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From "Sergey Beryozkin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CXF-7547) Problem to generate Java from WADL file when method id defined
Date Wed, 08 Nov 2017 14:29:00 GMT

    [ https://issues.apache.org/jira/browse/CXF-7547?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16244023#comment-16244023
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Sergey Beryozkin commented on CXF-7547:
---------------------------------------

I agree it is inconsistent. Well, if a user provided the id which is not the name of the HTTP
method then it's assumed the user showed some preference. When id is the same as the name
of the HTTP method it's not obvious if there's some preference there or not given that it
is a domain specific (not HTTP centric) interface which is generated. 

Let me think a bit more...

> Problem to generate Java from WADL file when method id defined 
> ---------------------------------------------------------------
>
>                 Key: CXF-7547
>                 URL: https://issues.apache.org/jira/browse/CXF-7547
>             Project: CXF
>          Issue Type: Bug
>          Components: JAX-RS
>    Affects Versions: 3.1.14, 3.2.1
>         Environment: All Plataforms
>            Reporter: Evaristo Wychoski Benfatti
>            Priority: Minor
>              Labels: patch
>
> The following code base
> {code:java}
> @Path("/baz")
> public class Baz {
> 	@GET
> 	@Path("/foo/{id}")
> 	@Produces("text/plain")
> 	public String get(@PathParam int id);
> }
> {code}
> generates a similar wadl as follow as result of {{Java2Wadl}} process:
> {code:xml}
> <application xmlns="http://wadl.dev.java.net/2009/02" xmlns:xs="http://www.w3.org/2001/XMLSchema">
>     <resources base="/baz" id="Baz">
>         <resource path="/foo/{id}" id="get">
>             <param name="id" style="template" type="xs:int"/>
>             <method name="GET" id="get">
>                 <response>
>                     <representation mediaType="text/plain">
>                         <param name="result" style="plain" type="xs:string"/>
>                     </representation>
>                 </response>
>             </method>
>         </resource>
>     </resources>
> </application>
> {code}
> When we run after the {{Wadl2Java}} process against previous wadl as input, the process
takes to the following java definition class as output:
> {code:java}
> @Path("/baz")
> public class Baz {
> 	@GET
> 	@Path("/foo/{id}")
> 	@Produces("text/plain")
> 	public String getId(@PathParam int id);
> }
> {code}
> According to {{tools/wadlto/jaxrs/src/main/java/org/apache/cxf/tools/wadlto/jaxrs/SourceGenerator.java}}
a wadl method element generates the path as complement to the java method name when it does
not have an id atribute or when it is the even value of name atribute.
> When id is not defined this behavior is right, but when both of atributes are defined
in order to get the even class used to generate the wadl file as result of {{Wadl2Java}} process
this is not.
> The solution to enable creating the even code is check if the id is present or not at
wadl file as follow:
> {code:java}
> 	// Line 796 instead of this
>         if (methodNameLowerCase.equals(genMethodName)) {
> 	// this code
>         if (methodNameLowerCase.equals(genMethodName) && methodNameLowerCase
== id) {
> {code}
> The above code check if methodNameLowerCase is the even reference of id, only in this
case, the normal behavior is applied.



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