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package org.herac.tuxguitar.player.impl.midiport.oss;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import org.herac.tuxguitar.util.TGClassLoader;
public class JNILibraryLoader {
private static final String JNI_EXTENSION = ".jnilib";
private static final String JNI_TMP_PATH = (System.getProperty( "java.io.tmpdir" ) + File.separator);
public static void loadLibrary(String libname){
if(!JNILibraryLoader.loadFromClassPath(libname + JNI_EXTENSION)){
System.loadLibrary(libname);
}
}
private static boolean loadFromClassPath(String filename){
File file = new File(JNI_TMP_PATH + filename);
try{
if(!file.exists()){
InputStream inputStream = TGClassLoader.instance().getClassLoader().getResourceAsStream(filename);
if (inputStream != null) {
OutputStream outputStream = new FileOutputStream(file);
int read;
byte [] buffer = new byte [4096];
while ((read = inputStream.read (buffer)) != -1) {
outputStream.write(buffer, 0, read);
}
outputStream.close();
inputStream.close();
}
}
if(file.exists()){
System.load(file.getAbsolutePath());
return true;
}
}catch(Throwable throwable){
return false;
}finally{
if(file.exists()){
file.delete();
}
}
return false;
}
}
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