Webspere MQ usage

import java.io.BufferedReader;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;



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;



public class MessageByMQ{  

     //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="58.2.217.60";          //MQ服务器的IP地址72        

         MQEnvironment.channel= "CLIENT.QM_ORANGE";              //服务器连接的通道 reciver  

         MQEnvironment.CCSID=1381;                      //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=1415;                       //MQ端口   send QM port

         qmName = "sendQM";                          //MQ的队列管理器名称   sendQM QM_ORANGE

         qName = "QM_APPLE";                               //MQ远程队列的名称   Q1 QM_APPLE

         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 fileName){  

         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);  

             //message = retrieve.readUTF();    

             String message2 = retrieve.readUTF();

             //System.out.println("===ss===="+message2.byteValue());

             //message = retrieve.readLine();

             System.out.println("The message is: " + message2); 

             /** 如果服务器上的文件是以BASE64Encoder编码形式创建的，则使用此段代码读取。

             BASE64Decoder decoder = new BASE64Decoder();// 建立解码类实例

             byte[] contentArray = decoder.decodeBuffer(message2);//解码生成byte数组

             String path = "E://receivedMqXML//" + fileName; 

             FileOutputStream out = new FileOutputStream(new File(path));//调动输出流把文件写到指定的位置 

             out.write(contentArray, 0, contentArray.length);

             out.close();

             */

             String path = "E://receivedMqXML//" + fileName; 

             FileOutputStream out = new FileOutputStream(new File(path));//调动输出流把文件写到指定的位置

             out.write(message2.getBytes());

             out.close();

             queue.close();  

         }catch (MQException ex) {  

         if(ex.completionCode==2&&ex.reasonCode==2033){

         System.out.println("There are no record from MQ server");

         }else{

         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 IOException {  

         /*下面两个方法可同时使用，也可以单独使用*/

     StringBuffer sb = new StringBuffer();     

     String fileName = "offer_example.xml";//MyEmployee.xml

     /**BASE64Encoder编码形式传送

     InputStream in = new FileInputStream("E://sentXML//" + fileName); // 输入流读取要发送的文件

     BASE64Encoder encoder = new BASE64Encoder();// 创建BASE64Encoder编码实例

     byte[] data = new byte[in.available()];

     in.read(data);

     String stringFile = encoder.encode(data);

     sb.append(stringFile);

     sendMessage(sb.toString());

     */


     /**以下为String方式传送*/

     InputStream in = new FileInputStream("E://sentXML//" + fileName); // 输入流读取要发送的文件

     String line;

     String stringFile = "";

     if(in != null) {

    try{

    BufferedReader reader = new BufferedReader(new InputStreamReader(in, "UTF-8"));

    while ((line = reader.readLine()) != null) {

    sb.append(line).append("/n");

    }    

    }finally {

    in.close();

    }

    stringFile = sb.toString();

     } else {

     stringFile = "";

     }


     //sendMessage(stringFile);

     

     getMessage(fileName);  

     }  

}