JNA/src/dorkbox/jna/JNA.java

69 lines
2.1 KiB
Java

/*
* Copyright 2023 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.jna;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import com.sun.jna.Library;
import com.sun.jna.Native;
import com.sun.jna.NativeLibrary;
import com.sun.jna.win32.W32APIOptions;
import dorkbox.os.OS;
/**
* Helper method to get the library info from JNA when registering via direct map
*/
public
class JNA {
/**
* Gets the version number.
*/
public static
String getVersion() {
return "1.4";
}
static {
// Add this project to the updates system, which verifies this class + UUID + version information
dorkbox.updates.Updates.INSTANCE.add(JNA.class, "b416694a22ed4a1d9e612a1e9b6c76cf", getVersion());
}
public static
NativeLibrary register(final String libraryName, final Class<?> clazz) throws IllegalArgumentException {
final Map<String, Object> options = new HashMap<String, Object>();
options.put(Library.OPTION_CLASSLOADER, clazz.getClassLoader());
if (OS.INSTANCE.isWindows()) {
Set<Map.Entry<String, Object>> entries = W32APIOptions.DEFAULT_OPTIONS.entrySet();
for (Map.Entry<String, Object> entry : entries) {
options.put(entry.getKey(), entry.getValue());
}
}
final NativeLibrary library = NativeLibrary.getInstance(libraryName, options);
if (library == null) {
throw new IllegalArgumentException(libraryName + " doesn't exist or cannot be loaded.");
}
Native.register(clazz, library);
return library;
}
}