sound.java

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package kyodai;

import java.io.*;
import javax.sound.sampled.*;
import java.net.*;

/**
 * 控制音乐特效
 */
public class Sound implements Runnable {

	String currentName;
	Object currentSound;
	Thread thread;
	String[] filename = {
		"sound/select.wav", "sound/earse.wav", "sound/bomb.wav",
		"sound/refresh.wav", "sound/hint.wav"};

	public static int SELECT = 0;
	public static int EARSE = 1;
	public static int BOMB = 2;
	public static int REFRESH = 3;
	public static int HINT = 4;

	public Sound(int sound) {
		if (sound < 0 || sound > 4) {
			return;
		}

		URLClassLoader urlLoader = (URLClassLoader)this.getClass().getClassLoader();
		URL url = urlLoader.findResource(filename[sound]);

		try {
			currentSound = AudioSystem.getAudioInputStream(url);
		}
		catch (Exception ex1) {
			currentSound = null;
			return;
		}

		if (currentSound instanceof AudioInputStream) {
			try {
				AudioInputStream stream = (AudioInputStream) currentSound;
				AudioFormat format = stream.getFormat();

				DataLine.Info info = new DataLine.Info(
					Clip.class,stream.getFormat(),
					( (int) stream.getFrameLength() *
					 format.getFrameSize()));

				Clip clip = (Clip) AudioSystem.getLine(info);
				clip.open(stream);
				currentSound = clip;
			}
			catch (Exception ex) {
				currentSound = null;
				return;
			}
		}

		if (currentSound != null) {
			start();
		}
	}

	public void playSound() {
		if (currentSound instanceof Clip) {
			Clip clip = (Clip) currentSound;
			clip.start();
			try {
				thread.sleep(999);
			}
			catch (Exception e) {
			}
			while (clip.isActive() && thread != null) {
				try {
					thread.sleep(99);
				}
				catch (Exception e) {
					break;
				}
			}

			clip.stop();
			clip.close();
		}
		currentSound = null;
	}

	public void start() {
		thread = new Thread(this);
		thread.start();
	}

	public void run() {
		playSound();
		stop();
	}

	public void stop() {
		if (thread != null) {
			thread.interrupt();
		}
		thread = null;
	}
}