/***************************************************************************/
/*                                                                         */
/* (c) Copyright IBM Corp. 2006  All rights reserved.                      */
/*                                                                         */
/* This sample program is owned by International Business Machines         */
/* Corporation or one of its subsidiaries ("IBM") and is copyrighted       */
/* and licensed, not sold.                                                 */
/*                                                                         */
/* You may copy, modify, and distribute this sample program in any         */
/* form without payment to IBM,  for any purpose including developing,     */
/* using, marketing or distributing programs that include or are           */
/* derivative works of the sample program.                                 */
/*                                                                         */
/* The sample program is provided to you on an "AS IS" basis, without      */
/* warranty of any kind.  IBM HEREBY  EXPRESSLY DISCLAIMS ALL WARRANTIES,  */
/* EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED   */
/* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.     */
/* Some jurisdictions do not allow for the exclusion or limitation of      */
/* implied warranties, so the above limitations or exclusions may not      */
/* apply to you.  IBM shall not be liable for any damages you suffer as    */
/* a result of using, modifying or distributing the sample program or      */
/* its derivatives.                                                        */
/*                                                                         */
/***************************************************************************/
/*                                                                         */
/* Program name: mqhash                                                    */
/*                                                                         */
/* Description: Sample java program that uses java hash table for the      */
/*              setting of the WebSphere MQ client environment variables   */
/*                                                                         */
/***************************************************************************/
/*                                                                         */
/* Function: This program shows the use of a java hash table to set the    */
/*   WebSphere MQ environment.  It requires a queue name parameter and     */
/*   takes an optional queue manager name parameter.  The message that is  */
/*   put on the queue is hard-coded.  This program has been tested with    */
/*   WebSphere MQ v6.0.10 and Java 1.5.0.                                  */ 
/*                                                                         */
/***************************************************************************/
/*                                                                         */
/* Note: In order for this program to work, you'll need to change the      */
/*   MQC.CHANNEL_PROPERTY and MQC.HOST_NAME_PROPERTY to be the values that */
/*   are valid for your system.  The MQC.PORT_PROPERTY value can remain at */
/*   1414 if you are using the default port.                               */
/*                                                                         */
/***************************************************************************/
/*                                                                         */
/*  mqhash has 2 parameters:                                               */
/*    queue name (required)                                                */
/*    queue manager name (optional)                                        */
/*                                                                         */
/***************************************************************************/
import com.ibm.mq.*;            // Include the MQ package
import java.io.*;
import java.lang.*;

public class mqhash {

   private MQQueueManager qMgr;

   /**********************************************************/
   /* This program doesn't have any specific initialization. */
   /* If it did, it could go here.                           */
   /**********************************************************/
   public void init() {
      /* put specific initialization here.... */

   }

   public static void main (String args[]) throws IOException {
      /****************************************************************/
      /* Check to make sure that at least the queue name was entered. */
      /****************************************************************/
      if (args.length < 1) {
         System.out.println("Required parameter missing - queue name");
      } else {
         mqhash mySample = new mqhash();
         mySample.init();
         mySample.start(args);
      }
   }

   public void start(String args[]) {
      try {
         /*************************************************************/
         /* Create a hash table to hold the WebSphere MQ environment. */
         /* Note: Change values to be appropriate.                    */
         /*************************************************************/
         java.util.Hashtable env = new java.util.Hashtable();
         env.put(MQC.CHANNEL_PROPERTY, "your channel name here");
         env.put(MQC.HOST_NAME_PROPERTY, "your hostname here");
         env.put(MQC.PORT_PROPERTY, new Integer(1414));

         /********************************************************/
         /* If a queue manager name was entered, then connect to */
         /* it.  Otherwise, use the default queue manager.       */
         /********************************************************/
         if (args.length > 1) {
            qMgr  = new MQQueueManager(args[1], env);
         } else {
            qMgr  = new MQQueueManager("", env);
         }

         /***********************************************************/
         /* Open the queue, build the message, and put the message. */
         /***********************************************************/
         int openOptions = MQC.MQOO_OUTPUT;
         MQQueue myQueue = qMgr.accessQueue(args[0], openOptions,
                                            null, null, null);

         MQMessage myMessage = new MQMessage();
         myMessage.writeString("Environment set in hash table");
         myMessage.format = MQC.MQFMT_STRING;

         MQPutMessageOptions pmo = new MQPutMessageOptions();
         myQueue.put(myMessage, pmo);

         /**********************************************************/
         /* Close the queue and disconnect from the queue manager. */
         /**********************************************************/
         myQueue.close();
         qMgr.disconnect();
      } catch (MQException ex) {
          System.out.println("An MQ error occurred: " + ex.completionCode + " " +
                                                        ex.reasonCode);
      } catch (java.io.IOException ex) {
                 System.out.println("Java exception: " + ex);
      }
   }
}