How to include external classes in a GAE deployment?

Posted by kodra on Stack Overflow See other posts from Stack Overflow or by kodra
Published on 2010-05-05T02:29:26Z Indexed on 2010/05/05 2:38 UTC
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Filed under:

java

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gae-java

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gwt

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gwt-rpc

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jpa

I am using the Google plug-in for Eclipse and have the following problem:

The project consists of a GWT based GUI talking to a server running on GAE and using JPA. Additionally there is a project to migrate the legacy data to the new datastore. Since these both project use common data model, I have extracted a set of interfaces and enums into a separate project and set the other two projects dependencies on it.

The Java App project seems to work, but the GWT/GAE only works if I manually copy the classes into the WEB-INF/classes directory. Obviously this is only working when using the housted mode.

Anybody knows how to configure such a multi project setup in Eclipse?

Also, I am not sure if the multi project layout is the best solution. The set of common model objects is used in all 3 areas:

user client (GWT project compiling standard folders client and shared)
server side (providing services for GWT-RPC, uploading and different feeds)
migration application (posting the legacy data to the upload servlet)

What are the architectural options to keep the amount of duplicated classes on minimum?

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