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From "Sergey Beryozkin (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CXF-3797) WADL2Java Generator improvements
Date Wed, 05 Oct 2011 15:45:34 GMT

    [ https://issues.apache.org/jira/browse/CXF-3797?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13121063#comment-13121063
] 

Sergey Beryozkin commented on CXF-3797:
---------------------------------------

OK, I updated the generator to support multiple in XML representations for a given method.
By default, a single method with a single javax.xml.transform.Source in parameter will be
created in such cases - because on the server side it will produce a non-compliant code otherwise.
However if you have a case where the server is not implemented with JAX-RS and effectively
you are only interested in consuming that services then setting a "supportMultipleXmlReps"
switch will do it for you, I think it's a good compromise :-)

Many thanks for your input. I'm also going to blog about this effort. 
                
> WADL2Java Generator improvements
> --------------------------------
>
>                 Key: CXF-3797
>                 URL: https://issues.apache.org/jira/browse/CXF-3797
>             Project: CXF
>          Issue Type: Improvement
>          Components: JAX-RS
>            Reporter: Christos Fragoulides
>            Assignee: Sergey Beryozkin
>              Labels: patch
>             Fix For: 2.4.4, 2.5
>
>         Attachments: SourceGenerator.java, SourceGenerator_patch2.patch, wadl2java_patch.zip
>
>
> Given a relatively complex WADL file (such as the one provided by Rackspace Cloud Servers
API), JAX-RS WADL2Java Generator has many difficulties generating the proper Java classes.
> To name a few:
> - Generated method parameter names may be invalid. For example a header parameter named
'X-Auth-Token' will not have the dashes removed before being converted to a Java method parameter.
This results in invalid generated source.
> - @Produces annotation is not applied to methods, when the corresponding <response>
element contains more that one representation elements.
> - Resolved XML-schemata(from the <grammars> section of the WADL) may contain included
schemata.
> - The status attribute of the <response> element may contain a list of status codes.
The generator is expecting none or a single entry. Also the generator looks only for HTTP
status 200, while there are more valid codes, like 203.
> - The generated class names may collide with names of JAXB generated classes. For example
a resource named 'Limits' may need to import a JAXB generated class also named 'Limits' this
will trigger compilation errors.
> We were trying to use the generator in order to create and use CXF Client Proxies for
the RESTful web service mentioned above. This was necessary for us since we need to use the
API for managing Radiojar, the main project we are currently working on.
> I ended up checking out the source for JAX-RS Frontend and trying to fix the bugs in
SourceGenerator.
> Finally I managed to address the problems, so I will attach a patch to this issue, along
with the WADL file and the imported XSDs.

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