statehelper.java~1~

来自「这是各类实用工具的源码100例」· JAVA~1~ 代码 · 共 77 行

package jsounddemo2;


import javax.media.ControllerListener;
import javax.media.ControllerEvent;

import javax.media.*;
import javax.media.control.*;
import javax.media.datasink.*;
import javax.media.format.*;
import javax.media.protocol.*;

public class StateHelper implements ControllerListener {


  Player player = null;

  boolean configured = false;
  boolean realized = false;
  boolean prefetched = false;
  boolean failed = false;
  boolean closed = false;



  public StateHelper(Player player) {

    this.player=player;
    this.player.addControllerListener(this);
  }

  public boolean configure(int timeOutMillis){
    long startTime = System.currentTimeMillis();

    synchronized(this){
      if (player instanceof Processor){
        ((Processor)player).configure();
      }else{
        return false;
      }

      while (!configured && !failed){
        try{
          wait(timeOutMillis);
        }catch(InterruptedException err){

        }
        if (System.currentTimeMillis()-startTime>timeOutMillis)
          break;
      }
    }
    return this.configured;
  }


  public boolean realize(int timeOutMillis){
    long startTime = System.currentTimeMillis();
    synchronized(this){

      player.realize();
      while(!realized && !failed){
        try{
          wait(timeOutMillis);
        }catch(InterruptedException err){

        }
        if
      }
    }
  }
  public void controllerUpdate(ControllerEvent parm1) {
    /**@todo Implement this javax.media.ControllerListener method*/
    //throw new java.lang.UnsupportedOperationException("Method controllerUpdate() not yet implemented.");


  }
}