JAVA操作IBM MQ

java往MQ里面发消息和取消息

package test;
	import java.io.IOException;   

import com.ibm.mq.MQC;   
import com.ibm.mq.MQEnvironment;   
import com.ibm.mq.MQException;   
import com.ibm.mq.MQGetMessageOptions;   
import com.ibm.mq.MQMessage;   
import com.ibm.mq.MQPutMessageOptions;   
import com.ibm.mq.MQQueue;   
import com.ibm.mq.MQQueueManager;  
import com.ibm.mq.constants.MQConstants;
	  
	public class test1{   
	     //定义队列管理器和队列的名称   
     private static String qmName;    
     private static String qName;   
     private static MQQueueManager qMgr;   
     static{   
         //设置环境:   
	         //MQEnvironment中包含控制MQQueueManager对象中的环境的构成的静态变量,MQEnvironment的值的设定会在MQQueueManager的构造函数加载的时候起作用,   
	         //因此必须在建立MQQueueManager对象之前设定MQEnvironment中的值.   
         MQEnvironment.hostname="172.31.17.162";          //MQ服务器的IP地址         
         MQEnvironment.channel="SVRCONN_GW";              //服务器连接的通道   
         MQEnvironment.CCSID=1208;                      //服务器MQ服务使用的编码1381代表GBK、1208代表UTF(Coded Character Set Identifier:CCSID)   
         MQEnvironment.port=33333;                       //MQ端口   
         qmName = "QM_TEST";                          //MQ的队列管理器名称   
         qName = "TEST";                               //MQ远程队列的名称   
         try {   
             //定义并初始化队列管理器对象并连接    
             //MQQueueManager可以被多线程共享,但是从MQ获取信息的时候是同步的,任何时候只有一个线程可以和MQ通信。   
            qMgr = new MQQueueManager(qmName);   
        } catch (MQException e) {   
	            // TODO Auto-generated catch block   
	            System.out.println("初使化MQ出错");   
	            e.printStackTrace();   
        }    
	     }   
	     /**  
      * 往MQ发送消息  
      * @param message  
	      * @return  
      */  
     public static int sendMessage(String message){   
         int result=0;   
         try{      
             //设置将要连接的队列属性   
	             // Note. The MQC interface defines all the constants used by the WebSphere MQ Java programming interface    
	             //(except for completion code constants and error code constants).   
	             //MQOO_INPUT_AS_Q_DEF:Open the queue to get messages using the queue-defined default.   
             //MQOO_OUTPUT:Open the queue to put messages.   
             /*目标为远程队列,所有这里不可以用MQOO_INPUT_AS_Q_DEF属性*/  
             //int openOptions = MQC.MQOO_INPUT_AS_Q_DEF | MQC.MQOO_OUTPUT;   
	             /*以下选项可适合远程队列与本地队列*/  
             int openOptions = MQC.MQOO_OUTPUT | MQC.MQOO_FAIL_IF_QUIESCING;   
	             //连接队列    
             //MQQueue provides inquire, set, put and get operations for WebSphere MQ queues.    
             //The inquire and set capabilities are inherited from MQManagedObject.    
             /*关闭了就重新打开*/  
            if(qMgr==null || !qMgr.isConnected()){   
                qMgr = new MQQueueManager(qmName);   
	            }   
             MQQueue queue = qMgr.accessQueue(qName, openOptions);             
             //定义一个简单的消息   
             MQMessage putMessage = new MQMessage();    
             //将数据放入消息缓冲区   
             putMessage.writeUTF(message);     
             //设置写入消息的属性(默认属性)   
             MQPutMessageOptions pmo = new MQPutMessageOptions();              
             //将消息写入队列    
             queue.put(putMessage,pmo);    
             queue.close();   
         }catch (MQException ex) {    
             System.out.println("A WebSphere MQ error occurred : Completion code "    
             + ex.completionCode + " Reason code " + ex.reasonCode);    
             ex.printStackTrace();   
         }catch (IOException ex) {    
             System.out.println("An error occurred whilst writing to the message buffer: " + ex);    
         }catch(Exception ex){   
             ex.printStackTrace();   
         }finally{   
             try {   
	                qMgr.disconnect();   
            } catch (MQException e) {   
                e.printStackTrace();   
            }   
         }   
        return result;   
     }   
     /**  
      * 从队列中去获取消息,如果队列中没有消息,就会发生异常,不过没有关系,有TRY...CATCH,如果是第三方程序调用方法,如果无返回则说明无消息  
      * 第三方可以将该方法放于一个无限循环的while(true){...}之中,不需要设置等待,因为在该方法内部在没有消息的时候会自动等待。  
      * @return  
      */  
     public static String getMessage(){   
         String message=null;   
         try{               
	             //设置将要连接的队列属性   
	             // Note. The MQC interface defines all the constants used by the WebSphere MQ Java programming interface    
	             //(except for completion code constants and error code constants).   
	             //MQOO_INPUT_AS_Q_DEF:Open the queue to get messages using the queue-defined default.   
	             //MQOO_OUTPUT:Open the queue to put messages.   
	             int openOptions = MQC.MQOO_INPUT_AS_Q_DEF | MQC.MQOO_OUTPUT;   
	             MQMessage retrieve = new MQMessage();   
	             //设置取出消息的属性(默认属性)   
	             //Set the put message options.(设置放置消息选项)    
	             MQGetMessageOptions gmo = new MQGetMessageOptions();    
             gmo.options = gmo.options + MQC.MQGMO_SYNCPOINT;//Get messages under sync point control(在同步点控制下获取消息)    
	             gmo.options = gmo.options + MQC.MQGMO_WAIT;  // Wait if no messages on the Queue(如果在队列上没有消息则等待)    
	             gmo.options = gmo.options + MQC.MQGMO_FAIL_IF_QUIESCING;// Fail if Qeue Manager Quiescing(如果队列管理器停顿则失败)    
	             gmo.waitInterval = 1000 ;  // Sets the time limit for the wait.(设置等待的毫秒时间限制)    
	             /*关闭了就重新打开*/  
	            if(qMgr==null || !qMgr.isConnected()){   
	                qMgr = new MQQueueManager(qmName);   
	            }   
	             MQQueue queue = qMgr.accessQueue(qName, openOptions);    
	             // 从队列中取出消息   
	             queue.get(retrieve, gmo);
	             byte[] buf = new byte[retrieve.getMessageLength()];
	             retrieve.readFully(buf);
	                 
	             System.out.println("The message is: " + new String(buf));    
	             queue.close();   
	         }catch (MQException ex) {    
	             System.out.println("A WebSphere MQ error occurred : Completion code "    
	             + ex.completionCode + " Reason code " + ex.reasonCode);    
	         }catch (IOException ex) {    
	             System.out.println("An error occurred whilst writing to the message buffer: " + ex);    
	         }catch(Exception ex){   
	             ex.printStackTrace();   
	         }finally{   
	             try {   
	                qMgr.disconnect();   
	            } catch (MQException e) 
	            {   	                e.printStackTrace();   
	            }   
	         }   
	         return message;   
	     }   
	     public static void main(String args[]) throws InterruptedException {   
	         /*下面两个方法可同时使用,也可以单独使用*/  
	         //sendMessage("this is a test");
	    	 //System.out.println("jwh");
	    	 for (int i = 0; i < 100; i++) {
	    		 getMessage();
	    		 Thread.sleep(20000);
			}
	           
	         
	         
	     }   
	}  
	*
posted @ 2018-02-26 06:20  奈奈爱网球  阅读(1004)  评论(0编辑  收藏  举报