, final int bytenum) {
|
||||
long number = 0;
|
||||
|
||||
switch (bytenum) {
|
||||
case 8:
|
||||
number |= (long) (bytes[offset + 7] & 0xFF) << 56;
|
||||
case 7:
|
||||
number |= (long) (bytes[offset + 6] & 0xFF) << 48;
|
||||
case 6:
|
||||
number |= (long) (bytes[offset + 5] & 0xFF) << 40;
|
||||
case 5:
|
||||
number |= (long) (bytes[offset + 4] & 0xFF) << 32;
|
||||
case 4:
|
||||
number |= (long) (bytes[offset + 3] & 0xFF) << 24;
|
||||
case 3:
|
||||
number |= (long) (bytes[offset + 2] & 0xFF) << 16;
|
||||
case 2:
|
||||
number |= (long) (bytes[offset + 1] & 0xFF) << 8;
|
||||
case 1:
|
||||
number |= (long) (bytes[offset + 0] & 0xFF) << 0;
|
||||
}
|
||||
|
||||
return ULong.valueOf(number);
|
||||
}
|
||||
|
||||
public static
|
||||
ULong from(final byte[] bytes) {
|
||||
BigInteger ulong = new BigInteger(1, bytes);
|
||||
return ULong.valueOf(ulong);
|
||||
}
|
||||
|
||||
public static
|
||||
ULong from(final byte b0, final byte b1, final byte b2, final byte b3, final byte b4, final byte b5, final byte b6, final byte b7) {
|
||||
byte[] bytes = new byte[] {b7, b6, b5, b4, b3, b2, b1, b0};
|
||||
BigInteger ulong = new BigInteger(1, bytes);
|
||||
return ULong.valueOf(ulong);
|
||||
}
|
||||
|
||||
public static
|
||||
ULong from(final ByteBuffer buff) {
|
||||
return from(buff.get(), buff.get(), buff.get(), buff.get(), buff.get(), buff.get(), buff.get(), buff.get());
|
||||
}
|
||||
|
||||
public static
|
||||
ULong from(final InputStream inputStream) throws IOException {
|
||||
return from((byte) inputStream.read(),
|
||||
(byte) inputStream.read(),
|
||||
(byte) inputStream.read(),
|
||||
(byte) inputStream.read(),
|
||||
(byte) inputStream.read(),
|
||||
(byte) inputStream.read(),
|
||||
(byte) inputStream.read(),
|
||||
(byte) inputStream.read());
|
||||
}
|
||||
|
||||
public static
|
||||
byte[] toBytes(final ULong x) {
|
||||
byte[] bytes = new byte[8];
|
||||
int offset = 0;
|
||||
|
||||
byte temp_byte[] = x.toBigInteger()
|
||||
.toByteArray();
|
||||
int array_count = temp_byte.length - 1;
|
||||
|
||||
for (int i = 7; i >= 0; i--) {
|
||||
if (array_count >= 0) {
|
||||
bytes[offset] = temp_byte[array_count];
|
||||
}
|
||||
else {
|
||||
bytes[offset] = (byte) 00;
|
||||
}
|
||||
|
||||
offset++;
|
||||
array_count--;
|
||||
}
|
||||
|
||||
return bytes;
|
||||
}
|
||||
|
||||
public static
|
||||
void toBytes(final ULong x, final byte[] bytes, final int offset) {
|
||||
final byte[] bytes1 = toBytes(x);
|
||||
int length = bytes.length;
|
||||
int pos = 8;
|
||||
|
||||
while (length > 0) {
|
||||
bytes[pos--] = bytes1[offset + length--];
|
||||
}
|
||||
}
|
||||
|
||||
public static
|
||||
void toBytes(final ULong x, final byte[] bytes) {
|
||||
final byte[] bytes1 = toBytes(x);
|
||||
int length = bytes.length;
|
||||
int pos = 8;
|
||||
|
||||
while (length > 0) {
|
||||
bytes[pos--] = bytes1[length--];
|
||||
}
|
||||
}
|
||||
|
||||
private
|
||||
ULong_() {
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@ -1,477 +0,0 @@
|
||||
/*
|
||||
* Copyright 2014 dorkbox, llc
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*
|
||||
* Copyright (c) 2008, Nathan Sweet
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following
|
||||
* conditions are met:
|
||||
*
|
||||
* - Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
|
||||
* - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following
|
||||
* disclaimer in the documentation and/or other materials provided with the distribution.
|
||||
* - Neither the name of Esoteric Software nor the names of its contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
|
||||
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
|
||||
* SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
||||
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
package dorkbox.util.bytes;
|
||||
|
||||
@SuppressWarnings({"Duplicates", "NumericCastThatLosesPrecision", "UnusedAssignment", "IntegerMultiplicationImplicitCastToLong", "unused"})
|
||||
public
|
||||
class OptimizeUtilsByteArray {
|
||||
|
||||
/**
|
||||
* Returns the number of bytes that would be written with {@link #writeInt(byte[], int, boolean)}.
|
||||
*
|
||||
* @param optimizePositive
|
||||
* true if you want to optimize the number of bytes needed to write the length value
|
||||
*/
|
||||
public static
|
||||
int intLength(int value, boolean optimizePositive) {
|
||||
return OptimizeUtilsByteBuf.intLength(value, optimizePositive);
|
||||
}
|
||||
|
||||
// int
|
||||
|
||||
/**
|
||||
* look at buffer, and see if we can read the length of the int off of it. (from the reader index)
|
||||
*
|
||||
* @return 0 if we could not read anything, >0 for the number of bytes for the int on the buffer
|
||||
*/
|
||||
@SuppressWarnings("SimplifiableIfStatement")
|
||||
public static
|
||||
boolean canReadInt(byte[] buffer) {
|
||||
int position = 0;
|
||||
return canReadInt(buffer, position);
|
||||
}
|
||||
|
||||
/**
|
||||
* FROM KRYO
|
||||
* <p>
|
||||
* look at buffer, and see if we can read the length of the int off of it. (from the reader index)
|
||||
*
|
||||
* @param position where in the buffer to start reading
|
||||
* @return 0 if we could not read anything, >0 for the number of bytes for the int on the buffer
|
||||
*/
|
||||
@SuppressWarnings("SimplifiableIfStatement")
|
||||
public static
|
||||
boolean canReadInt(final byte[] buffer, int position) {
|
||||
int length = buffer.length;
|
||||
|
||||
if (length >= 5) {
|
||||
return true;
|
||||
}
|
||||
if ((buffer[position++] & 0x80) == 0) {
|
||||
return true;
|
||||
}
|
||||
if (position == length) {
|
||||
return false;
|
||||
}
|
||||
if ((buffer[position++] & 0x80) == 0) {
|
||||
return true;
|
||||
}
|
||||
if (position == length) {
|
||||
return false;
|
||||
}
|
||||
if ((buffer[position++] & 0x80) == 0) {
|
||||
return true;
|
||||
}
|
||||
if (position == length) {
|
||||
return false;
|
||||
}
|
||||
if ((buffer[position++] & 0x80) == 0) {
|
||||
return true;
|
||||
}
|
||||
return position != length;
|
||||
}
|
||||
|
||||
/**
|
||||
* Reads an int from the buffer that was optimized at position 0
|
||||
*
|
||||
* @param optimizePositive
|
||||
* If true, small positive numbers will be more efficient (1 byte) and small negative numbers will be inefficient (5
|
||||
* bytes). This ultimately means that it will use fewer bytes for positive numbers.
|
||||
*/
|
||||
public static
|
||||
int readInt(byte[] buffer, boolean optimizePositive) {
|
||||
int position = 0;
|
||||
return readInt(buffer, optimizePositive, position);
|
||||
}
|
||||
|
||||
/**
|
||||
* FROM KRYO
|
||||
* <p>
|
||||
* Reads an int from the buffer that was optimized.
|
||||
*
|
||||
* @param position where in the buffer to start reading
|
||||
* @param optimizePositive
|
||||
* If true, small positive numbers will be more efficient (1 byte) and small negative numbers will be inefficient (5
|
||||
* bytes). This ultimately means that it will use fewer bytes for positive numbers.
|
||||
*/
|
||||
public static
|
||||
int readInt(final byte[] buffer, final boolean optimizePositive, int position) {
|
||||
int b = buffer[position++];
|
||||
int result = b & 0x7F;
|
||||
if ((b & 0x80) != 0) {
|
||||
b = buffer[position++];
|
||||
result |= (b & 0x7F) << 7;
|
||||
if ((b & 0x80) != 0) {
|
||||
b = buffer[position++];
|
||||
result |= (b & 0x7F) << 14;
|
||||
if ((b & 0x80) != 0) {
|
||||
b = buffer[position++];
|
||||
result |= (b & 0x7F) << 21;
|
||||
if ((b & 0x80) != 0) {
|
||||
b = buffer[position++];
|
||||
result |= (b & 0x7F) << 28;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
return optimizePositive ? result : result >>> 1 ^ -(result & 1);
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes the specified int to the buffer using 1 to 5 bytes, depending on the size of the number.
|
||||
*
|
||||
* @param optimizePositive
|
||||
* If true, small positive numbers will be more efficient (1 byte) and small negative numbers will be inefficient (5
|
||||
* bytes). This ultimately means that it will use fewer bytes for positive numbers.
|
||||
*
|
||||
* @return the number of bytes written.
|
||||
*/
|
||||
public static
|
||||
int writeInt(byte[] buffer, int value, boolean optimizePositive) {
|
||||
int position = 0;
|
||||
return writeInt(buffer, value, optimizePositive, position);
|
||||
}
|
||||
|
||||
/**
|
||||
* FROM KRYO
|
||||
* <p>
|
||||
* Writes the specified int to the buffer using 1 to 5 bytes, depending on the size of the number.
|
||||
*
|
||||
* @param position where in the buffer to start writing
|
||||
* @param optimizePositive
|
||||
* If true, small positive numbers will be more efficient (1 byte) and small negative numbers will be inefficient (5
|
||||
* bytes). This ultimately means that it will use fewer bytes for positive numbers.
|
||||
*
|
||||
* @return the number of bytes written.
|
||||
*/
|
||||
public static
|
||||
int writeInt(final byte[] buffer, int value, final boolean optimizePositive, int position) {
|
||||
if (!optimizePositive) {
|
||||
value = value << 1 ^ value >> 31;
|
||||
}
|
||||
if (value >>> 7 == 0) {
|
||||
buffer[position++] = (byte) value;
|
||||
return 1;
|
||||
}
|
||||
if (value >>> 14 == 0) {
|
||||
buffer[position++] = (byte) (value & 0x7F | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 7);
|
||||
return 2;
|
||||
}
|
||||
if (value >>> 21 == 0) {
|
||||
buffer[position++] = (byte) (value & 0x7F | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 7 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 14);
|
||||
return 3;
|
||||
}
|
||||
if (value >>> 28 == 0) {
|
||||
buffer[position++] = (byte) (value & 0x7F | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 7 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 14 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 21);
|
||||
return 4;
|
||||
}
|
||||
buffer[position++] = (byte) (value & 0x7F | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 7 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 14 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 21 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 28);
|
||||
return 5;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns 1-9 bytes that would be written with {@link #writeLong(byte[], long, boolean)}.
|
||||
*
|
||||
* @param optimizePositive
|
||||
* If true, small positive numbers will be more efficient (1 byte) and small negative numbers will be inefficient (9
|
||||
* bytes). This ultimately means that it will use fewer bytes for positive numbers.
|
||||
*/
|
||||
public static
|
||||
int longLength(long value, boolean optimizePositive) {
|
||||
return OptimizeUtilsByteBuf.longLength(value, optimizePositive);
|
||||
}
|
||||
|
||||
|
||||
// long
|
||||
|
||||
/**
|
||||
* Reads a 1-9 byte long.
|
||||
*
|
||||
* @param optimizePositive
|
||||
* If true, small positive numbers will be more efficient (1 byte) and small negative numbers will be inefficient (9
|
||||
* bytes). This ultimately means that it will use fewer bytes for positive numbers.
|
||||
*/
|
||||
public static
|
||||
long readLong(byte[] buffer, boolean optimizePositive) {
|
||||
int position = 0;
|
||||
return readLong(buffer, optimizePositive, position);
|
||||
}
|
||||
|
||||
/**
|
||||
* FROM KRYO
|
||||
* <p>
|
||||
* Reads a 1-9 byte long.
|
||||
*
|
||||
* @param position where in the buffer to start reading
|
||||
* @param optimizePositive
|
||||
* If true, small positive numbers will be more efficient (1 byte) and small negative numbers will be inefficient (9
|
||||
* bytes). This ultimately means that it will use fewer bytes for positive numbers.
|
||||
*/
|
||||
public static
|
||||
long readLong(final byte[] buffer, final boolean optimizePositive, int position) {
|
||||
int b = buffer[position++];
|
||||
long result = b & 0x7F;
|
||||
if ((b & 0x80) != 0) {
|
||||
b = buffer[position++];
|
||||
result |= (b & 0x7F) << 7;
|
||||
if ((b & 0x80) != 0) {
|
||||
b = buffer[position++];
|
||||
result |= (b & 0x7F) << 14;
|
||||
if ((b & 0x80) != 0) {
|
||||
b = buffer[position++];
|
||||
result |= (b & 0x7F) << 21;
|
||||
if ((b & 0x80) != 0) {
|
||||
b = buffer[position++];
|
||||
result |= (long) (b & 0x7F) << 28;
|
||||
if ((b & 0x80) != 0) {
|
||||
b = buffer[position++];
|
||||
result |= (long) (b & 0x7F) << 35;
|
||||
if ((b & 0x80) != 0) {
|
||||
b = buffer[position++];
|
||||
result |= (long) (b & 0x7F) << 42;
|
||||
if ((b & 0x80) != 0) {
|
||||
b = buffer[position++];
|
||||
result |= (long) (b & 0x7F) << 49;
|
||||
if ((b & 0x80) != 0) {
|
||||
b = buffer[position++];
|
||||
result |= (long) b << 56;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
if (!optimizePositive) {
|
||||
result = result >>> 1 ^ -(result & 1);
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes a 1-9 byte long.
|
||||
*
|
||||
* @param optimizePositive
|
||||
* If true, small positive numbers will be more efficient (1 byte) and small negative numbers will be inefficient (9
|
||||
* bytes).
|
||||
*
|
||||
* @return the number of bytes written.
|
||||
*/
|
||||
public static
|
||||
int writeLong(byte[] buffer, long value, boolean optimizePositive) {
|
||||
int position = 0;
|
||||
return writeLong(buffer, value, optimizePositive, position);
|
||||
}
|
||||
|
||||
/**
|
||||
* FROM KRYO
|
||||
* <p>
|
||||
* Writes a 1-9 byte long.
|
||||
*
|
||||
* @param position where in the buffer to start writing
|
||||
* @param optimizePositive
|
||||
* If true, small positive numbers will be more efficient (1 byte) and small negative numbers will be inefficient (9
|
||||
* bytes).
|
||||
*
|
||||
* @return the number of bytes written.
|
||||
*/
|
||||
public static
|
||||
int writeLong(final byte[] buffer, long value, final boolean optimizePositive, int position) {
|
||||
if (!optimizePositive) {
|
||||
value = value << 1 ^ value >> 63;
|
||||
}
|
||||
if (value >>> 7 == 0) {
|
||||
buffer[position++] = (byte) value;
|
||||
return 1;
|
||||
}
|
||||
if (value >>> 14 == 0) {
|
||||
buffer[position++] = (byte) (value & 0x7F | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 7);
|
||||
return 2;
|
||||
}
|
||||
if (value >>> 21 == 0) {
|
||||
buffer[position++] = (byte) (value & 0x7F | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 7 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 14);
|
||||
return 3;
|
||||
}
|
||||
if (value >>> 28 == 0) {
|
||||
buffer[position++] = (byte) (value & 0x7F | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 7 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 14 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 21);
|
||||
return 4;
|
||||
}
|
||||
if (value >>> 35 == 0) {
|
||||
buffer[position++] = (byte) (value & 0x7F | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 7 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 14 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 21 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 28);
|
||||
return 5;
|
||||
}
|
||||
if (value >>> 42 == 0) {
|
||||
buffer[position++] = (byte) (value & 0x7F | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 7 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 14 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 21 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 28 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 35);
|
||||
return 6;
|
||||
}
|
||||
if (value >>> 49 == 0) {
|
||||
buffer[position++] = (byte) (value & 0x7F | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 7 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 14 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 21 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 28 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 35 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 42);
|
||||
return 7;
|
||||
}
|
||||
if (value >>> 56 == 0) {
|
||||
buffer[position++] = (byte) (value & 0x7F | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 7 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 14 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 21 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 28 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 35 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 42 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 49);
|
||||
return 8;
|
||||
}
|
||||
buffer[position++] = (byte) (value & 0x7F | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 7 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 14 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 21 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 28 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 35 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 42 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 49 | 0x80);
|
||||
buffer[position++] = (byte) (value >>> 56);
|
||||
return 9;
|
||||
}
|
||||
|
||||
/**
|
||||
* look at buffer, and see if we can read the length of the long off of it (from the reader index).
|
||||
*
|
||||
* @return 0 if we could not read anything, >0 for the number of bytes for the long on the buffer
|
||||
*/
|
||||
public static
|
||||
boolean canReadLong(byte[] buffer) {
|
||||
int position = 0;
|
||||
return canReadLong(buffer, position);
|
||||
}
|
||||
|
||||
/**
|
||||
* FROM KRYO
|
||||
* <p>
|
||||
* look at buffer, and see if we can read the length of the long off of it (from the reader index).
|
||||
*
|
||||
* @param position where in the buffer to start reading
|
||||
* @return 0 if we could not read anything, >0 for the number of bytes for the long on the buffer
|
||||
*/
|
||||
private static
|
||||
boolean canReadLong(final byte[] buffer, int position) {
|
||||
int limit = buffer.length;
|
||||
|
||||
if (limit >= 9) {
|
||||
return true;
|
||||
}
|
||||
if ((buffer[position++] & 0x80) == 0) {
|
||||
return true;
|
||||
}
|
||||
if (position == limit) {
|
||||
return false;
|
||||
}
|
||||
if ((buffer[position++] & 0x80) == 0) {
|
||||
return true;
|
||||
}
|
||||
if (position == limit) {
|
||||
return false;
|
||||
}
|
||||
if ((buffer[position++] & 0x80) == 0) {
|
||||
return true;
|
||||
}
|
||||
if (position == limit) {
|
||||
return false;
|
||||
}
|
||||
if ((buffer[position++] & 0x80) == 0) {
|
||||
return true;
|
||||
}
|
||||
if (position == limit) {
|
||||
return false;
|
||||
}
|
||||
if ((buffer[position++] & 0x80) == 0) {
|
||||
return true;
|
||||
}
|
||||
if (position == limit) {
|
||||
return false;
|
||||
}
|
||||
if ((buffer[position++] & 0x80) == 0) {
|
||||
return true;
|
||||
}
|
||||
if (position == limit) {
|
||||
return false;
|
||||
}
|
||||
if ((buffer[position++] & 0x80) == 0) {
|
||||
return true;
|
||||
}
|
||||
if (position == limit) {
|
||||
return false;
|
||||
}
|
||||
//noinspection SimplifiableIfStatement
|
||||
if ((buffer[position++] & 0x80) == 0) {
|
||||
return true;
|
||||
}
|
||||
|
||||
return position != limit;
|
||||
}
|
||||
|
||||
private
|
||||
OptimizeUtilsByteArray() {
|
||||
}
|
||||
}
|
||||
@ -1,381 +0,0 @@
|
||||
/*
|
||||
* Copyright 2014 dorkbox, llc
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*
|
||||
* Copyright (c) 2008, Nathan Sweet
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following
|
||||
* conditions are met:
|
||||
*
|
||||
* - Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
|
||||
* - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following
|
||||
* disclaimer in the documentation and/or other materials provided with the distribution.
|
||||
* - Neither the name of Esoteric Software nor the names of its contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
|
||||
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
|
||||
* SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
||||
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
package dorkbox.util.bytes;
|
||||
|
||||
import io.netty.buffer.ByteBuf;
|
||||
|
||||
@SuppressWarnings({"Duplicates", "NumericCastThatLosesPrecision", "UnusedAssignment", "IntegerMultiplicationImplicitCastToLong", "unused"})
|
||||
public
|
||||
class OptimizeUtilsByteBuf {
|
||||
|
||||
// int
|
||||
|
||||
/**
|
||||
* FROM KRYO
|
||||
* <p>
|
||||
* Returns the number of bytes that would be written with {@link #writeInt(ByteBuf, int, boolean)}.
|
||||
*
|
||||
* @param optimizePositive
|
||||
* If true, small positive numbers will be more efficient (1 byte) and small negative numbers will be inefficient (5
|
||||
* bytes). This ultimately means that it will use fewer bytes for positive numbers.
|
||||
*/
|
||||
public static
|
||||
int intLength(int value, boolean optimizePositive) {
|
||||
if (!optimizePositive) {
|
||||
value = value << 1 ^ value >> 31;
|
||||
}
|
||||
if (value >>> 7 == 0) {
|
||||
return 1;
|
||||
}
|
||||
if (value >>> 14 == 0) {
|
||||
return 2;
|
||||
}
|
||||
if (value >>> 21 == 0) {
|
||||
return 3;
|
||||
}
|
||||
if (value >>> 28 == 0) {
|
||||
return 4;
|
||||
}
|
||||
return 5;
|
||||
}
|
||||
|
||||
/**
|
||||
* FROM KRYO
|
||||
* <p>
|
||||
* look at buffer, and see if we can read the length of the int off of it. (from the reader index)
|
||||
*
|
||||
* @return 0 if we could not read anything, >0 for the number of bytes for the int on the buffer
|
||||
*/
|
||||
public static
|
||||
int canReadInt(ByteBuf buffer) {
|
||||
int startIndex = buffer.readerIndex();
|
||||
try {
|
||||
int remaining = buffer.readableBytes();
|
||||
for (int offset = 0, count = 1; offset < 32 && remaining > 0; offset += 7, remaining--, count++) {
|
||||
int b = buffer.readByte();
|
||||
if ((b & 0x80) == 0) {
|
||||
return count;
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
} finally {
|
||||
buffer.readerIndex(startIndex);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* FROM KRYO
|
||||
* <p>
|
||||
* Reads an int from the buffer that was optimized.
|
||||
*
|
||||
* @param optimizePositive
|
||||
* If true, small positive numbers will be more efficient (1 byte) and small negative numbers will be inefficient (5
|
||||
* bytes). This ultimately means that it will use fewer bytes for positive numbers.
|
||||
*
|
||||
* @return the number of bytes written.
|
||||
*/
|
||||
public static
|
||||
int readInt(ByteBuf buffer, boolean optimizePositive) {
|
||||
int b = buffer.readByte();
|
||||
int result = b & 0x7F;
|
||||
if ((b & 0x80) != 0) {
|
||||
b = buffer.readByte();
|
||||
result |= (b & 0x7F) << 7;
|
||||
if ((b & 0x80) != 0) {
|
||||
b = buffer.readByte();
|
||||
result |= (b & 0x7F) << 14;
|
||||
if ((b & 0x80) != 0) {
|
||||
b = buffer.readByte();
|
||||
result |= (b & 0x7F) << 21;
|
||||
if ((b & 0x80) != 0) {
|
||||
b = buffer.readByte();
|
||||
result |= (b & 0x7F) << 28;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
return optimizePositive ? result : result >>> 1 ^ -(result & 1);
|
||||
}
|
||||
|
||||
/**
|
||||
* FROM KRYO
|
||||
* <p>
|
||||
* Writes the specified int to the buffer using 1 to 5 bytes, depending on the size of the number.
|
||||
*
|
||||
* @param optimizePositive
|
||||
* If true, small positive numbers will be more efficient (1 byte) and small negative numbers will be inefficient (5
|
||||
* bytes). This ultimately means that it will use fewer bytes for positive numbers.
|
||||
*
|
||||
* @return the number of bytes written.
|
||||
*/
|
||||
public static
|
||||
int writeInt(ByteBuf buffer, int value, boolean optimizePositive) {
|
||||
if (!optimizePositive) {
|
||||
value = value << 1 ^ value >> 31;
|
||||
}
|
||||
if (value >>> 7 == 0) {
|
||||
buffer.writeByte((byte) value);
|
||||
return 1;
|
||||
}
|
||||
if (value >>> 14 == 0) {
|
||||
buffer.writeByte((byte) (value & 0x7F | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 7));
|
||||
return 2;
|
||||
}
|
||||
if (value >>> 21 == 0) {
|
||||
buffer.writeByte((byte) (value & 0x7F | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 7 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 14));
|
||||
return 3;
|
||||
}
|
||||
if (value >>> 28 == 0) {
|
||||
buffer.writeByte((byte) (value & 0x7F | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 7 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 14 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 21));
|
||||
return 4;
|
||||
}
|
||||
buffer.writeByte((byte) (value & 0x7F | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 7 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 14 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 21 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 28));
|
||||
return 5;
|
||||
}
|
||||
|
||||
// long
|
||||
|
||||
/**
|
||||
* Returns the 1-9 bytes that would be written with {@link #writeLong(ByteBuf, long, boolean)}.
|
||||
*
|
||||
* @param optimizePositive
|
||||
* If true, small positive numbers will be more efficient (1 byte) and small negative numbers will be inefficient (9
|
||||
* bytes). This ultimately means that it will use fewer bytes for positive numbers.
|
||||
*/
|
||||
public static
|
||||
int longLength(long value, boolean optimizePositive) {
|
||||
if (!optimizePositive) {
|
||||
value = value << 1 ^ value >> 63;
|
||||
}
|
||||
if (value >>> 7 == 0) {
|
||||
return 1;
|
||||
}
|
||||
if (value >>> 14 == 0) {
|
||||
return 2;
|
||||
}
|
||||
if (value >>> 21 == 0) {
|
||||
return 3;
|
||||
}
|
||||
if (value >>> 28 == 0) {
|
||||
return 4;
|
||||
}
|
||||
if (value >>> 35 == 0) {
|
||||
return 5;
|
||||
}
|
||||
if (value >>> 42 == 0) {
|
||||
return 6;
|
||||
}
|
||||
if (value >>> 49 == 0) {
|
||||
return 7;
|
||||
}
|
||||
if (value >>> 56 == 0) {
|
||||
return 8;
|
||||
}
|
||||
return 9;
|
||||
}
|
||||
|
||||
/**
|
||||
* FROM KRYO
|
||||
* <p>
|
||||
* Reads a 1-9 byte long.
|
||||
*
|
||||
* @param optimizePositive
|
||||
* If true, small positive numbers will be more efficient (1 byte) and small negative numbers will be inefficient (9
|
||||
* bytes). This ultimately means that it will use fewer bytes for positive numbers.
|
||||
*/
|
||||
public static
|
||||
long readLong(ByteBuf buffer, boolean optimizePositive) {
|
||||
int b = buffer.readByte();
|
||||
long result = b & 0x7F;
|
||||
if ((b & 0x80) != 0) {
|
||||
b = buffer.readByte();
|
||||
result |= (b & 0x7F) << 7;
|
||||
if ((b & 0x80) != 0) {
|
||||
b = buffer.readByte();
|
||||
result |= (b & 0x7F) << 14;
|
||||
if ((b & 0x80) != 0) {
|
||||
b = buffer.readByte();
|
||||
result |= (b & 0x7F) << 21;
|
||||
if ((b & 0x80) != 0) {
|
||||
b = buffer.readByte();
|
||||
result |= (long) (b & 0x7F) << 28;
|
||||
if ((b & 0x80) != 0) {
|
||||
b = buffer.readByte();
|
||||
result |= (long) (b & 0x7F) << 35;
|
||||
if ((b & 0x80) != 0) {
|
||||
b = buffer.readByte();
|
||||
result |= (long) (b & 0x7F) << 42;
|
||||
if ((b & 0x80) != 0) {
|
||||
b = buffer.readByte();
|
||||
result |= (long) (b & 0x7F) << 49;
|
||||
if ((b & 0x80) != 0) {
|
||||
b = buffer.readByte();
|
||||
result |= (long) b << 56;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
if (!optimizePositive) {
|
||||
result = result >>> 1 ^ -(result & 1);
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
/**
|
||||
* FROM KRYO
|
||||
* <p>
|
||||
* Writes a 1-9 byte long.
|
||||
*
|
||||
* @param optimizePositive
|
||||
* If true, small positive numbers will be more efficient (1 byte) and small negative numbers will be inefficient (9
|
||||
* bytes). This ultimately means that it will use fewer bytes for positive numbers.
|
||||
*
|
||||
* @return the number of bytes written.
|
||||
*/
|
||||
public static
|
||||
int writeLong(ByteBuf buffer, long value, boolean optimizePositive) {
|
||||
if (!optimizePositive) {
|
||||
value = value << 1 ^ value >> 63;
|
||||
}
|
||||
if (value >>> 7 == 0) {
|
||||
buffer.writeByte((byte) value);
|
||||
return 1;
|
||||
}
|
||||
if (value >>> 14 == 0) {
|
||||
buffer.writeByte((byte) (value & 0x7F | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 7));
|
||||
return 2;
|
||||
}
|
||||
if (value >>> 21 == 0) {
|
||||
buffer.writeByte((byte) (value & 0x7F | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 7 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 14));
|
||||
return 3;
|
||||
}
|
||||
if (value >>> 28 == 0) {
|
||||
buffer.writeByte((byte) (value & 0x7F | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 7 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 14 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 21));
|
||||
return 4;
|
||||
}
|
||||
if (value >>> 35 == 0) {
|
||||
buffer.writeByte((byte) (value & 0x7F | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 7 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 14 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 21 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 28));
|
||||
return 5;
|
||||
}
|
||||
if (value >>> 42 == 0) {
|
||||
buffer.writeByte((byte) (value & 0x7F | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 7 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 14 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 21 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 28 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 35));
|
||||
return 6;
|
||||
}
|
||||
if (value >>> 49 == 0) {
|
||||
buffer.writeByte((byte) (value & 0x7F | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 7 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 14 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 21 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 28 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 35 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 42));
|
||||
return 7;
|
||||
}
|
||||
if (value >>> 56 == 0) {
|
||||
buffer.writeByte((byte) (value & 0x7F | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 7 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 14 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 21 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 28 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 35 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 42 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 49));
|
||||
return 8;
|
||||
}
|
||||
buffer.writeByte((byte) (value & 0x7F | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 7 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 14 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 21 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 28 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 35 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 42 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 49 | 0x80));
|
||||
buffer.writeByte((byte) (value >>> 56));
|
||||
return 9;
|
||||
}
|
||||
|
||||
/**
|
||||
* FROM KRYO
|
||||
* <p>
|
||||
* look at buffer, and see if we can read the length of the long off of it (from the reader index).
|
||||
*
|
||||
* @return 0 if we could not read anything, >0 for the number of bytes for the long on the buffer
|
||||
*/
|
||||
public static
|
||||
int canReadLong(ByteBuf buffer) {
|
||||
int position = buffer.readerIndex();
|
||||
try {
|
||||
int remaining = buffer.readableBytes();
|
||||
for (int offset = 0, count = 1; offset < 64 && remaining > 0; offset += 7, remaining--, count++) {
|
||||
int b = buffer.readByte();
|
||||
if ((b & 0x80) == 0) {
|
||||
return count;
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
} finally {
|
||||
buffer.readerIndex(position);
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -1,311 +0,0 @@
|
||||
/*
|
||||
* Copyright (c) 2011-2017, Data Geekery GmbH (http://www.datageekery.com)
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package dorkbox.util.bytes;
|
||||
|
||||
import java.io.ObjectStreamException;
|
||||
import java.math.BigInteger;
|
||||
|
||||
/**
|
||||
* The <code>unsigned byte</code> type
|
||||
*
|
||||
* @author Lukas Eder
|
||||
* @author Ed Schaller
|
||||
* @author Jens Nerche
|
||||
*/
|
||||
public final class UByte extends UNumber implements Comparable<UByte> {
|
||||
|
||||
/**
|
||||
* Generated UID
|
||||
*/
|
||||
private static final long serialVersionUID = -6821055240959745390L;
|
||||
|
||||
/**
|
||||
* Cached values
|
||||
*/
|
||||
private static final UByte[] VALUES = mkValues();
|
||||
|
||||
/**
|
||||
* A constant holding the minimum value an <code>unsigned byte</code> can
|
||||
* have, 0.
|
||||
*/
|
||||
public static final short MIN_VALUE = 0x00;
|
||||
|
||||
/**
|
||||
* A constant holding the maximum value an <code>unsigned byte</code> can
|
||||
* have, 2<sup>8</sup>-1.
|
||||
*/
|
||||
public static final short MAX_VALUE = 0xff;
|
||||
|
||||
/**
|
||||
* A constant holding the minimum value an <code>unsigned byte</code> can
|
||||
* have as UByte, 0.
|
||||
*/
|
||||
public static final UByte MIN = valueOf(0x00);
|
||||
|
||||
/**
|
||||
* A constant holding the maximum value an <code>unsigned byte</code> can
|
||||
* have as UByte, 2<sup>8</sup>-1.
|
||||
*/
|
||||
public static final UByte MAX = valueOf(0xff);
|
||||
|
||||
/**
|
||||
* The value modelling the content of this <code>unsigned byte</code>
|
||||
*/
|
||||
private final short value;
|
||||
|
||||
/**
|
||||
* Generate a cached value for each byte value.
|
||||
*
|
||||
* @return Array of cached values for UByte.
|
||||
*/
|
||||
private static final UByte[] mkValues() {
|
||||
UByte[] ret = new UByte[256];
|
||||
|
||||
for (int i = Byte.MIN_VALUE; i <= Byte.MAX_VALUE; i++)
|
||||
ret[i & MAX_VALUE] = new UByte((byte) i);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get an instance of an <code>unsigned byte</code>
|
||||
*
|
||||
* @throws NumberFormatException If <code>value</code> does not contain a
|
||||
* parsable <code>unsigned byte</code>.
|
||||
*/
|
||||
public static UByte valueOf(String value) throws NumberFormatException {
|
||||
return valueOfUnchecked(rangeCheck(Short.parseShort(value)));
|
||||
}
|
||||
|
||||
/**
|
||||
* Get an instance of an <code>unsigned byte</code> by masking it with
|
||||
* <code>0xFF</code> i.e. <code>(byte) -1</code> becomes
|
||||
* <code>(ubyte) 255</code>
|
||||
*/
|
||||
public static UByte valueOf(byte value) {
|
||||
return valueOfUnchecked((short) (value & MAX_VALUE));
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the value of a short without checking the value.
|
||||
*/
|
||||
private static UByte valueOfUnchecked(short value) throws NumberFormatException {
|
||||
return VALUES[value & MAX_VALUE];
|
||||
}
|
||||
|
||||
/**
|
||||
* Get an instance of an <code>unsigned byte</code>
|
||||
*
|
||||
* @throws NumberFormatException If <code>value</code> is not in the range
|
||||
* of an <code>unsigned byte</code>
|
||||
*/
|
||||
public static UByte valueOf(short value) throws NumberFormatException {
|
||||
return valueOfUnchecked(rangeCheck(value));
|
||||
}
|
||||
|
||||
/**
|
||||
* Get an instance of an <code>unsigned byte</code>
|
||||
*
|
||||
* @throws NumberFormatException If <code>value</code> is not in the range
|
||||
* of an <code>unsigned byte</code>
|
||||
*/
|
||||
public static UByte valueOf(int value) throws NumberFormatException {
|
||||
return valueOfUnchecked(rangeCheck(value));
|
||||
}
|
||||
|
||||
/**
|
||||
* Get an instance of an <code>unsigned byte</code>
|
||||
*
|
||||
* @throws NumberFormatException If <code>value</code> is not in the range
|
||||
* of an <code>unsigned byte</code>
|
||||
*/
|
||||
public static UByte valueOf(long value) throws NumberFormatException {
|
||||
return valueOfUnchecked(rangeCheck(value));
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned byte</code>
|
||||
*
|
||||
* @throws NumberFormatException If <code>value</code> is not in the range
|
||||
* of an <code>unsigned byte</code>
|
||||
*/
|
||||
private UByte(long value) throws NumberFormatException {
|
||||
this.value = rangeCheck(value);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned byte</code>
|
||||
*
|
||||
* @throws NumberFormatException If <code>value</code> is not in the range
|
||||
* of an <code>unsigned byte</code>
|
||||
*/
|
||||
private UByte(int value) throws NumberFormatException {
|
||||
this.value = rangeCheck(value);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned byte</code>
|
||||
*
|
||||
* @throws NumberFormatException If <code>value</code> is not in the range
|
||||
* of an <code>unsigned byte</code>
|
||||
*/
|
||||
private UByte(short value) throws NumberFormatException {
|
||||
this.value = rangeCheck(value);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned byte</code> by masking it with <code>0xFF</code>
|
||||
* i.e. <code>(byte) -1</code> becomes <code>(ubyte) 255</code>
|
||||
*/
|
||||
private UByte(byte value) {
|
||||
this.value = (short) (value & MAX_VALUE);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned byte</code>
|
||||
*
|
||||
* @throws NumberFormatException If <code>value</code> does not contain a
|
||||
* parsable <code>unsigned byte</code>.
|
||||
*/
|
||||
private UByte(String value) throws NumberFormatException {
|
||||
this.value = rangeCheck(Short.parseShort(value));
|
||||
}
|
||||
|
||||
/**
|
||||
* Throw exception if value out of range (short version)
|
||||
*
|
||||
* @param value Value to check
|
||||
* @return value if it is in range
|
||||
* @throws NumberFormatException if value is out of range
|
||||
*/
|
||||
private static short rangeCheck(short value) throws NumberFormatException {
|
||||
if (value < MIN_VALUE || value > MAX_VALUE)
|
||||
throw new NumberFormatException("Value is out of range : " + value);
|
||||
|
||||
return value;
|
||||
}
|
||||
|
||||
/**
|
||||
* Throw exception if value out of range (int version)
|
||||
*
|
||||
* @param value Value to check
|
||||
* @return value if it is in range
|
||||
* @throws NumberFormatException if value is out of range
|
||||
*/
|
||||
private static short rangeCheck(int value) throws NumberFormatException {
|
||||
if (value < MIN_VALUE || value > MAX_VALUE)
|
||||
throw new NumberFormatException("Value is out of range : " + value);
|
||||
|
||||
return (short) value;
|
||||
}
|
||||
|
||||
/**
|
||||
* Throw exception if value out of range (long version)
|
||||
*
|
||||
* @param value Value to check
|
||||
* @return value if it is in range
|
||||
* @throws NumberFormatException if value is out of range
|
||||
*/
|
||||
private static short rangeCheck(long value) throws NumberFormatException {
|
||||
if (value < MIN_VALUE || value > MAX_VALUE)
|
||||
throw new NumberFormatException("Value is out of range : " + value);
|
||||
|
||||
return (short) value;
|
||||
}
|
||||
|
||||
/**
|
||||
* Replace version read through deserialization with cached version. Note
|
||||
* that this does not use the {@link #valueOfUnchecked(short)} as we have no
|
||||
* guarantee that the value from the stream is valid.
|
||||
*
|
||||
* @return cached instance of this object's value
|
||||
* @throws ObjectStreamException
|
||||
*/
|
||||
private Object readResolve() throws ObjectStreamException {
|
||||
return valueOf(value);
|
||||
}
|
||||
|
||||
@Override
|
||||
public int intValue() {
|
||||
return value;
|
||||
}
|
||||
|
||||
@Override
|
||||
public long longValue() {
|
||||
return value;
|
||||
}
|
||||
|
||||
@Override
|
||||
public float floatValue() {
|
||||
return value;
|
||||
}
|
||||
|
||||
@Override
|
||||
public double doubleValue() {
|
||||
return value;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
return Short.valueOf(value).hashCode();
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object obj) {
|
||||
if (this == obj)
|
||||
return true;
|
||||
if (obj instanceof UByte)
|
||||
return value == ((UByte) obj).value;
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return Short.valueOf(value).toString();
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toHexString() {
|
||||
return Integer.toHexString(this.value);
|
||||
}
|
||||
|
||||
@Override
|
||||
public int compareTo(UByte o) {
|
||||
return (value < o.value ? -1 : (value == o.value ? 0 : 1));
|
||||
}
|
||||
|
||||
@Override
|
||||
public BigInteger toBigInteger() {
|
||||
return BigInteger.valueOf(value);
|
||||
}
|
||||
|
||||
public UByte add(UByte val) throws NumberFormatException {
|
||||
return valueOf(value + val.value);
|
||||
}
|
||||
|
||||
public UByte add(int val) throws NumberFormatException {
|
||||
return valueOf(value + val);
|
||||
}
|
||||
|
||||
public UByte subtract(final UByte val) {
|
||||
return valueOf(value - val.value);
|
||||
}
|
||||
|
||||
public UByte subtract(final int val) {
|
||||
return valueOf(value - val);
|
||||
}
|
||||
}
|
||||
@ -1,349 +0,0 @@
|
||||
/*
|
||||
* Copyright (c) 2011-2017, Data Geekery GmbH (http://www.datageekery.com)
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package dorkbox.util.bytes;
|
||||
|
||||
import java.io.ObjectStreamException;
|
||||
import java.math.BigInteger;
|
||||
|
||||
/**
|
||||
* The <code>unsigned int</code> type
|
||||
*
|
||||
* @author Lukas Eder
|
||||
* @author Ed Schaller
|
||||
* @author Jens Nerche
|
||||
*/
|
||||
public final class UInteger extends UNumber implements Comparable<UInteger> {
|
||||
|
||||
private static final Class<UInteger> CLASS = UInteger.class;
|
||||
private static final String CLASS_NAME = CLASS.getName();
|
||||
|
||||
/**
|
||||
* System property name for the property to set the size of the pre-cache.
|
||||
*/
|
||||
private static final String PRECACHE_PROPERTY = CLASS_NAME + ".precacheSize";
|
||||
|
||||
/**
|
||||
* Default size for the value cache.
|
||||
*/
|
||||
private static final int DEFAULT_PRECACHE_SIZE = 256;
|
||||
|
||||
/**
|
||||
* Generated UID
|
||||
*/
|
||||
private static final long serialVersionUID = -6821055240959745390L;
|
||||
|
||||
/**
|
||||
* Cached values
|
||||
*/
|
||||
private static final UInteger[] VALUES = mkValues();
|
||||
|
||||
/**
|
||||
* A constant holding the minimum value an <code>unsigned int</code> can
|
||||
* have, 0.
|
||||
*/
|
||||
public static final long MIN_VALUE = 0x00000000;
|
||||
|
||||
/**
|
||||
* A constant holding the maximum value an <code>unsigned int</code> can
|
||||
* have, 2<sup>32</sup>-1.
|
||||
*/
|
||||
public static final long MAX_VALUE = 0xffffffffL;
|
||||
|
||||
/**
|
||||
* A constant holding the minimum value an <code>unsigned int</code> can
|
||||
* have as UInteger, 0.
|
||||
*/
|
||||
public static final UInteger MIN = valueOf(MIN_VALUE);
|
||||
|
||||
/**
|
||||
* A constant holding the maximum value an <code>unsigned int</code> can
|
||||
* have as UInteger, 2<sup>32</sup>-1.
|
||||
*/
|
||||
public static final UInteger MAX = valueOf(MAX_VALUE);
|
||||
|
||||
/**
|
||||
* The value modelling the content of this <code>unsigned int</code>
|
||||
*/
|
||||
private final long value;
|
||||
|
||||
/**
|
||||
* Figure out the size of the precache.
|
||||
*
|
||||
* @return The parsed value of the system property
|
||||
* {@link #PRECACHE_PROPERTY} or {@link #DEFAULT_PRECACHE_SIZE} if
|
||||
* the property is not set, not a number or retrieving results in a
|
||||
* {@link SecurityException}. If the parsed value is zero or
|
||||
* negative no cache will be created. If the value is larger than
|
||||
* {@link Integer#MAX_VALUE} then Integer#MAX_VALUE will be used.
|
||||
*/
|
||||
private static final int getPrecacheSize() {
|
||||
String prop = null;
|
||||
long propParsed;
|
||||
|
||||
try {
|
||||
prop = System.getProperty(PRECACHE_PROPERTY);
|
||||
}
|
||||
catch (SecurityException e) {
|
||||
// security manager stopped us so use default
|
||||
// FIXME: should we log this somewhere?
|
||||
return DEFAULT_PRECACHE_SIZE;
|
||||
}
|
||||
if (prop == null)
|
||||
return DEFAULT_PRECACHE_SIZE;
|
||||
|
||||
// empty value
|
||||
// FIXME: should we log this somewhere?
|
||||
if (prop.length() <= 0)
|
||||
return DEFAULT_PRECACHE_SIZE;
|
||||
|
||||
try {
|
||||
propParsed = Long.parseLong(prop);
|
||||
}
|
||||
catch (NumberFormatException e) {
|
||||
// not a valid number
|
||||
// FIXME: should we log this somewhere?
|
||||
return DEFAULT_PRECACHE_SIZE;
|
||||
}
|
||||
|
||||
// treat negative value as no cache...
|
||||
if (propParsed < 0)
|
||||
return 0;
|
||||
|
||||
// FIXME: should we log this somewhere?
|
||||
if (propParsed > Integer.MAX_VALUE)
|
||||
return Integer.MAX_VALUE;
|
||||
|
||||
return (int) propParsed;
|
||||
}
|
||||
|
||||
/**
|
||||
* Generate a cached value for initial unsigned integer values.
|
||||
*
|
||||
* @return Array of cached values for UInteger
|
||||
*/
|
||||
private static final UInteger[] mkValues() {
|
||||
int precacheSize = getPrecacheSize();
|
||||
UInteger[] ret;
|
||||
|
||||
if (precacheSize <= 0)
|
||||
return null;
|
||||
|
||||
ret = new UInteger[precacheSize];
|
||||
for (int i = 0; i < precacheSize; i++)
|
||||
ret[i] = new UInteger(i);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/**
|
||||
* Unchecked internal constructor. This serves two purposes: first it allows
|
||||
* {@link #UInteger(long)} to stay deprecated without warnings and second
|
||||
* constructor without unnecessary value checks.
|
||||
*
|
||||
* @param value The value to wrap
|
||||
* @param unused Unused parameter to distinguish between this and the
|
||||
* deprecated public constructor.
|
||||
*/
|
||||
private UInteger(long value, boolean unused) {
|
||||
this.value = value;
|
||||
}
|
||||
|
||||
/**
|
||||
* Retrieve a cached value.
|
||||
*
|
||||
* @param value Cached value to retrieve
|
||||
* @return Cached value if one exists. Null otherwise.
|
||||
*/
|
||||
private static UInteger getCached(long value) {
|
||||
if (VALUES != null && value < VALUES.length)
|
||||
return VALUES[(int) value];
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the value of a long without checking the value.
|
||||
*/
|
||||
private static UInteger valueOfUnchecked(long value) {
|
||||
UInteger cached;
|
||||
|
||||
if ((cached = getCached(value)) != null)
|
||||
return cached;
|
||||
|
||||
return new UInteger(value, true);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned int</code>
|
||||
*
|
||||
* @throws NumberFormatException If <code>value</code> does not contain a
|
||||
* parsable <code>unsigned int</code>.
|
||||
*/
|
||||
public static UInteger valueOf(String value) throws NumberFormatException {
|
||||
return valueOfUnchecked(rangeCheck(Long.parseLong(value)));
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned int</code> by masking it with
|
||||
* <code>0xFFFFFFFF</code> i.e. <code>(int) -1</code> becomes
|
||||
* <code>(uint) 4294967295</code>
|
||||
*/
|
||||
public static UInteger valueOf(int value) {
|
||||
return valueOfUnchecked(value & MAX_VALUE);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned int</code>
|
||||
*
|
||||
* @throws NumberFormatException If <code>value</code> is not in the range
|
||||
* of an <code>unsigned byte</code>
|
||||
*/
|
||||
public static UInteger valueOf(long value) throws NumberFormatException {
|
||||
return valueOfUnchecked(rangeCheck(value));
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned int</code>
|
||||
*
|
||||
* @throws NumberFormatException If <code>value</code> is not in the range
|
||||
* of an <code>unsigned int</code>
|
||||
*/
|
||||
private UInteger(long value) throws NumberFormatException {
|
||||
this.value = rangeCheck(value);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned int</code> by masking it with
|
||||
* <code>0xFFFFFFFF</code> i.e. <code>(int) -1</code> becomes
|
||||
* <code>(uint) 4294967295</code>
|
||||
*/
|
||||
private UInteger(int value) {
|
||||
this.value = value & MAX_VALUE;
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned int</code>
|
||||
*
|
||||
* @throws NumberFormatException If <code>value</code> does not contain a
|
||||
* parsable <code>unsigned int</code>.
|
||||
*/
|
||||
private UInteger(String value) throws NumberFormatException {
|
||||
this.value = rangeCheck(Long.parseLong(value));
|
||||
}
|
||||
|
||||
/**
|
||||
* Throw exception if value out of range (long version)
|
||||
*
|
||||
* @param value Value to check
|
||||
* @return value if it is in range
|
||||
* @throws NumberFormatException if value is out of range
|
||||
*/
|
||||
private static long rangeCheck(long value) throws NumberFormatException {
|
||||
if (value < MIN_VALUE || value > MAX_VALUE)
|
||||
throw new NumberFormatException("Value is out of range : " + value);
|
||||
|
||||
return value;
|
||||
}
|
||||
|
||||
/**
|
||||
* Replace version read through deserialization with cached version.
|
||||
*
|
||||
* @return cached instance of this object's value if one exists, otherwise
|
||||
* this object
|
||||
* @throws ObjectStreamException
|
||||
*/
|
||||
private Object readResolve() throws ObjectStreamException {
|
||||
UInteger cached;
|
||||
|
||||
// the value read could be invalid so check it
|
||||
rangeCheck(value);
|
||||
if ((cached = getCached(value)) != null)
|
||||
return cached;
|
||||
|
||||
return this;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int intValue() {
|
||||
return (int) value;
|
||||
}
|
||||
|
||||
@Override
|
||||
public long longValue() {
|
||||
return value;
|
||||
}
|
||||
|
||||
@Override
|
||||
public float floatValue() {
|
||||
return value;
|
||||
}
|
||||
|
||||
@Override
|
||||
public double doubleValue() {
|
||||
return value;
|
||||
}
|
||||
|
||||
@Override
|
||||
public BigInteger toBigInteger() {
|
||||
return BigInteger.valueOf(value);
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
return Long.valueOf(value).hashCode();
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object obj) {
|
||||
if (this == obj)
|
||||
return true;
|
||||
if (obj instanceof UInteger)
|
||||
return value == ((UInteger) obj).value;
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return Long.valueOf(value).toString();
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toHexString() {
|
||||
return Long.toHexString(this.value);
|
||||
}
|
||||
|
||||
@Override
|
||||
public int compareTo(UInteger o) {
|
||||
return (value < o.value ? -1 : (value == o.value ? 0 : 1));
|
||||
}
|
||||
|
||||
public UInteger add(final UInteger val) {
|
||||
return valueOf(value + val.value);
|
||||
}
|
||||
|
||||
public UInteger add(final int val) {
|
||||
return valueOf(value + val);
|
||||
}
|
||||
|
||||
public UInteger subtract(final UInteger val) {
|
||||
return valueOf(value - val.value);
|
||||
}
|
||||
|
||||
public UInteger subtract(final int val) {
|
||||
return valueOf(value - val);
|
||||
}
|
||||
}
|
||||
@ -1,273 +0,0 @@
|
||||
/*
|
||||
* Copyright (c) 2011-2017, Data Geekery GmbH (http://www.datageekery.com)
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package dorkbox.util.bytes;
|
||||
|
||||
import java.math.BigInteger;
|
||||
|
||||
/**
|
||||
* The <code>unsigned long</code> type
|
||||
*
|
||||
* @author Lukas Eder
|
||||
* @author Jens Nerche
|
||||
* @author Ivan Sokolov
|
||||
*/
|
||||
public final class ULong extends UNumber implements Comparable<ULong> {
|
||||
|
||||
/**
|
||||
* Generated UID
|
||||
*/
|
||||
private static final long serialVersionUID = -6821055240959745390L;
|
||||
|
||||
/**
|
||||
* A constant holding the minimum value an <code>unsigned long</code> can
|
||||
* have, 0.
|
||||
*/
|
||||
public static final BigInteger MIN_VALUE = BigInteger.ZERO;
|
||||
|
||||
/**
|
||||
* A constant holding the maximum value an <code>unsigned long</code> can
|
||||
* have, 2<sup>64</sup>-1.
|
||||
*/
|
||||
public static final BigInteger MAX_VALUE = new BigInteger("18446744073709551615");
|
||||
|
||||
/**
|
||||
* A constant holding the maximum value + 1 an <code>signed long</code> can
|
||||
* have, 2<sup>63</sup>.
|
||||
*/
|
||||
public static final BigInteger MAX_VALUE_LONG = new BigInteger("9223372036854775808");
|
||||
|
||||
/**
|
||||
* A constant holding the minimum value an <code>unsigned long</code> can
|
||||
* have as ULong, 0.
|
||||
*/
|
||||
public static final ULong MIN = valueOf(MIN_VALUE.longValue());
|
||||
|
||||
/**
|
||||
* A constant holding the maximum value + 1 an <code>signed long</code> can
|
||||
* have as ULong, 2<sup>63</sup>.
|
||||
*/
|
||||
public static final ULong MAX = valueOf(MAX_VALUE);
|
||||
|
||||
/**
|
||||
* The value modelling the content of this <code>unsigned long</code>
|
||||
*/
|
||||
private final long value;
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned long</code>
|
||||
*
|
||||
* @throws NumberFormatException If <code>value</code> does not contain a
|
||||
* parsable <code>unsigned long</code>.
|
||||
*/
|
||||
public static ULong valueOf(String value) throws NumberFormatException {
|
||||
return new ULong(value);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned long</code> by masking it with
|
||||
* <code>0xFFFFFFFFFFFFFFFF</code> i.e. <code>(long) -1</code> becomes
|
||||
* <code>(uint) 18446744073709551615</code>
|
||||
*/
|
||||
public static ULong valueOf(long value) {
|
||||
return new ULong(value);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned long</code>
|
||||
*
|
||||
* @throws NumberFormatException If <code>value</code> is not in the range
|
||||
* of an <code>unsigned long</code>
|
||||
*/
|
||||
public static ULong valueOf(BigInteger value) throws NumberFormatException {
|
||||
return new ULong(value);
|
||||
}
|
||||
|
||||
public static int compare(long x, long y) {
|
||||
x += Long.MIN_VALUE;
|
||||
y += Long.MIN_VALUE;
|
||||
return (x < y) ? -1 : ((x == y) ? 0 : 1);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned long</code>
|
||||
*
|
||||
* @throws NumberFormatException If <code>value</code> is not in the range
|
||||
* of an <code>unsigned long</code>
|
||||
*/
|
||||
private ULong(BigInteger value) throws NumberFormatException {
|
||||
if (value.compareTo(MIN_VALUE) < 0 || value.compareTo(MAX_VALUE) > 0)
|
||||
throw new NumberFormatException();
|
||||
else
|
||||
this.value = value.longValue();
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned long</code> by masking it with
|
||||
* <code>0xFFFFFFFFFFFFFFFF</code> i.e. <code>(long) -1</code> becomes
|
||||
* <code>(uint) 18446744073709551615</code>
|
||||
*/
|
||||
private ULong(long value) {
|
||||
this.value = value;
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned long</code>
|
||||
*
|
||||
* @throws NumberFormatException If <code>value</code> does not contain a
|
||||
* parsable <code>unsigned long</code>.
|
||||
*/
|
||||
private ULong(String value) throws NumberFormatException {
|
||||
if (value == null)
|
||||
throw new NumberFormatException("null");
|
||||
|
||||
int length = value.length();
|
||||
|
||||
if (length == 0)
|
||||
throw new NumberFormatException("Empty input string");
|
||||
|
||||
if (value.charAt(0) == '-')
|
||||
throw new NumberFormatException(
|
||||
String.format("Illegal leading minus sign on unsigned string %s", value));
|
||||
|
||||
if (length <= 18) {
|
||||
this.value = Long.parseLong(value, 10);
|
||||
return;
|
||||
}
|
||||
|
||||
final long first = Long.parseLong(value.substring(0, length - 1), 10);
|
||||
final int second = Character.digit(value.charAt(length - 1), 10);
|
||||
if (second < 0)
|
||||
throw new NumberFormatException("Bad digit at end of " + value);
|
||||
|
||||
long result = first * 10 + second;
|
||||
if (compare(result, first) < 0)
|
||||
throw new NumberFormatException(
|
||||
String.format("String value %s exceeds range of unsigned long", value));
|
||||
|
||||
this.value = result;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int intValue() {
|
||||
return (int) value;
|
||||
}
|
||||
|
||||
@Override
|
||||
public long longValue() {
|
||||
return value;
|
||||
}
|
||||
|
||||
@Override
|
||||
public float floatValue() {
|
||||
if (value < 0)
|
||||
return ((float) (value & Long.MAX_VALUE)) + Long.MAX_VALUE;
|
||||
else
|
||||
return value;
|
||||
}
|
||||
|
||||
@Override
|
||||
public double doubleValue() {
|
||||
if (value < 0)
|
||||
return ((double) (value & Long.MAX_VALUE)) + Long.MAX_VALUE;
|
||||
else
|
||||
return value;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
return Long.valueOf(value).hashCode();
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object obj) {
|
||||
if (obj instanceof ULong)
|
||||
return value == ((ULong) obj).value;
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
if (value >= 0)
|
||||
return Long.toString(value);
|
||||
else
|
||||
return BigInteger.valueOf(value & Long.MAX_VALUE).add(MAX_VALUE_LONG).toString();
|
||||
}
|
||||
@Override
|
||||
public String toHexString() {
|
||||
return Long.toHexString(this.value);
|
||||
}
|
||||
|
||||
@Override
|
||||
public int compareTo(ULong o) {
|
||||
return compare(value, o.value);
|
||||
}
|
||||
|
||||
public ULong add(ULong val) throws NumberFormatException {
|
||||
if (value < 0 && val.value < 0)
|
||||
throw new NumberFormatException();
|
||||
|
||||
final long result = value + val.value;
|
||||
if ((value < 0 || val.value < 0) && result >= 0)
|
||||
throw new NumberFormatException();
|
||||
|
||||
return valueOf(result);
|
||||
}
|
||||
|
||||
public ULong add(int val) throws NumberFormatException {
|
||||
return add((long) val);
|
||||
}
|
||||
|
||||
public ULong add(long val) throws NumberFormatException {
|
||||
if (val < 0)
|
||||
return subtract(Math.abs(val));
|
||||
|
||||
final long result = value + val;
|
||||
if (value < 0 && result >= 0)
|
||||
throw new NumberFormatException();
|
||||
|
||||
return valueOf(result);
|
||||
}
|
||||
|
||||
public ULong subtract(final ULong val) {
|
||||
if (this.compareTo(val) < 0)
|
||||
throw new NumberFormatException();
|
||||
|
||||
final long result = value - val.value;
|
||||
if (value < 0 && result >= 0)
|
||||
throw new NumberFormatException();
|
||||
|
||||
return valueOf(result);
|
||||
}
|
||||
|
||||
public ULong subtract(final int val) {
|
||||
return subtract((long) val);
|
||||
}
|
||||
|
||||
public ULong subtract(final long val) {
|
||||
if (val < 0)
|
||||
return add(-val);
|
||||
|
||||
if (compare(value, val) < 0)
|
||||
throw new NumberFormatException();
|
||||
|
||||
final long result = value - val;
|
||||
if (value < 0 && result >= 0)
|
||||
throw new NumberFormatException();
|
||||
|
||||
return valueOf(result);
|
||||
}
|
||||
}
|
||||
@ -1,44 +0,0 @@
|
||||
/*
|
||||
* Copyright (c) 2011-2017, Data Geekery GmbH (http://www.datageekery.com)
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package dorkbox.util.bytes;
|
||||
|
||||
import java.math.BigInteger;
|
||||
|
||||
/**
|
||||
* A base type for unsigned numbers.
|
||||
*
|
||||
* @author Lukas Eder
|
||||
*/
|
||||
public abstract class UNumber extends Number {
|
||||
|
||||
/**
|
||||
* Generated UID
|
||||
*/
|
||||
private static final long serialVersionUID = -7666221938815339843L;
|
||||
|
||||
/**
|
||||
* Get this number as a {@link BigInteger}. This is a convenience method for
|
||||
* calling <code>new BigInteger(toString())</code>
|
||||
*/
|
||||
public BigInteger toBigInteger() {
|
||||
return new BigInteger(toString());
|
||||
}
|
||||
|
||||
/**
|
||||
* Converts this number to a hex string representation
|
||||
*/
|
||||
public abstract String toHexString();
|
||||
}
|
||||
@ -1,195 +0,0 @@
|
||||
/*
|
||||
* Copyright (c) 2011-2017, Data Geekery GmbH (http://www.datageekery.com)
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package dorkbox.util.bytes;
|
||||
|
||||
import java.math.BigInteger;
|
||||
|
||||
/**
|
||||
* The <code>unsigned short</code> type
|
||||
*
|
||||
* @author Lukas Eder
|
||||
* @author Jens Nerche
|
||||
*/
|
||||
public final class UShort extends UNumber implements Comparable<UShort> {
|
||||
|
||||
/**
|
||||
* Generated UID
|
||||
*/
|
||||
private static final long serialVersionUID = -6821055240959745390L;
|
||||
|
||||
/**
|
||||
* A constant holding the minimum value an <code>unsigned short</code> can
|
||||
* have, 0.
|
||||
*/
|
||||
public static final int MIN_VALUE = 0x0000;
|
||||
|
||||
/**
|
||||
* A constant holding the maximum value an <code>unsigned short</code> can
|
||||
* have, 2<sup>16</sup>-1.
|
||||
*/
|
||||
public static final int MAX_VALUE = 0xffff;
|
||||
|
||||
/**
|
||||
* A constant holding the minimum value an <code>unsigned short</code> can
|
||||
* have as UShort, 0.
|
||||
*/
|
||||
public static final UShort MIN = valueOf(MIN_VALUE);
|
||||
|
||||
/**
|
||||
* A constant holding the maximum value an <code>unsigned short</code> can
|
||||
* have as UShort, 2<sup>16</sup>-1.
|
||||
*/
|
||||
public static final UShort MAX = valueOf(MAX_VALUE);
|
||||
|
||||
/**
|
||||
* The value modelling the content of this <code>unsigned short</code>
|
||||
*/
|
||||
private final int value;
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned short</code>
|
||||
*
|
||||
* @throws NumberFormatException If <code>value</code> does not contain a
|
||||
* parsable <code>unsigned short</code>.
|
||||
*/
|
||||
public static UShort valueOf(String value) throws NumberFormatException {
|
||||
return new UShort(value);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned short</code> by masking it with
|
||||
* <code>0xFFFF</code> i.e. <code>(short) -1</code> becomes
|
||||
* <code>(ushort) 65535</code>
|
||||
*/
|
||||
public static UShort valueOf(short value) {
|
||||
return new UShort(value);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned short</code>
|
||||
*
|
||||
* @throws NumberFormatException If <code>value</code> is not in the range
|
||||
* of an <code>unsigned short</code>
|
||||
*/
|
||||
public static UShort valueOf(int value) throws NumberFormatException {
|
||||
return new UShort(value);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned short</code>
|
||||
*
|
||||
* @throws NumberFormatException If <code>value</code> is not in the range
|
||||
* of an <code>unsigned short</code>
|
||||
*/
|
||||
private UShort(int value) throws NumberFormatException {
|
||||
this.value = value;
|
||||
rangeCheck();
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned short</code> by masking it with
|
||||
* <code>0xFFFF</code> i.e. <code>(short) -1</code> becomes
|
||||
* <code>(ushort) 65535</code>
|
||||
*/
|
||||
private UShort(short value) {
|
||||
this.value = value & MAX_VALUE;
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned short</code>
|
||||
*
|
||||
* @throws NumberFormatException If <code>value</code> does not contain a
|
||||
* parsable <code>unsigned short</code>.
|
||||
*/
|
||||
private UShort(String value) throws NumberFormatException {
|
||||
this.value = Integer.parseInt(value);
|
||||
rangeCheck();
|
||||
}
|
||||
|
||||
private void rangeCheck() throws NumberFormatException {
|
||||
if (value < MIN_VALUE || value > MAX_VALUE)
|
||||
throw new NumberFormatException("Value is out of range : " + value);
|
||||
}
|
||||
|
||||
@Override
|
||||
public int intValue() {
|
||||
return value;
|
||||
}
|
||||
|
||||
@Override
|
||||
public long longValue() {
|
||||
return value;
|
||||
}
|
||||
|
||||
@Override
|
||||
public float floatValue() {
|
||||
return value;
|
||||
}
|
||||
|
||||
@Override
|
||||
public double doubleValue() {
|
||||
return value;
|
||||
}
|
||||
|
||||
@Override
|
||||
public BigInteger toBigInteger() {
|
||||
return BigInteger.valueOf(value);
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
return Integer.valueOf(value).hashCode();
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object obj) {
|
||||
if (obj instanceof UShort)
|
||||
return value == ((UShort) obj).value;
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return Integer.valueOf(value).toString();
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toHexString() {
|
||||
return Integer.toHexString(this.value);
|
||||
}
|
||||
|
||||
@Override
|
||||
public int compareTo(UShort o) {
|
||||
return (value < o.value ? -1 : (value == o.value ? 0 : 1));
|
||||
}
|
||||
|
||||
public UShort add(UShort val) throws NumberFormatException {
|
||||
return valueOf(value + val.value);
|
||||
}
|
||||
|
||||
public UShort add(int val) throws NumberFormatException {
|
||||
return valueOf(value + val);
|
||||
}
|
||||
|
||||
public UShort subtract(final UShort val) {
|
||||
return valueOf(value - val.value);
|
||||
}
|
||||
|
||||
public UShort subtract(final int val) {
|
||||
return valueOf(value - val);
|
||||
}
|
||||
}
|
||||
@ -1,192 +0,0 @@
|
||||
/*
|
||||
* Copyright (c) 2011-2017, Data Geekery GmbH (http://www.datageekery.com)
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package dorkbox.util.bytes;
|
||||
|
||||
import java.math.BigInteger;
|
||||
|
||||
/**
|
||||
* A utility class for static access to unsigned number functionality.
|
||||
* <p>
|
||||
* It essentially contains factory methods for unsigned number wrappers. In
|
||||
* future versions, it will also contain some arithmetic methods, handling
|
||||
* regular arithmetic and bitwise operations
|
||||
*
|
||||
* @author Lukas Eder
|
||||
*/
|
||||
public final class Unsigned {
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned byte</code>
|
||||
*
|
||||
* @throws NumberFormatException If <code>value</code> does not contain a
|
||||
* parsable <code>unsigned byte</code>.
|
||||
* @see UByte.valueOf(String)
|
||||
*/
|
||||
public static
|
||||
UByte ubyte(String value) throws NumberFormatException {
|
||||
return value == null ? null : UByte.valueOf(value);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned byte</code> by masking it with <code>0xFF</code>
|
||||
* i.e. <code>(byte) -1</code> becomes <code>(ubyte) 255</code>
|
||||
*
|
||||
* @see UByte#valueOf(byte)
|
||||
*/
|
||||
public static UByte ubyte(byte value) {
|
||||
return UByte.valueOf(value);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned byte</code>
|
||||
*
|
||||
* @throws NumberFormatException If <code>value</code> is not in the range
|
||||
* of an <code>unsigned byte</code>
|
||||
* @see UByte#valueOf(short)
|
||||
*/
|
||||
public static UByte ubyte(short value) throws NumberFormatException {
|
||||
return UByte.valueOf(value);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned byte</code>
|
||||
*
|
||||
* @throws NumberFormatException If <code>value</code> is not in the range
|
||||
* of an <code>unsigned byte</code>
|
||||
* @see UByte#valueOf(short)
|
||||
*/
|
||||
public static UByte ubyte(int value) throws NumberFormatException {
|
||||
return UByte.valueOf(value);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned byte</code>
|
||||
*
|
||||
* @throws NumberFormatException If <code>value</code> is not in the range
|
||||
* of an <code>unsigned byte</code>
|
||||
* @see UByte#valueOf(short)
|
||||
*/
|
||||
public static UByte ubyte(long value) throws NumberFormatException {
|
||||
return UByte.valueOf(value);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned short</code>
|
||||
*
|
||||
* @throws NumberFormatException If <code>value</code> does not contain a
|
||||
* parsable <code>unsigned short</code>.
|
||||
* @see UShort#valueOf(String)
|
||||
*/
|
||||
public static
|
||||
UShort ushort(String value) throws NumberFormatException {
|
||||
return value == null ? null : UShort.valueOf(value);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned short</code> by masking it with
|
||||
* <code>0xFFFF</code> i.e. <code>(short) -1</code> becomes
|
||||
* <code>(ushort) 65535</code>
|
||||
*
|
||||
* @see UShort#valueOf(short)
|
||||
*/
|
||||
public static UShort ushort(short value) {
|
||||
return UShort.valueOf(value);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned short</code>
|
||||
*
|
||||
* @throws NumberFormatException If <code>value</code> is not in the range
|
||||
* of an <code>unsigned short</code>
|
||||
* @see UShort#valueOf(int)
|
||||
*/
|
||||
public static UShort ushort(int value) throws NumberFormatException {
|
||||
return UShort.valueOf(value);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned int</code>
|
||||
*
|
||||
* @throws NumberFormatException If <code>value</code> does not contain a
|
||||
* parsable <code>unsigned int</code>.
|
||||
* @see UInteger#valueOf(String)
|
||||
*/
|
||||
public static
|
||||
UInteger uint(String value) throws NumberFormatException {
|
||||
return value == null ? null : UInteger.valueOf(value);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned int</code> by masking it with
|
||||
* <code>0xFFFFFFFF</code> i.e. <code>(int) -1</code> becomes
|
||||
* <code>(uint) 4294967295</code>
|
||||
*
|
||||
* @see UInteger#valueOf(int)
|
||||
*/
|
||||
public static UInteger uint(int value) {
|
||||
return UInteger.valueOf(value);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned int</code>
|
||||
*
|
||||
* @throws NumberFormatException If <code>value</code> is not in the range
|
||||
* of an <code>unsigned int</code>
|
||||
* @see UInteger#valueOf(long)
|
||||
*/
|
||||
public static UInteger uint(long value) throws NumberFormatException {
|
||||
return UInteger.valueOf(value);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned long</code>
|
||||
*
|
||||
* @throws NumberFormatException If <code>value</code> does not contain a
|
||||
* parsable <code>unsigned long</code>.
|
||||
* @see ULong#valueOf(String)
|
||||
*/
|
||||
public static
|
||||
ULong ulong(String value) throws NumberFormatException {
|
||||
return value == null ? null : ULong.valueOf(value);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned long</code> by masking it with
|
||||
* <code>0xFFFFFFFFFFFFFFFF</code> i.e. <code>(long) -1</code> becomes
|
||||
* <code>(uint) 18446744073709551615</code>
|
||||
*
|
||||
* @see ULong#valueOf(long)
|
||||
*/
|
||||
public static ULong ulong(long value) {
|
||||
return ULong.valueOf(value);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an <code>unsigned long</code>
|
||||
*
|
||||
* @throws NumberFormatException If <code>value</code> is not in the range
|
||||
* of an <code>unsigned long</code>
|
||||
* @see ULong#valueOf(BigInteger)
|
||||
*/
|
||||
public static ULong ulong(BigInteger value) throws NumberFormatException {
|
||||
return ULong.valueOf(value);
|
||||
}
|
||||
|
||||
/**
|
||||
* No instances
|
||||
*/
|
||||
private Unsigned() {}
|
||||
}
|
||||
@ -42,7 +42,6 @@ import org.lwjgl.util.xxhash.XXHash;
|
||||
import org.slf4j.Logger;
|
||||
|
||||
import dorkbox.os.OS;
|
||||
import dorkbox.util.bytes.LittleEndian;
|
||||
|
||||
/**
|
||||
* http://en.wikipedia.org/wiki/NSA_Suite_B http://www.nsa.gov/ia/programs/suiteb_cryptography/
|
||||
@ -262,6 +261,25 @@ class Crypto {
|
||||
}
|
||||
}
|
||||
|
||||
static
|
||||
int toInt(final byte[] bytes) {
|
||||
int number = 0;
|
||||
|
||||
switch (bytes.length) {
|
||||
default:
|
||||
case 4:
|
||||
number |= (bytes[3] & 0xFF) << 24;
|
||||
case 3:
|
||||
number |= (bytes[2] & 0xFF) << 16;
|
||||
case 2:
|
||||
number |= (bytes[1] & 0xFF) << 8;
|
||||
case 1:
|
||||
number |= (bytes[0] & 0xFF) << 0;
|
||||
}
|
||||
|
||||
return number;
|
||||
}
|
||||
|
||||
/**
|
||||
* Specifically, to return the hash of the ALL files/directories inside the jar, minus the action specified (LGPL) files.
|
||||
*/
|
||||
@ -309,7 +327,7 @@ class Crypto {
|
||||
hasAction = true;
|
||||
|
||||
// we have an ACTION describing how it was compressed, etc
|
||||
int fileAction = LittleEndian.Int_.from(new byte[] {extraData[5], extraData[6], extraData[7], extraData[8]});
|
||||
int fileAction = toInt(new byte[] {extraData[5], extraData[6], extraData[7], extraData[8]});
|
||||
|
||||
if ((fileAction & action) != action) {
|
||||
okToHash = true;
|
||||
|
||||
@ -1,211 +0,0 @@
|
||||
/*
|
||||
* Copyright 2016 dorkbox, llc
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package dorkbox.util.javaFx;
|
||||
|
||||
|
||||
import java.lang.reflect.Method;
|
||||
import java.security.AccessController;
|
||||
import java.security.PrivilegedAction;
|
||||
|
||||
import org.slf4j.LoggerFactory;
|
||||
|
||||
import dorkbox.os.OS;
|
||||
import dorkbox.util.swt.Swt;
|
||||
|
||||
/**
|
||||
* Utility methods for JavaFX.
|
||||
* <p>
|
||||
* We use reflection for these methods so that we can compile everything under a version of Java that might not have JavaFX.
|
||||
*/
|
||||
public
|
||||
class JavaFX {
|
||||
public final static boolean isLoaded;
|
||||
public final static boolean isGtk3;
|
||||
|
||||
|
||||
// Methods are cached for performance
|
||||
private static final Method dispatchMethod;
|
||||
private static final Method isEventThreadMethod;
|
||||
private static final Object isEventThreadObject;
|
||||
|
||||
|
||||
static {
|
||||
// There is a silly amount of redirection, simply because we have to be able to access JavaFX, but only if it's in use.
|
||||
// Since this class is the place other code interacts with, we can use JavaFX stuff if necessary without loading/linking
|
||||
// the JavaFX classes by accident
|
||||
|
||||
// We cannot use getToolkit(), because if JavaFX is not being used, calling getToolkit() will initialize it...
|
||||
// see: https://bugs.openjdk.java.net/browse/JDK-8090933
|
||||
|
||||
Class<?> javaFxLoggerClass = AccessController.doPrivileged(new PrivilegedAction<Class<?>>() {
|
||||
@Override
|
||||
public
|
||||
Class<?> run() {
|
||||
try {
|
||||
return Class.forName("com.sun.javafx.logging.PlatformLogger", true, ClassLoader.getSystemClassLoader());
|
||||
} catch (Exception ignored) {
|
||||
}
|
||||
try {
|
||||
return Class.forName("com.sun.javafx.logging.PlatformLogger", true, Thread.currentThread().getContextClassLoader());
|
||||
} catch (Exception ignored) {
|
||||
}
|
||||
return null;
|
||||
}
|
||||
});
|
||||
|
||||
|
||||
boolean isJavaFxLoaded_ = false;
|
||||
try {
|
||||
if (javaFxLoggerClass != null) {
|
||||
// this is important to use reflection, because if JavaFX is not being used, calling getToolkit() will initialize it...
|
||||
java.lang.reflect.Method m = ClassLoader.class.getDeclaredMethod("findLoadedClass", String.class);
|
||||
m.setAccessible(true);
|
||||
ClassLoader cl = ClassLoader.getSystemClassLoader();
|
||||
|
||||
// JavaFX Java7,8 is GTK2 only. Java9 can have it be GTK3 if -Djdk.gtk.version=3 is specified
|
||||
// see http://mail.openjdk.java.net/pipermail/openjfx-dev/2016-May/019100.html
|
||||
isJavaFxLoaded_ = (null != m.invoke(cl, "com.sun.javafx.tk.Toolkit")) || (null != m.invoke(cl, "javafx.application.Application"));
|
||||
}
|
||||
} catch (Throwable e) {
|
||||
LoggerFactory.getLogger(JavaFX.class).debug("Error detecting if JavaFX is loaded", e);
|
||||
}
|
||||
|
||||
boolean isJavaFxGtk3_ = false;
|
||||
if (isJavaFxLoaded_) {
|
||||
// JavaFX Java7,8 is GTK2 only. Java9 can MAYBE have it be GTK3 if `-Djdk.gtk.version=3` is specified
|
||||
// see
|
||||
// http://mail.openjdk.java.net/pipermail/openjfx-dev/2016-May/019100.html
|
||||
// https://docs.oracle.com/javafx/2/system_requirements_2-2-3/jfxpub-system_requirements_2-2-3.htm
|
||||
// from the page: JavaFX 2.2.3 for Linux requires gtk2 2.18+.
|
||||
|
||||
|
||||
if (OS.javaVersion >= 9) {
|
||||
// HILARIOUSLY enough, you can use JavaFX + SWT..... And the javaFX GTK version info SHOULD
|
||||
// be based on what SWT has loaded
|
||||
|
||||
// https://github.com/teamfx/openjfx-9-dev-rt/blob/master/modules/javafx.graphics/src/main/java/com/sun/glass/ui/gtk/GtkApplication.java
|
||||
|
||||
if (Swt.isLoaded && !Swt.isGtk3) {
|
||||
isJavaFxGtk3_ = AccessController.doPrivileged(new PrivilegedAction<Boolean>() {
|
||||
@Override
|
||||
public
|
||||
Boolean run() {
|
||||
String version = System.getProperty("jdk.gtk.version", "2");
|
||||
return "3".equals(version) || version.startsWith("3.");
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
isLoaded = isJavaFxLoaded_;
|
||||
isGtk3 = isJavaFxGtk3_;
|
||||
|
||||
|
||||
Method _isEventThreadMethod = null;
|
||||
Method _dispatchMethod = null;
|
||||
Object _isEventThreadObject = null;
|
||||
|
||||
if (isJavaFxLoaded_) {
|
||||
try {
|
||||
Class<?> clazz = Class.forName("javafx.application.Platform");
|
||||
_dispatchMethod = clazz.getMethod("runLater", Runnable.class);
|
||||
|
||||
// JAVA 7
|
||||
// javafx.application.Platform.isFxApplicationThread();
|
||||
|
||||
// JAVA 8
|
||||
// com.sun.javafx.tk.Toolkit.getToolkit().isFxUserThread();
|
||||
if (OS.javaVersion <= 7) {
|
||||
clazz = Class.forName("javafx.application.Platform");
|
||||
_isEventThreadMethod = clazz.getMethod("isFxApplicationThread");
|
||||
_isEventThreadObject = null;
|
||||
} else {
|
||||
clazz = Class.forName("com.sun.javafx.tk.Toolkit");
|
||||
_isEventThreadMethod = clazz.getMethod("getToolkit");
|
||||
|
||||
_isEventThreadObject = _isEventThreadMethod.invoke(null);
|
||||
_isEventThreadMethod = _isEventThreadObject.getClass()
|
||||
.getMethod("isFxUserThread", (java.lang.Class<?>[])null);
|
||||
}
|
||||
} catch (Throwable e) {
|
||||
LoggerFactory.getLogger(JavaFX.class).error("Cannot initialize JavaFX", e);
|
||||
}
|
||||
}
|
||||
|
||||
dispatchMethod = _dispatchMethod;
|
||||
isEventThreadMethod = _isEventThreadMethod;
|
||||
isEventThreadObject = _isEventThreadObject;
|
||||
}
|
||||
|
||||
public static
|
||||
void dispatch(final Runnable runnable) {
|
||||
// javafx.application.Platform.runLater(runnable);
|
||||
|
||||
try {
|
||||
dispatchMethod.invoke(null, runnable);
|
||||
} catch (Throwable e) {
|
||||
LoggerFactory.getLogger(JavaFX.class)
|
||||
.error("Unable to execute JavaFX runLater(). Please create an issue with your OS and Java " +
|
||||
"version so we may further investigate this issue.");
|
||||
}
|
||||
}
|
||||
|
||||
public static
|
||||
boolean isEventThread() {
|
||||
// JAVA 7
|
||||
// javafx.application.Platform.isFxApplicationThread();
|
||||
|
||||
// JAVA 8
|
||||
// com.sun.javafx.tk.Toolkit.getToolkit().isFxUserThread();
|
||||
|
||||
try {
|
||||
if (OS.javaVersion <= 7) {
|
||||
return (Boolean) isEventThreadMethod.invoke(null);
|
||||
} else {
|
||||
Class<?>[] args = null;
|
||||
//noinspection ConstantConditions
|
||||
return (Boolean) isEventThreadMethod.invoke(isEventThreadObject, (Object) args);
|
||||
}
|
||||
} catch (Throwable e) {
|
||||
LoggerFactory.getLogger(JavaFX.class)
|
||||
.error("Unable to check if JavaFX is in the event thread. Please create an issue with your OS and Java " +
|
||||
"version so we may further investigate this issue.");
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
public static
|
||||
void onShutdown(final Runnable runnable) {
|
||||
// com.sun.javafx.tk.Toolkit.getToolkit()
|
||||
// .addShutdownHook(runnable);
|
||||
|
||||
try {
|
||||
Class<?> clazz = Class.forName("com.sun.javafx.tk.Toolkit");
|
||||
Method method = clazz.getMethod("getToolkit");
|
||||
Object o = method.invoke(null);
|
||||
Method m = o.getClass()
|
||||
.getMethod("addShutdownHook", Runnable.class);
|
||||
m.invoke(o, runnable);
|
||||
} catch (Throwable e) {
|
||||
LoggerFactory.getLogger(JavaFX.class)
|
||||
.error("Unable to insert shutdown hook into JavaFX. Please create an issue with your OS and Java " +
|
||||
"version so we may further investigate this issue.");
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -1,89 +0,0 @@
|
||||
/*
|
||||
* Copyright 2016 dorkbox, llc
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package dorkbox.util.swt;
|
||||
|
||||
import java.security.AccessController;
|
||||
import java.security.PrivilegedAction;
|
||||
|
||||
/**
|
||||
* Utility methods for SWT. SWT is always available for compiling, so it is not necessary to use reflection to compile it.
|
||||
* <p>
|
||||
* SWT system tray types are GtkStatusIcon trays (so we don't want to use them)
|
||||
*/
|
||||
public
|
||||
class Swt {
|
||||
public final static boolean isLoaded;
|
||||
public final static boolean isGtk3;
|
||||
private static final int version;
|
||||
|
||||
// NOTE: This class cannot have SWT **ANYTHING** in it
|
||||
static {
|
||||
// There is a silly amount of redirection, simply because we have to be able to access SWT, but only if it's in use.
|
||||
|
||||
// Since this class is the place other code interacts with, we can use SWT stuff if necessary without loading/linking
|
||||
// the SWT classes by accident
|
||||
|
||||
Class<?> swtErrorClass = AccessController.doPrivileged(new PrivilegedAction<Class<?>>() {
|
||||
@Override
|
||||
public
|
||||
Class<?> run() {
|
||||
try {
|
||||
return Class.forName("org.eclipse.swt.SWTError", true, ClassLoader.getSystemClassLoader());
|
||||
} catch (Exception ignored) {
|
||||
}
|
||||
try {
|
||||
return Class.forName("org.eclipse.swt.SWTError", true, Thread.currentThread().getContextClassLoader());
|
||||
} catch (Exception ignored) {
|
||||
}
|
||||
return null;
|
||||
}
|
||||
});
|
||||
|
||||
if (swtErrorClass != null) {
|
||||
// this means that SWT is available in the system at runtime. We use the error class because that DOES NOT intitialize anything
|
||||
boolean isSwtLoadable_ = SwtAccess.isLoadable();
|
||||
version = SwtAccess.getVersion();
|
||||
isLoaded = isSwtLoadable_;
|
||||
isGtk3 = isSwtLoadable_ && SwtAccess.isGtk3();
|
||||
|
||||
SwtAccess.init();
|
||||
} else {
|
||||
version = 0;
|
||||
isLoaded = false;
|
||||
isGtk3 = false;
|
||||
}
|
||||
}
|
||||
|
||||
public static
|
||||
int getVersion() {
|
||||
return version;
|
||||
}
|
||||
|
||||
public static
|
||||
void dispatch(final Runnable runnable) {
|
||||
SwtAccess.dispatch(runnable);
|
||||
}
|
||||
|
||||
public static
|
||||
boolean isEventThread() {
|
||||
return SwtAccess.isEventThread();
|
||||
}
|
||||
|
||||
public static
|
||||
void onShutdown(final Runnable runnable) {
|
||||
SwtAccess.onShutdown(runnable);
|
||||
}
|
||||
}
|
||||
@ -1,135 +0,0 @@
|
||||
package dorkbox.util.swt;
|
||||
|
||||
import java.lang.reflect.Method;
|
||||
import java.security.AccessController;
|
||||
import java.security.PrivilegedAction;
|
||||
|
||||
import org.eclipse.swt.SWT;
|
||||
import org.eclipse.swt.widgets.Display;
|
||||
|
||||
import dorkbox.os.OS;
|
||||
|
||||
public
|
||||
class SwtAccess {
|
||||
private static Display currentDisplay = null;
|
||||
private static Thread currentDisplayThread = null;
|
||||
|
||||
public static
|
||||
void init() {
|
||||
// we MUST save this on init, otherwise it is "null" when methods are run from the swing EDT.
|
||||
currentDisplay = org.eclipse.swt.widgets.Display.getCurrent();
|
||||
currentDisplayThread = currentDisplay.getThread();
|
||||
}
|
||||
|
||||
static
|
||||
boolean isLoadable() {
|
||||
return org.eclipse.swt.SWT.isLoadable();
|
||||
}
|
||||
|
||||
static
|
||||
void onShutdown(final org.eclipse.swt.widgets.Display currentDisplay, final Runnable runnable) {
|
||||
// currentDisplay.getShells() must only be called inside the event thread!
|
||||
|
||||
org.eclipse.swt.widgets.Shell shell = currentDisplay.getShells()[0];
|
||||
shell.addListener(org.eclipse.swt.SWT.Close, new org.eclipse.swt.widgets.Listener() {
|
||||
@Override
|
||||
public
|
||||
void handleEvent(final org.eclipse.swt.widgets.Event event) {
|
||||
runnable.run();
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
static
|
||||
int getVersion() {
|
||||
return SWT.getVersion();
|
||||
}
|
||||
|
||||
/**
|
||||
* This is only necessary for linux.
|
||||
*
|
||||
* @return true if SWT is GTK3. False if SWT is GTK2. If for some reason we DO NOT KNOW, then we return false (GTK2).
|
||||
*/
|
||||
static boolean isGtk3() {
|
||||
if (!OS.isLinux()) {
|
||||
return false;
|
||||
}
|
||||
|
||||
// required to use reflection, because this is an internal class!
|
||||
final String SWT_INTERNAL_CLASS = "org.eclipse.swt.internal.gtk.OS";
|
||||
Class<?> osClass = AccessController.doPrivileged(new PrivilegedAction<Class<?>>() {
|
||||
@Override
|
||||
public
|
||||
Class<?> run() {
|
||||
try {
|
||||
return Class.forName(SWT_INTERNAL_CLASS, true, ClassLoader.getSystemClassLoader());
|
||||
} catch (Exception ignored) {
|
||||
}
|
||||
|
||||
try {
|
||||
return Class.forName(SWT_INTERNAL_CLASS, true, Thread.currentThread().getContextClassLoader());
|
||||
} catch (Exception ignored) {
|
||||
}
|
||||
|
||||
return null;
|
||||
}
|
||||
});
|
||||
|
||||
|
||||
if (osClass == null) {
|
||||
return false;
|
||||
}
|
||||
|
||||
final Class<?> clazz = osClass;
|
||||
Method method = AccessController.doPrivileged(new PrivilegedAction<Method>() {
|
||||
@Override
|
||||
public
|
||||
Method run() {
|
||||
try {
|
||||
return clazz.getMethod("gtk_major_version");
|
||||
} catch (Exception e) {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
if (method == null) {
|
||||
return false;
|
||||
}
|
||||
|
||||
int version = 0;
|
||||
try {
|
||||
version = ((Number)method.invoke(osClass)).intValue();
|
||||
} catch (Exception ignored) {
|
||||
// this method doesn't exist.
|
||||
}
|
||||
|
||||
return version == 3;
|
||||
}
|
||||
|
||||
static
|
||||
void dispatch(final Runnable runnable) {
|
||||
currentDisplay.syncExec(runnable);
|
||||
}
|
||||
|
||||
static
|
||||
boolean isEventThread() {
|
||||
return Thread.currentThread() == currentDisplayThread;
|
||||
}
|
||||
|
||||
static
|
||||
void onShutdown(final Runnable runnable) {
|
||||
// currentDisplay.getShells() must only be called inside the event thread!
|
||||
if (isEventThread()) {
|
||||
SwtAccess.onShutdown(currentDisplay, runnable);
|
||||
} else {
|
||||
dispatch(new Runnable() {
|
||||
@Override
|
||||
public
|
||||
void run() {
|
||||
SwtAccess.onShutdown(currentDisplay, runnable);
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user