lpaudioplayer.java

一个很好的j2ms的元代码不是很专业的很适合初学者的哦

/**
 * <p>Title: lipeng</p>
 * <p>Description:
 * You cannot remove this copyright and notice.
 * You cannot use this file without the express permission of the author.
 * All Rights Reserved</p>
 * <p>Copyright: lizhenpeng (c) 2004</p>
 * <p>Company: LP&P</p>
 * @author lizhenpeng
 * @version 1.3.0
 * <p>
 * Revise History
 * 2004.07.12 Revise exception mode and exception description V1.1.0
 * 2004.07.20 Change audio loop mode to thread mode v1.2.0
 * 2004.07.20 revise mode to test pass mode V1.2.1
 * 2004.09.25 add a method replay media,add two data member to load resource,
 * add a method to load resource,
 * v1.3.0
 * </p>
 */

package lipeng;



import javax.microedition.media.*;
import java.io.*;

public class LPAudioPlayer
{
  private Player player;
  private String filename;
  private String format;

  public LPAudioPlayer(String filename,String format,boolean isLoad)
  {
    this.format = format;
    this.filename = filename;
    if(isLoad)
    {
      loadResource();
    }
  }
  public LPAudioPlayer(String filename,String format)
  {
    this.format = format;
    this.filename = filename;
  }


  public void loadResource()
  {
    try
    {
      InputStream is=getClass().getResourceAsStream("/"+filename);
      player=Manager.createPlayer(is,format);
    }
    catch(IOException ex)
    {
      System.out.println("can't load "+filename);
      System.out.println(ex.toString());
    }
    catch(MediaException ex)
    {
      System.out.println("can't create audio");
      System.out.println(ex.toString());
    }
  }

  public void setLoop()
  {
    if(player!=null)
    {
      player.setLoopCount(-1);
    }
  }

  public void stop()
  {
    if(player!=null)
    {
      try
      {
        player.stop();
      }
      catch(MediaException ex)
      {
        System.out.println("can't stop audio");
        System.out.println(ex.toString());
      }
    }
  }

  public void play()
  {
    if(player!=null)
    {
      try
      {
        player.realize();
        player.start();
      }
      catch(MediaException ex)
      {
        System.out.println("can't play audio");
        System.out.println(ex.toString());
      }
    }
  }
  public void replay()
  {
    close();
    System.gc();
    loadResource();
    play();
  }

  public void close()
  {
    if(player!=null)
    {
      player.close();
      player=null;
    }
  }
}