soundplayer.java

Java编写的小游戏扫雷代码,可以在多种环境下运行

package org.nebula.media;

import java.awt.*;
import java.awt.font.*;
import java.awt.geom.*;
import java.awt.event.*;
import java.text.AttributedString;
import java.text.AttributedCharacterIterator;
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.table.*;
import javax.swing.event.*;
import javax.sound.midi.*;
import javax.sound.sampled.*;
import java.io.File;
import java.io.InputStream;
import java.io.FileInputStream;
import java.io.BufferedInputStream;
import java.util.Vector;
import java.net.URL;


public class SoundPlayer implements Runnable{
    Thread mThread;
    Sequencer sequencer;
    Object currentSound;

    public SoundPlayer(Object soundFile) {
		open();
		loadSound(soundFile);
	}


	private void open() {
		try {
			sequencer = MidiSystem.getSequencer();
		} catch (Exception ex) { ex.printStackTrace(); return; }
	}

	private void close() {
		currentSound = null;
		if (sequencer != null) {
			sequencer.close();
		}
	}

	private boolean loadSound(Object object) {
		if (object instanceof URL) {
			try {
				currentSound = AudioSystem.getAudioInputStream((URL) object);
			} catch(Exception e) {
				try {
					currentSound = MidiSystem.getSequence((URL) object);
				} catch (InvalidMidiDataException imde) {
					System.out.println("Unsupported audio file.");
					return false;
				} catch (Exception ex) {
					ex.printStackTrace();
					currentSound = null;
					return false;
				}
			}
		} else if (object instanceof File) {
			try {
				currentSound = AudioSystem.getAudioInputStream((File) object);
			} catch(Exception e1) {
				try {
					FileInputStream is = new FileInputStream((File) object);
					currentSound = new BufferedInputStream(is, 1024);
				} catch (Exception e3) {
					e3.printStackTrace();
					currentSound = null;
					return false;
				}
			}
		}

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

				/**
				* we can't yet open the device for ALAW/ULAW playback,
				* convert ALAW/ULAW to PCM
				*/
				if ((format.getEncoding() == AudioFormat.Encoding.ULAW) ||
						(format.getEncoding() == AudioFormat.Encoding.ALAW)){
					AudioFormat tmp = new AudioFormat(
							AudioFormat.Encoding.PCM_SIGNED,
							format.getSampleRate(),
							format.getSampleSizeInBits() * 2,
							format.getChannels(),
							format.getFrameSize() * 2,
							format.getFrameRate(),
							true);
					stream = AudioSystem.getAudioInputStream(tmp, stream);
					format = tmp;
				}
				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) {
				ex.printStackTrace();
				currentSound = null;
				return false;
			}
		} else if (currentSound instanceof Sequence || currentSound instanceof BufferedInputStream) {
			try {
				sequencer.open();
				if (currentSound instanceof Sequence) {
					sequencer.setSequence((Sequence) currentSound);
				} else {
					sequencer.setSequence((BufferedInputStream) currentSound);
				}
			} catch (InvalidMidiDataException imde) {
				System.out.println("Unsupported audio file.");
				currentSound = null;
				return false;
			} catch (Exception ex) {
				ex.printStackTrace();
				currentSound = null;
				return false;
			}
		}

		return true;
	}

	private void playSound() {
		if (currentSound instanceof Sequence || currentSound instanceof BufferedInputStream && mThread != null) {
			sequencer.start();
			while (mThread != null) {
				try { mThread.sleep(99); } catch (Exception e) {break;}
			}
			sequencer.stop();
			sequencer.close();
		} else if (currentSound instanceof Clip && mThread != null) {
			Clip clip = (Clip) currentSound;
			clip.start();
			try { mThread.sleep(99); } catch (Exception e) { }
			while (clip.isActive() && mThread != null) {
				try { mThread.sleep(99); } catch (Exception e) {break;}
			}
			clip.stop();
		}
	}

	public void play() {
		mThread = new Thread(this);
		mThread.setName("Juke");
		mThread.start();
	}

	private void stop() {
		if (mThread != null) {
			mThread.interrupt();
		}
		mThread = null;
	}

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