EJB3.0 MDB 异步日志实现

EJB3.0 MDB 异步日志实现

/*
 * LogMessageBean.java
 * Copyright (C) 2009  <[email protected]>
 *
 *        This program is free software; you can redistribute it and/or modify
 *        it under the terms of the GNU General Public License as published by
 *      the Free Software Foundation; either version 2 of the License, or
 *     (at your option) any later version.
 *
 *       This program is distributed in the hope that it will be useful,
 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *        GNU General Public License for more details.
 *
  */
package  org.lambdasoft.mdb;

import  java.util.Map;

import  javax.ejb.ActivationConfigProperty;
import  javax.ejb.MessageDriven;
import  javax.jms.Message;
import  javax.jms.MessageListener;
import  javax.jms.ObjectMessage;
import  javax.naming.InitialContext;

import  org.lambdasoft.components.log.BaseLogSendInterface;
import  org.lambdasoft.components.log.OperateType;
import  org.lambdasoft.components.log.param.LogParam;
import  org.lambdasoft.utils.FileUtil;

/**
 * 日志添加消息
 * 
 *  @author  lei.tang ([email protected])
 * @date 2009-9-17
 *  @version  1.0
  */
@MessageDriven(activationConfig  =  {
        @ActivationConfigProperty(propertyName  =   " destinationType " , propertyValue  =  MessageConstant.DESTINATIONTYPE_QUEUE),
        @ActivationConfigProperty(propertyName  =   " acknowledgeMode " , propertyValue  =  MessageConstant.ACKNOWLEDGEMODE_AUTO),
        @ActivationConfigProperty(propertyName  =   " destination " , propertyValue  =  MessageConstant.DESTINATION_LOG) })
public   class  LogMessageBean  implements  MessageListener{
     public   static   final  String LOG_PREFIX  =   " LOG.TYPE.BEAN. " ;
     private  Map < String, String >  logConfigure;
     public   void  onMessage(Message message) {
         if ( ! (message  instanceof  ObjectMessage))
             return ;
        ObjectMessage objectMessage  =  (ObjectMessage)message;
         try  {
             if ( ! (objectMessage.getObject()  instanceof  LogParam))
                 return ;
            LogParam logParam  =  (LogParam)objectMessage.getObject();
            InitialContext context  =   new  InitialContext();
             for  (Object level : logParam.getOperateTypes()) {
                OperateType operateType  =  (OperateType)level;
                String ejbName  =  getConfigure().get(LOG_PREFIX  +  (operateType.toString()));
                Object sendComponent  =  context.lookup(ejbName);
                 if  (sendComponent  !=   null
                         &&  (sendComponent  instanceof  BaseLogSendInterface)) {
                    ((BaseLogSendInterface) sendComponent).log(logParam);
                }
            }
        }  catch  (Exception e) {
            e.printStackTrace();
             return ;
        }
    }
    
     private  Map < String, String >  getConfigure() {
        String propertiesName  =   " /org/lambdasoft/components/log/ejb/logConfigure.properties " ;
         try  {
            logConfigure  =  FileUtil.getPropertiesMap(LogMessageBean. class ,propertiesName);
             return  logConfigure;
        }  catch  (Exception e) {
             return   null ;
        }
    }
}

/*
 * MessageConstant.java
 * Copyright (C) 2009  <[email protected]>
 *
 *        This program is free software; you can redistribute it and/or modify
 *        it under the terms of the GNU General Public License as published by
 *      the Free Software Foundation; either version 2 of the License, or
 *     (at your option) any later version.
 *
 *       This program is distributed in the hope that it will be useful,
 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *        GNU General Public License for more details.
 *
  */
package  org.lambdasoft.mdb;

/**
 * 消息驱动bean定义
 * 
 *  @author  lei.tang ([email protected])
 * @date 2009-9-18
 *  @version  1.0
  */
public   class  MessageConstant {
     public   static   final  String DESTINATIONTYPE_QUEUE  =   " javax.jms.Queue " ;
     public   static   final  String ACKNOWLEDGEMODE_AUTO  =   " Auto-acknowledge " ; // 会话确认模式
    
     public   static   final  String DESTINATION_CACHE  =   " queue/AO_CACHE " ;
     public   static   final  String DESTINATION_LOG  =   " queue/AO_LOG " ;
     public   static   final  String DESTINATION_MAIL  =   " queue/AO_MAIL " ;
     public   static   final  String DESTINATION_CACHE_REFLASH  =   " queue/AO_CACHE_REFLASH " ;
    
     private  MessageConstant() {}
    
}

/*

 * LogMessage.java

 * Copyright (C) 2009  <[email protected]>

 *

 *     This program is free software; you can redistribute it and/or modify

 *     it under the terms of the GNU General Public License as published by

 *   the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 *   This program is distributed in the hope that it will be useful,

 *   but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 */

package org.lambdasoft.mdb;

import java.io.Serializable;

/**

 * 

 * @author lei.tang ([email protected])

 * @date 2009-9-17

 * @version 1.0

 */

public interface LogMessage extends Serializable{

String getType();

String getLevel();

String getLog();

}