Moved all OS utils into their own class
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nathan
parent
25b6c60699
commit
66189e9155
347
Dorkbox-Util/src/dorkbox/util/OsUtil.java
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347
Dorkbox-Util/src/dorkbox/util/OsUtil.java
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/*
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* Copyright 2015 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;
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import java.io.BufferedReader;
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import java.io.ByteArrayOutputStream;
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import java.io.File;
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import java.io.FileReader;
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import java.io.PrintStream;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.Scanner;
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import dorkbox.util.process.ShellProcessBuilder;
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/**
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* Container for all OS specific tests and methods. These do not exist in OS.java, because of dependency issues (OS.java should not
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* depend on any native libraries)
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*/
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public
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class OsUtil {
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public static
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class Windows {
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/**
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* Version info at release.
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*
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* https://en.wikipedia.org/wiki/Comparison_of_Microsoft_Windows_versions
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*
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* Windows XP 5.1.2600 (2001-10-25)
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* Windows Server 2003 5.2.3790 (2003-04-24)
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*
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* Windows Home Server 5.2.3790 (2007-06-16)
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*
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* Windows Vista 6.0.6000 (2006-11-08)
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* Windows Server 2008 SP1 6.0.6001 (2008-02-27)
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* Windows Server 2008 SP2 6.0.6002 (2009-04-28)
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*
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*
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* Windows 7 6.1.7600 (2009-10-22)
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* Windows Server 2008 R2 6.1.7600 (2009-10-22)
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* Windows Server 2008 R2 SP1 6.1.7601 (?)
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*
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* Windows Home Server 2011 6.1.8400 (2011-04-05)
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*
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* Windows 8 6.2.9200 (2012-10-26)
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* Windows Server 2012 6.2.9200 (2012-09-04)
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*
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* Windows 8.1 6.3.9600 (2013-10-18)
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* Windows Server 2012 R2 6.3.9600 (2013-10-18)
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*
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* Windows 10 10.0.10240 (2015-07-29)
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* Windows 10 10.0.10586 (2015-11-12)
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* Windows 10 10.0.14393 (2016-07-18)
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*
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* Windows Server 2016 10.0.14393 (2016-10-12)
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*
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*
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* @return the [major][minor][patch] version of windows, ie: Windows Version 10.0.10586 -> [10][0][10586]
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*/
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public static
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int[] getVersion() {
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int[] version = new int[3];
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version[0] = 0;
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version[1] = 0;
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version[3] = 0;
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if (!OS.isWindows()) {
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return version;
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}
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try {
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ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(8196);
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PrintStream outputStream = new PrintStream(byteArrayOutputStream);
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// cmd.exe /c ver
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final ShellProcessBuilder shellVersion = new ShellProcessBuilder(outputStream);
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shellVersion.setExecutable("cmd.exe");
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shellVersion.addArgument("/c");
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shellVersion.addArgument("ver");
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shellVersion.start();
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String output = ShellProcessBuilder.getOutput(byteArrayOutputStream);
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if (!output.isEmpty()) {
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// should be: Microsoft Windows [Version 10.0.10586] or something
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if (output.contains("ersion ")) {
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int beginIndex = output.indexOf("ersion ") + 7;
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int endIndex = output.lastIndexOf("]");
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String versionString = output.substring(beginIndex, endIndex);
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String[] split = versionString.split("\\.",-1);
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if (split.length <= 3) {
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for (int i = 0; i < split.length; i++) {
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version[i] = Integer.parseInt(split[i]);
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}
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}
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}
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}
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} catch (Throwable ignored) {
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}
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return version;
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}
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}
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public static
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class Linux {
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public static
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String getInfo() {
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if (!OS.isLinux()) {
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return "";
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}
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try {
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List<File> releaseFiles = new LinkedList<File>();
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int totalLength = 0;
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File file = new File("/etc");
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if (file.isDirectory()) {
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File[] list = file.listFiles();
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if (list != null) {
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for (File f : list) {
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if (f.getName()
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.contains("release")) {
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// this is likely a file we are interested in.
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releaseFiles.add(f);
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totalLength += (int) file.length();
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}
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}
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}
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}
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if (totalLength > 0) {
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StringBuilder fileContents = new StringBuilder(totalLength);
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for (File releaseFile : releaseFiles) {
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Scanner scanner = new Scanner(releaseFile);
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BufferedReader reader = new BufferedReader(new FileReader(releaseFile));
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String currentLine;
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// NAME="Arch Linux"
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// PRETTY_NAME="Arch Linux"
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// ID=arch
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// ID_LIKE=archlinux
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// ANSI_COLOR="0;36"
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// HOME_URL="https://www.archlinux.org/"
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// SUPPORT_URL="https://bbs.archlinux.org/"
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// BUG_REPORT_URL="https://bugs.archlinux.org/"
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// similar on other distro's. ID is always the "key" to the distro
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while ((currentLine = reader.readLine()) != null) {
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fileContents.append(currentLine)
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.append(OS.LINE_SEPARATOR_UNIX);
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}
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}
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return fileContents.toString();
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}
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} catch (Throwable ignored) {
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}
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return "";
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}
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public static
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int getFedoraVersion() {
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try {
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String output = getInfo();
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// ID=fedora
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if (output.contains("ID=fedora\n")) {
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int fedoraVersion = 0;
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// should be: VERSION_ID=23\n or something
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int beginIndex = output.indexOf("VERSION_ID=") + 11;
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String fedoraVersion_ = output.substring(beginIndex, output.indexOf(OS.LINE_SEPARATOR_UNIX, beginIndex));
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return Integer.parseInt(fedoraVersion_);
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}
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} catch (Throwable ignored) {
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}
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return 0;
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}
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public static
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boolean getInfo(String id) {
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String output = getInfo();
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// ID=linuxmint/fedora/arch/ubuntu/etc
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return output.contains("ID=" + id +"\n");
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}
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public static
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boolean isArch() {
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return getInfo("arch");
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}
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public static
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boolean isElementaryOS() {
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try {
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String output = getInfo();
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// ID="elementary" (notice the extra quotes)
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return output.contains("ID=\"elementary\"\n") || output.contains("ID=elementary\n");
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} catch (Throwable ignored) {
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}
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return false;
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}
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public static
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boolean isLinuxMint() {
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return getInfo("linuxmint");
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}
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public static
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boolean isUbuntu() {
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return getInfo("ubuntu");
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}
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public static
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class DesktopEnv {
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public static
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boolean isGnome() {
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if (!OS.isLinux()) {
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return false;
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}
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try {
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ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(8196);
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PrintStream outputStream = new PrintStream(byteArrayOutputStream);
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// ps a | grep [g]nome-shell
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final ShellProcessBuilder shell = new ShellProcessBuilder(outputStream);
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shell.setExecutable("ps");
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shell.addArgument("a");
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shell.start();
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String output = ShellProcessBuilder.getOutput(byteArrayOutputStream);
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return output.contains("gnome-shell");
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} catch (Throwable ignored) {
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}
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return false;
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}
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public static
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String getGnomeVersion() {
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if (!OS.isLinux()) {
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return "";
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}
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try {
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ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(8196);
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PrintStream outputStream = new PrintStream(byteArrayOutputStream);
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// gnome-shell --version
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final ShellProcessBuilder shellVersion = new ShellProcessBuilder(outputStream);
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shellVersion.setExecutable("gnome-shell");
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shellVersion.addArgument("--version");
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shellVersion.start();
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String versionString = ShellProcessBuilder.getOutput(byteArrayOutputStream);
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if (!versionString.isEmpty()) {
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// GNOME Shell 3.14.1
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String version = versionString.replaceAll("[^\\d.]", "");
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if (version.length() > 0 && version.indexOf('.') > 0) {
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// should just be 3.14.1 or 3.20 or similar
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return version;
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}
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}
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} catch (Throwable ignored) {
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}
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return null;
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}
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// cannot represent '5.6.5' as a number, so we return just the first two decimal places instead
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public static
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double getPlasmaVersion() {
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String versionAsString = getPlasmaVersionFull();
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if (versionAsString.startsWith("0")) {
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return 0;
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}
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// this isn't the BEST way to do this, but it's simple and easy to understand
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String[] split = versionAsString.split("\\.",3);
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if (split.length > 2) {
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return Double.parseDouble(split[0] + "." + split[1]);
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} else {
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return Double.parseDouble(split[0]);
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}
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}
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// cannot represent '5.6.5' as a number, so we return a String instead
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public static
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String getPlasmaVersionFull() {
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if (!OS.isLinux()) {
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return "";
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}
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try {
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ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(8196);
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PrintStream outputStream = new PrintStream(byteArrayOutputStream);
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// plasma-desktop -v
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// plasmashell --version
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final ShellProcessBuilder shellVersion = new ShellProcessBuilder(outputStream);
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shellVersion.setExecutable("plasmashell");
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shellVersion.addArgument("--version");
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shellVersion.start();
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String output = ShellProcessBuilder.getOutput(byteArrayOutputStream);
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if (!output.isEmpty()) {
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// DEFAULT icon size is 16. KDE is bananas on what they did with tray icon scale
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// should be: plasmashell 5.6.5 or something
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String s = "plasmashell ";
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if (output.contains(s) && !output.contains("not installed")) {
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return output.substring(output.indexOf(s) + s.length(), output.length());
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}
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}
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} catch (Throwable e) {
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e.printStackTrace();
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}
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return "0";
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}
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}
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}
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}
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