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From "Chad Schoettger (JIRA)" <beehive-...@incubator.apache.org>
Subject [jira] Created: (BEEHIVE-867) Enhance JAX-RPC Handler support in the service control
Date Tue, 02 Aug 2005 18:38:40 GMT
Enhance JAX-RPC Handler support in the service control
------------------------------------------------------

         Key: BEEHIVE-867
         URL: http://issues.apache.org/jira/browse/BEEHIVE-867
     Project: Beehive
        Type: Improvement
  Components: System Controls  
    Versions: TBD    
    Reporter: Chad Schoettger
     Fix For: TBD


This proposal has been discussed on the beehive dev list, for reference: 

Date: Jul 27, 2005 
Title: Design proposal for enhanced JAX-RPC handler functionality for the service control


One of the primary goals of this change would be to allow service control users to define
their own JAX-RPC handler chains for a service control. Currently the service control only
supports the HeaderHandler (see source tree) which can add SOAP headers to outgoing messages
and SOAP retrieve headers from incoming messages. There are two service control API's which
support this: Element[] getInputHeaders() and void setOutputHeaders(Element[])

I propose that these two API's be removed as well as the HeaderHandler class.

The API's would be replaced with a new annotation in the ServiceControl interface:

    public @interface HandlerConfigParams {
        String name();
        String value();
    }

    public @interface MessageHandler {
        Class handlerClass();
        HandlerConfigParams[] configParams() default {};
        String[] headers() default {};
    }
   
    @Retention(RetentionPolicy.RUNTIME)
    @Target({ElementType.TYPE})
    public @interface MessageHandlers {
        MessageHandler[] value();
    }

If this optional annotation is set service control would add the handlers to the HandlerRegistry
at runtime.  I'm thinking this would be a class-level annotation for the service control -
would it also be useful to be able to define this on a per method basis?

  


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