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From "Andreas Benneke (JIRA)" <j...@apache.org>
Subject [jira] Created: (CXF-1645) ResourceInjector fails to inject into (Spring) proxies if resource to be in injected is subclassed
Date Wed, 11 Jun 2008 13:08:45 GMT
ResourceInjector fails to inject into (Spring) proxies if resource to be in injected is subclassed
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                 Key: CXF-1645
                 URL: https://issues.apache.org/jira/browse/CXF-1645
             Project: CXF
          Issue Type: Bug
          Components: Core
    Affects Versions: 2.0.6, 2.1, 2.1.1, 2.0.7
            Reporter: Andreas Benneke


If the target is a proxy ResourceInjector tries to resolve an appropriate setter method for
the resource using 

  Method targetMethod = getTarget().getClass().getMethod(method.getName(), new Class[]{resource.getClass()});
  targetMethod.invoke(getTarget(), resource);

This fails if the resource has been subclassed because getMethod() (still) does only exact
matches (see http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4287725).

This is (for example) the reason why injecting the WebServiceContext into a (Spring) proxy
does not work: The real implementation WebServiceContextImpl is always a subclass (see thread
http://www.mail-archive.com/cxf-user@incubator.apache.org/msg03050.html)

As a solutions, the ResourceInjector might implement it's own matching algorithm or e. g.
use Spring's MethodInvoker instead which already contains such an algorithm:

  MethodInvoker targetInvoker = new MethodInvoker();
  targetInvoker.setTargetObject(getTarget());
  targetInvoker.setTargetMethod(method.getName());
  targetInvoker.setArguments(new Object[]{resource});
  targetInvoker.prepare();
  targetInvoker.invoke();

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