Android Open Source - msghandle Message Event Source

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License

The source code is released under:

GNU General Public License

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Java Source Code

package com.anlong.msghandle.event;
//  w  w w  . ja v a  2s .  c  om
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.Vector;

import android.util.Log;

/**
 * @ClassName: MessageEventSource 
 * @Package: com.anlong.imsghandle.event
 * @company ShenZhen anlong Technology CO.,LTD.  
 * @Description: TODO ?????? 
 * @author anlong 
 * @date 2013-4-26 ????7:40:19 
 * @version V1.0
 */
public class MessageEventSource {

  private static MessageEventSource instance ;

  private Map<Short, Vector<MessageEventListener>> msgMap = new HashMap<Short, Vector<MessageEventListener>>();

  public static MessageEventSource getSingleton(){
    if(instance == null){
      instance = new MessageEventSource();
    }
    return instance;
  }

  /**
   * @Title: addLinstener 
   * @Description: TODO ??????
   * @author anlong 
   * @param  bCode
   * @param  listener     
   * @return void     
   * @throws
   */
  public synchronized void addLinstener(Short bCode, MessageEventListener listener){
    Vector<MessageEventListener> vector = msgMap.get(bCode);
    if(null == vector){
      vector = new Vector<MessageEventListener>();
      msgMap.put(bCode, vector);
    }

    if(!vector.contains(listener)){
      vector.addElement(listener);
    }
  }

  /**
   * @Title: removeLinstener 
   * @Description: TODO ??????
   * @author anlong 
   * @param bCode
   * @param listener     
   * @return void     
   * @throws
   */
  public synchronized void removeLinstener(Short bCode, MessageEventListener listener){
    if(msgMap!=null){
      Vector<MessageEventListener> vector = msgMap.get(bCode);
      if(vector != null){
        vector.removeElement(listener);
      }
    }
  }

  /**
   * @Title: removeLinstener 
   * @Description: TODO ??????
   * @author anlong 
   * @param listener     
   * @return void     
   * @throws
   */
  public synchronized void removeLinstener(MessageEventListener listener){
    if(msgMap!=null){
      Set<Short> keySet = msgMap.keySet();
      for (Short key : keySet) {
        Vector<MessageEventListener> vector = msgMap.get(key);
        vector.removeElement(listener);
      }
    }
  }

  /**
   * @Title: removeAllListener 
   * @Description: TODO ???????? 
   * @author anlong 
   * @param      
   * @return void     
   * @throws
   */
  public synchronized void removeAllListener(){
    if(msgMap!=null){
      msgMap.clear();
    }
  }


  /**
   * @Title: dispatcherEvent 
   * @Description: TODO ??????
   * @author anlong 
   * @param @param event     
   * @return void     
   * @throws
   */
  public void notifyMessageEvent(MessageEvent event) throws Exception {
    try {
      if(event!=null&&msgMap!=null){
        Vector<MessageEventListener> vector=msgMap.get(event.getbCode());
        if(vector!=null){
          Enumeration<MessageEventListener> enumeration= vector.elements();
          MessageEventListener listener = null;
          while (enumeration.hasMoreElements()) { 
            listener = enumeration.nextElement();
            listener.handleMessageEvent(event);
          }
        }else{
          Log.e("MessageEventSource", "????????"+event.getbCode()+" ");
        }
      }else{ 
        Log.e("MessageEventSource", "???????"+event.getbCode());
      }
    } catch (Exception e) {
      throw e;
    }
  }

}

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