IBM MQ example

2006-09-08

IBM MQ  example

package com.bulain.wasmq;

import org.apache.log4j.Logger;

import java.io.InputStream;
import java.util.Properties;

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.MQQueue;
import com.ibm.mq.MQQueueManager;

//----------------------------------------------
// ……
public class Main {
	/**
	 * Logger for this class
	 */
	private static final Logger logger = Logger.getLogger(Main.class);
	
	private String strExtraSendXmlFileName = "jndi.properties";
	private static Properties props;
	static {
		props = new Properties();
		props.put("mqHostName","10.240.13.81");
		props.put("mqPort","1414");
		props.put("mqCCSID","932");		
		props.put("mqUserName","mqadmin");
		props.put("mqPassword","Art515940");
		props.put("mqQManager","QM_mphch085");
		props.put("mqChannel","S_mphch085");
		props.put("mqLocalOutQueue","clq_default_mphch085");
		props.put("mqLocalInQueue","clq_default_mphch085");		
	}
	

	public static void main(String[] args) {
		Main test = new Main();
		test.send();
		test.recieve();
	}

	public void send() {
		// MQ?送
		try {
			// 建立MQ客?端?用上下文?境
			MQEnvironment.hostname = props.getProperty("mqHostName"); // 服?器ip地址
			MQEnvironment.port = Integer.parseInt(props.getProperty("mqPort")); // 服?器MQ服?端口
			MQEnvironment.CCSID = Integer.parseInt(props.getProperty("mqCCSID")); // 服?器MQ服?使用的??
			MQEnvironment.channel = props.getProperty("mqChannel"); // 服?器?接通道名
			MQEnvironment.userID = props.getProperty("mqUserName"); // MQ服?用?名
			MQEnvironment.password = props.getProperty("mqPassword");

			// ?接?列管理器
			MQQueueManager qMgr = new MQQueueManager(props.getProperty("mqQManager"));
			int openOptions = MQC.MQOO_OUTPUT | MQC.MQOO_FAIL_IF_QUIESCING;
			// 打?MQ?列
			MQQueue q = qMgr.accessQueue(props.getProperty("mqLocalOutQueue"), openOptions);
			//FileInputStream fins = new FileInputStream(new File(strExtraSendXmlFileName));
			InputStream fins = ClassLoader.getSystemResourceAsStream(strExtraSendXmlFileName);
			byte[] data = new byte[fins.available()];
			fins.read(data);
			fins.close();
			MQMessage msg = new MQMessage();
			msg.write(data);
			// 放入消息
			q.put(msg);
			// ???列
			q.close();
			// ???列管理器
			qMgr.disconnect();
		} catch (MQException e) {
			logger.error(e);
			e.printStackTrace();
		} catch (Exception e) {
			logger.error(e);
			e.printStackTrace();
		}
	}

	public void recieve() {
		// MQ接收
		try {
			// 建立MQ客?端?用上下文?境
			MQEnvironment.hostname = props.getProperty("mqHostName"); // 服?器ip地址
			MQEnvironment.port = Integer.parseInt(props.getProperty("mqPort")); // 服?器MQ服?端口
			MQEnvironment.CCSID = Integer.parseInt(props.getProperty("mqCCSID")); // 服?器MQ服?使用的??
			MQEnvironment.channel = props.getProperty("mqChannel"); // 服?器?接通道名
			MQEnvironment.userID = props.getProperty("mqUserName"); // MQ服?用?名
			MQEnvironment.password = props.getProperty("mqPassword");

			// ?接?列管理器
			MQQueueManager qMgr = new MQQueueManager(props.getProperty("mqQManager"));
			int openOptions = MQC.MQOO_INPUT_AS_Q_DEF | MQC.MQOO_FAIL_IF_QUIESCING;
			// 打?MQ?列
			MQQueue q = qMgr.accessQueue(props.getProperty("mqLocalInQueue"), openOptions);

			MQGetMessageOptions mgo = new MQGetMessageOptions();
			mgo.options |= MQC.MQGMO_NO_WAIT;

			MQMessage msg = new MQMessage();

			if ((msg = fetchOneMsg(q)) != null) {
				byte[] xmlData = new byte[msg.getDataLength()];
				msg.readFully(xmlData);
				logger.info(new String(xmlData));
			}
			// ???列
			q.close();
			// ???列管理器
			qMgr.disconnect();
		} catch (MQException e) {
			logger.error(e);
			e.printStackTrace();
		} catch (Exception e) {
			logger.error(e);
			e.printStackTrace();
		}
	}

	/**
	 * 从?列中取出一个消息
	 * 
	 * @param q
	 *            ?列名称
	 * @return
	 * @throws Exception
	 */
	private static MQMessage fetchOneMsg(MQQueue q) throws Exception {
		MQGetMessageOptions mgo = new MQGetMessageOptions();
		mgo.options |= MQC.MQGMO_NO_WAIT;
		MQMessage msg = new MQMessage();
		try {
			// ?取消息
			q.get(msg, mgo);
		} catch (MQException e) {
			return null;
		}
		return msg;
	}
}