[原]如何使用java访问Websphere MQ

假设：MQ已经安装，并有可用的Queue Manager。

 

1、定义Channel和Queue

step 1 telnet到mq主机，并进入到../mqm/bin目录下，运行runmqsc

step 2 运行DEFINE CHANNEL(CHL_WAS_STUDY) CHLTYPE(SVRCONN)，创建Channel

step 3 运行DEFINE QLOCAL(Q_WAS_STUDY)，创建Queue

 

2、Java Application代码。Test.java

 

package com.leo.mq;

import com.ibm.mq.MQC;
import com.ibm.mq.MQEnvironment;
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;

public class Test {
    private static final String QUEUE_MANAGER_NAME = "QM_1";
   
    private static final String QUEUE_NAME = "Q_WAS_STUDY";
   
    private static final String CHANNEL_NAME = "CHL_WAS_STUDY";
   
    private static final String HOST_NAME = "192.168.0.10";   
    private static final int PORT = 1414;   
    private static final String USER_ID = "mqm";
    private static final String PASSWORD = "password";
   
   
    public Test(){
       
        MQEnvironment.hostname = HOST_NAME;
        MQEnvironment.channel = CHANNEL_NAME;
        MQEnvironment.port = PORT;
        MQEnvironment.userID = USER_ID;
        MQEnvironment.password = PASSWORD;
        MQEnvironment.CCSID=819;
       
//        MQEnvironment.properties.put(MQC.TRANSPORT_PROPERTY, MQC.);
    }

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        try{
            Test test = new Test();
            test.send();
            test.get();
        }catch(Exception e){
            e.printStackTrace();
        }
    }

    private void send() throws Exception{
        MQQueueManager manager = new MQQueueManager("QM_1");
       
        int openOptions = MQC.MQOO_OUTPUT | MQC.MQOO_FAIL_IF_QUIESCING;

        MQQueue queue = manager.accessQueue(QUEUE_NAME,openOptions,null,null,null);
       
        MQPutMessageOptions pmo = new MQPutMessageOptions();
       
        MQMessage outMsg = new MQMessage();
        outMsg.format = MQC.MQFMT_STRING;
       
        String msgString = "Test Message from PtpSender program ";
        outMsg.writeString(msgString);
        queue.put(outMsg, pmo);
        manager.commit();
       
        System.out.println(" The message has been Successfully put！/n");
    }
   
    private void get() throws Exception{
        MQQueueManager manager = new MQQueueManager("QM_1");
       
        int openOptions = MQC.MQOO_INPUT_SHARED | MQC.MQOO_FAIL_IF_QUIESCING;
       
        MQQueue queue = manager.accessQueue(QUEUE_NAME,openOptions,null,null,null);
       
        MQGetMessageOptions gmo = new MQGetMessageOptions();
       
        gmo.options = gmo.options + MQC.MQGMO_SYNCPOINT;
        gmo.options = gmo.options + MQC.MQGMO_WAIT;
        gmo.options = gmo.options + MQC.MQGMO_FAIL_IF_QUIESCING;
        gmo.waitInterval = 3000;
       
        MQMessage inMsg = new MQMessage();
        queue.get(inMsg, gmo);
        String msgString = inMsg.readString(inMsg.getMessageLength());
        System.out.println(" The Message from the Queue is : " + msgString);
        manager.commit();
        queue.close();
        manager.disconnect();
    }
}