transfer Objects between GWT and EJB

[ph09]

Hello,

I have got a question because of the architectur of my project.
At the one side there is a GWT Package with the Client Side and also a
Servlet to communicate with an EJB Project.
On the other Side there is a EJB Project with Session Beans and
Entities which schould be stored in a database and send between GWT
Client and the database. But I don't know how I can realize that. how
can I send an Object from my Session Bean to the GWT Servlet, because
the GWT Servlet don't know about the Entitities Classes.

Thats my Project Structur:

Entities + Session Bean:
http://pastebin.com/anAbCqgd

GWT Servlet:
http://pastebin.com/Ujjka9vT

I hope that it is clear where my problem is ;)

[Mark]

I dont know that you can do that directly. The best way I know of is
to create a pojo to represent the entity on the gwt side and then
translate back and forth between them.

[German Castellar]

Hello, 

I found for me a very good webpage  that help me a lot with please refer to the following

link: 

http://jamies-gwt.blogspot.com/2010/03/walkthrough-integrating-gwt-with-jboss.html

Please if this help you let me know.

Remember you have to create a proxy like the one specified in the following page:

http://code.google.com/intl/en/webtoolkit/doc/1.6/DevGuideServerCommunication.html#DevGuideMakingACall

Greets,

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[ph09]

Hi,

but how should I represent the entities on my gwt Side?
When I create a Company Pojo there on the gwt side I would't anyway
not be able to transfer it.
Or you mean I should use Wrapper on the Servlet to transfer the
Entites from my EJB Project to Pojo's from the gwt side?

[ph09]

Hi,

thank you for your answer, but this isn't my problem. I already know the links you have posted.
It wasn't a problem fpr me to send Strings between GWt client and a Session Bean and to store an entity in a database.
My problem is that I want to send Objects between GWT and EJB Project like the Example Company object above.
The communication between GWT servlet and Ejb project works fine. I can call methods and so on.

[Shalin Lazar]

Have you tried using Web Sevices? Call web methods receiving the objects via xml?

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