JAVA操做IBM MQ

java往MQ裏面發消息和取消息java

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{   
         //定義隊列管理器和隊列的名稱   
     private static String qmName;    
     private static String qName;   
     private static MQQueueManager qMgr;   
     static{   
         //設置環境:   
             //MQEnvironment中包含控制MQQueueManager對象中的環境的構成的靜態變量,MQEnvironment的值的設定會在MQQueueManager的構造函數加載的時候起做用,   
             //所以必須在創建MQQueueManager對象以前設定MQEnvironment中的值.   
         MQEnvironment.hostname="172.31.17.162";          //MQ服務器的IP地址         
         MQEnvironment.channel="SVRCONN_GW";              //服務器鏈接的通道   
         MQEnvironment.CCSID=1208;                      //服務器MQ服務使用的編碼1381表明GBK、1208表明UTF(Coded Character Set Identifier:CCSID)   
         MQEnvironment.port=33333;                       //MQ端口   
         qmName = "QM_TEST";                          //MQ的隊列管理器名稱   
         qName = "TEST";                               //MQ遠程隊列的名稱   
         try {   
             //定義並初始化隊列管理器對象並鏈接    
             //MQQueueManager能夠被多線程共享,可是從MQ獲取信息的時候是同步的,任什麼時候候只有一個線程能夠和MQ通訊。   
            qMgr = new MQQueueManager(qmName);   
        } catch (MQException e) {   
                // TODO Auto-generated catch block   
                System.out.println("初使化MQ出錯");   
                e.printStackTrace();   
        }    
         }   
         /**  
      * 往MQ發送消息  
      * @param message  
          * @return  
      */  
     public static int sendMessage(String message){   
         int result=0;   
         try{      
             //設置將要鏈接的隊列屬性   
                 // 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.   
             /*目標爲遠程隊列,全部這裏不能夠用MQOO_INPUT_AS_Q_DEF屬性*/  
             //int openOptions = MQC.MQOO_INPUT_AS_Q_DEF | MQC.MQOO_OUTPUT;   
                 /*如下選項可適合遠程隊列與本地隊列*/  
             int openOptions = MQC.MQOO_OUTPUT | MQC.MQOO_FAIL_IF_QUIESCING;   
                 //鏈接隊列    
             //MQQueue provides inquire, set, put and get operations for WebSphere MQ queues.    
             //The inquire and set capabilities are inherited from MQManagedObject.    
             /*關閉了就從新打開*/  
            if(qMgr==null || !qMgr.isConnected()){   
                qMgr = new MQQueueManager(qmName);   
                }   
             MQQueue queue = qMgr.accessQueue(qName, openOptions);             
             //定義一個簡單的消息   
             MQMessage putMessage = new MQMessage();    
             //將數據放入消息緩衝區   
             putMessage.writeUTF(message);     
             //設置寫入消息的屬性(默認屬性)   
             MQPutMessageOptions pmo = new MQPutMessageOptions();              
             //將消息寫入隊列    
             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;   
     }   
     /**  
      * 從隊列中去獲取消息,若是隊列中沒有消息,就會發生異常,不過沒有關係,有TRY...CATCH,若是是第三方程序調用方法,若是無返回則說明無消息  
      * 第三方能夠將該方法放於一個無限循環的while(true){...}之中,不須要設置等待,由於在該方法內部在沒有消息的時候會自動等待。  
      * @return  
      */  
     public static String getMessage(){   
         String message=null;   
         try{               
                 //設置將要鏈接的隊列屬性   
                 // 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();   
                 //設置取出消息的屬性(默認屬性)   
                 //Set the put message options.(設置放置消息選項)    
                 MQGetMessageOptions gmo = new MQGetMessageOptions();    
             gmo.options = gmo.options + MQC.MQGMO_SYNCPOINT;//Get messages under sync point control(在同步點控制下獲取消息)    
                 gmo.options = gmo.options + MQC.MQGMO_WAIT;  // Wait if no messages on the Queue(若是在隊列上沒有消息則等待)    
                 gmo.options = gmo.options + MQC.MQGMO_FAIL_IF_QUIESCING;// Fail if Qeue Manager Quiescing(若是隊列管理器停頓則失敗)    
                 gmo.waitInterval = 1000 ;  // Sets the time limit for the wait.(設置等待的毫秒時間限制)    
                 /*關閉了就從新打開*/  
                if(qMgr==null || !qMgr.isConnected()){   
                    qMgr = new MQQueueManager(qmName);   
                }   
                 MQQueue queue = qMgr.accessQueue(qName, openOptions);    
                 // 從隊列中取出消息   
                 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 {   
             /*下面兩個方法可同時使用,也能夠單獨使用*/  
             //sendMessage("this is a test");
             //System.out.println("jwh");
             for (int i = 0; i < 100; i++) {
                 getMessage();
                 Thread.sleep(20000);
            }
               
             
             
         }   
    }  
    *
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