NativeLibraryLoader.java

package ps.eden.client;

import java.io.*;

/**
 * @author Jire
 */
public final class NativeLibraryLoader {
	
	private static final String[] NATIVE_LIBRARIES = {
			"nativewindow_", "nativewindow_awt", "newt", "gluegen-rt", "jogl_desktop", "jogl_mobile"
	};
	
	public static void loadNativeLibraries() {
		/* Determine native library information */
		String folder = "windows";
		String prefix = "";
		String suffix = ".dll";
		try {
			final String operSys = System.getProperty("os.name").toLowerCase();
			if (operSys.contains("mac")) {
				folder = "macosx-universal";
				prefix = "lib";
				suffix = ".jnilib";
				NATIVE_LIBRARIES[0] += "macosx";
			} else {
				if (operSys.contains("nix") || operSys.contains("nux")
						|| operSys.contains("aix") || operSys.contains("sunos")) {
					folder = operSys.contains("sunos") ? "solaris" : "linux";
					prefix = "lib";
					suffix = ".so";
					NATIVE_LIBRARIES[0] += "x11";
				} else NATIVE_LIBRARIES[0] += "win32";
				
				folder += "32".equals(System.getProperty("sun.arch.data.model")) ? "-i586" : "-amd64";
			}
		} catch (Throwable t) {
			t.printStackTrace();
		}
		
		for (String lib : NATIVE_LIBRARIES) {
			try {
				loadNativeLibrary("natives/" + folder + "/", prefix + lib + suffix);
			} catch (Throwable t) {
				t.printStackTrace();
			}
		}
	}
	
	public static void loadNativeLibrary(String folder, String file) throws IOException {
		final File _folder = new File(Configurations.getCachePath() + File.separator + folder);
		if (!_folder.exists()) _folder.mkdirs();
		final File _file = new File(_folder, file);
		
		String pathPrefix = "";
		InputStream in = ClassLoader.getSystemClassLoader().getResourceAsStream(folder + file);
		try {
			final FileOutputStream fos = new FileOutputStream(_file);
			try {
				final byte[] buffer = new byte[1024];
				int read = -1;
				
				while ((read = in.read(buffer)) != -1) fos.write(buffer, 0, read);
			} finally {
				fos.close();
			}
		} finally {
			in.close();
		}
		
		System.load(pathPrefix + _file.getAbsolutePath());
	}
	
}