69 lines
2.1 KiB
Java
69 lines
2.1 KiB
Java
/*
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* Copyright 2023 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.jna;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Set;
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import com.sun.jna.Library;
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import com.sun.jna.Native;
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import com.sun.jna.NativeLibrary;
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import com.sun.jna.win32.W32APIOptions;
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import dorkbox.os.OS;
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/**
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* Helper method to get the library info from JNA when registering via direct map
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*/
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public
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class JNA {
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/**
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* Gets the version number.
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*/
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public static
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String getVersion() {
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return "1.2";
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}
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static {
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// Add this project to the updates system, which verifies this class + UUID + version information
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dorkbox.updates.Updates.INSTANCE.add(JNA.class, "b416694a22ed4a1d9e612a1e9b6c76cf", getVersion());
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}
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public static
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NativeLibrary register(final String libraryName, final Class<?> clazz) throws IllegalArgumentException {
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final Map<String, Object> options = new HashMap<String, Object>();
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options.put(Library.OPTION_CLASSLOADER, clazz.getClassLoader());
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if (OS.INSTANCE.isWindows()) {
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Set<Map.Entry<String, Object>> entries = W32APIOptions.DEFAULT_OPTIONS.entrySet();
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for (Map.Entry<String, Object> entry : entries) {
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options.put(entry.getKey(), entry.getValue());
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}
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}
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final NativeLibrary library = NativeLibrary.getInstance(libraryName, options);
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if (library == null) {
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throw new IllegalArgumentException(libraryName + " doesn't exist or cannot be loaded.");
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}
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Native.register(clazz, library);
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return library;
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}
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}
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