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Using C#, Java Webservices and JMS together

By , , 31 Mar 2006
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Introduction

There is no doubt that .NET is much advanced than SWING, So if you need to make a Desktop application. Best Choice is .NET. Java has some advantages in different areas on server side, one of them is JMS. (Many people will not agree). I have tried to use the power of .NET as a client and integrated Java Webserices asynchronously with it, More over I have used JMS on webservices side to send messages to .NET client. Its just the beginning of a small framework which can be extended to make a full-fledged .NET, JMS interaction framework

Background

I had a SWING client/JMS application in java. My other application was in .NET, which also needed to receive messages from the JMS.  

Technologies Used

  1. Asynchronous DOTNET Web services
  2.  DOTNET Delegates
  3. Java Webservices - AXIS 
  4. Java Messaging Service (JMS)
  5. HTTPConnectionFactory

How to run the application?

The Java web service is made using JBuilderX and is tested on JBoss 3.x. To run the application you need to run in the applications in the following sequence

  1. Java Web service.

    Open the project in JbuilderX and run the server with the configuration "Start Web Services Server"
  2. .NET Client

    Update the Web Reference
    Run the application using Visual Studio .NET 2003
  3. Java JMS message publisher class. JMSChatPublisher

    Open the project in JbuilderX and run the application with the configuration "Send messages via JMSPublisher"

    In the console window, write messages and press enter. The messages will go through the webservice and will be shown in the textBox in .NET application. Above also shown the image of what is described.

Architecture Diagram

Using the code

Java side code

NOTE: The code is not optimized and no design patterns are included in it.

The following code is written in ReceiverWebService which creates the JMSChatSubscriber and calls the getSynchronousMessage and waits for a response from the function.  

   public String getJMSChatPublisher() {

    JMSChatSubscriber jmsChatSubscriber = null;
    jmsChatSubscriber = new JMSChatSubscriber();

    return jmsChatSubscriber.getSynchronousMessage();

  }

.NET side code

Client calls the webservice asynchronously using  RegisterJMS and the response is received in the callback ServiceCallback. After the message is received using EndgetJMSChatPublisher. It again calls the RegisterJMS to wait for the next message

    
public void RegisterJMS(NotifyMessage function)
{    
    em = new ReceiverWebServiceService ();
    AsyncCallback cb = new AsyncCallback(ServiceCallback);
    IAsyncResult ar = em.BegingetJMSChatPublisher(cb,em);
    this.callFunction = function;
}
public void ServiceCallback(IAsyncResult ar)
{
    string str = em.EndgetJMSChatPublisher(ar);
    callFunction(str);
    RegisterJMS(callFunction);        
}
            

Conclusion

I have not implemented or showed the following cases, as they are pretty straight forward.
  1. .NET application as a sender -  Create a web method, which receives the message and send it to JMS Topic
  2. Java Receiver - Create a Java Class and it can wait for the message asynchronously.
    subscriber.setMessageListener(messageListerner);
    connection.start();
    // No need to do this as the message will be received in messageListerner</CODE>
    //subscriber.receive();
                        

Points of Interest

This application shows how we can receive messages from JMS to .NET Client, with out using any bridging technology, which is not only expensive but a big overhead.  I am not a very good writer, so I hope everything will be understood by the architecture diagrams and code Smile | :)

History

01-14-2005:

  • Original article

 

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

About the Authors

Armoghan Asif
Architect
Pakistan Pakistan
No Biography provided

farooqmian
Architect Catalisse
Pakistan Pakistan
No Biography provided

Comments and Discussions

 
GeneralMy vote of 4 PinmentorMd. Marufuzzaman2-Jun-12 2:39 
QuestionHow to run the web service in JBuilder Pinmembereyadalagha12-Nov-07 10:33 
GeneralInteresting approach... Pinmembermichael_rost11-Jun-07 9:20 
NewsTechnology Name PinmemberArmoghan Asif15-May-07 3:11 
Questionhow web service communicate with Alchemi Cross Platform Manager Pinmemberpunit singh9-May-07 23:21 
AnswerRe: how web service communicate with Alchemi Cross Platform Manager PinmemberArmoghan Asif10-May-07 22:20 
Generalcsil project challenge Pinmemberfawce12-Jul-06 10:08 
GeneralDo things simple! PinmemberVitaly Shelest22-Jun-06 3:11 
GeneralRe: Do things simple! PinmemberArmoghan Asif23-Jun-06 21:06 
QuestionCan not download! PinmemberPham Ngoc Quyen4-Mar-05 19:26 
AnswerRe: Can not download! PinmemberArmoghan Asif6-Mar-05 22:06 
GeneralRe: Can not download! PinmemberPrasad Khandekar18-Jul-05 20:46 
GeneralRe: Can not download! PinmemberArmoghan Asif20-Jul-05 19:07 
GeneralRe: Can not download! PinmemberPrasad Khandekar21-Jul-05 4:51 
GeneralRe: Can not download! PinmemberEyalSch213-Mar-06 8:43 
General...and easy to generalize! PinmemberDavid Dossot24-Jan-05 4:15 
GeneralRe: ...but there is a better approach for JBoss users! PinmemberDavid Dossot10-Jan-06 1:46 
GeneralInteresting approach... PinmemberDavid Dossot23-Jan-05 21:42 
GeneralRe: Interesting approach... PinmemberArmoghan Asif24-Jan-05 17:28 

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