一段同步接收和發送MQ消息的代碼

JAVA代碼: 

Java代碼  

1. package com.sdb.payment.core.mq;      
2.      
3. import org.apache.log4j.Logger;      
4.      
5. import com.ibm.mq.MQC;      
6. import com.ibm.mq.MQEnvironment;      
7. import com.ibm.mq.MQException;      
8. import com.ibm.mq.MQGetMessageOptions;      
9. import com.ibm.mq.MQMessage;      
10. import com.ibm.mq.MQPutMessageOptions;      
11. import com.ibm.mq.MQQueue;      
12. import com.ibm.mq.MQQueueManager;      
13.      
14. public class MessageQueueService {      
15.     private static Logger logger = Logger.getLogger(MessageQueueService.class);      
16.      
17.     private String hostname = "192.168.0.117";      
18.      
19.     private String channel = "CHL.SVRCONN";      
20.      
21.     private String queueManager = "QM_SERVER";      
22.      
23.     private String sendQueue = "OMP.QRMT";      
24.      
25.     private String recvQueue = "OMP.QLCA";      
26.      
27.     private int port = 24100;      
28.      
29.     private int ccsid = 1381;      
30.      
31.     private int failedCount = 5;      
32.      
33.     private int intervalTime = 1000;      
34.      
35.     public MessageQueueService() {      
36.         MQEnvironment.hostname = hostname;      
37.         MQEnvironment.channel = channel;      
38.         MQEnvironment.CCSID = ccsid;      
39.         MQEnvironment.port = port;      
40.     }      
41.      
42.     public String send(String sendMsg) throws Exception {      
43.         MQQueueManager qManager = new MQQueueManager(queueManager);      
44.               
45.         // send message      
46.         int openOptions = MQC.MQOO_OUTPUT | MQC.MQOO_FAIL_IF_QUIESCING;      
47.         MQQueue sQueue = qManager.accessQueue(sendQueue, openOptions);      
48.         MQPutMessageOptions pmo = new MQPutMessageOptions();      
49.         MQMessage send = new MQMessage();      
50.         send.write(sendMsg.getBytes());      
51.         System.out.println("send message : " + sendMsg);      
52.         sQueue.put(send, pmo);      
53.         sQueue.close();      
54.         System.out.println("send message Id");      
55.         for (int i = 0; i<send.messageId.length; i++) {      
56.             System.out.print(send.messageId[i]);      
57.         }      
58.         System.out.println();      
59.         System.out.println("send message Id");      
60.         // fetch message      
61.         openOptions = MQC.MQOO_INQUIRE + MQC.MQOO_FAIL_IF_QUIESCING      
62.                 + MQC.MQOO_INPUT_SHARED;      
63.         MQQueue rQueue = qManager.accessQueue(recvQueue, openOptions);      
64.         MQGetMessageOptions getOptions = new MQGetMessageOptions();      
65.         getOptions.options = MQC.MQGMO_WAIT;      
66.         getOptions.waitInterval = intervalTime;      
67.               
68.         MQMessage recvMsg = new MQMessage();      
69.         recvMsg.messageId = send.messageId;//這裏是關鍵，要保持接收的msgid跟發送的msgid值是同樣的，      
70.                                            //這樣就會根據msgId來取隊列的消息了，而不會取到別的消息      
71.         send.clearMessage();      
72.               
73.         boolean received = false;      
74.         int fetchCount = 0;      
75.         while (!received) {      
76.             try {      
77.                 fetchCount++;      
78.                 rQueue.get(recvMsg, getOptions);      
79.                 //logger.debug("the " + fetchCount + " time fetch message!");      
80.                 System.out.println("fetch message !!!");      
81.                 received = true;      
82.             } catch (MQException me) {      
83.                 if (me.reasonCode == MQException.MQRC_NO_MSG_AVAILABLE) {      
84.                     if (fetchCount > failedCount) {      
85.                         recvMsg.clearMessage();      
86.                         rQueue.close();      
87.                         qManager.disconnect();      
88.                         //logger.error("can't fetch message for " + me.getMessage());      
89.                         return null;      
90.                     }      
91.                 }      
92.             } catch (Exception ex) {      
93.                 recvMsg.clearMessage();      
94.                 rQueue.close();      
95.                 qManager.disconnect();      
96.                 //logger.error("can't fetch message for " + ex.getMessage());      
97.                 return null;      
98.             }      
99.         }      
100.               
101.         byte[] bMsg = new byte[recvMsg.getMessageLength()];      
102.         recvMsg.readFully(bMsg);      
103.         System.out.println("rec correlationId Id");      
104.         for (int i = 0; i<recvMsg.correlationId.length; i++) {      
105.             System.out.print(recvMsg.correlationId[i]);      
106.         }      
107.         System.out.println();      
108.         System.out.println("rec correlationId Id");      
109.         String recv = new String(bMsg);      
110.         recvMsg.clearMessage();      
111.         rQueue.close();      
112.               
113.         qManager.disconnect();      
114.               
115.         return recv;      
116.     }      
117.      
118.     public void setChannel(String channel) {      
119.         this.channel = channel;      
120.     }      
121.      
122.     public void setHostname(String hostname) {      
123.         this.hostname = hostname;      
124.     }      
125.      
126.     public void setQueueManager(String queueManager) {      
127.         this.queueManager = queueManager;      
128.     }      
129.      
130.     public void setPort(int port) {      
131.         this.port = port;      
132.     }      
133.      
134.     public void setIntervalTime(int intervalTime) {      
135.         this.intervalTime = intervalTime;      
136.     }      
137.      
138.     public void setFailedCount(int failedCount) {      
139.         this.failedCount = failedCount;      
140.     }      
141.      
142.     public void setRecvQueue(String recvQueue) {      
143.         this.recvQueue = recvQueue;      
144.     }      
145.      
146.     public void setSendQueue(String sendQueue) {      
147.         this.sendQueue = sendQueue;      
148.     }      
149. }