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1. Introduction
   1.1. Project/Component Working Name:
	    WSDL Shared Library

   1.2. Name of Document Author/Supplier:

	Yunpeng Zhang:

   1.3. Date of This Document:

	April 3, 2007

2. Project Summary
   2.1. Project Description:
        This project is to provide API backward compatibility and WSDL namespace URI 
        forward compatibility in the JBI WSDL shared library.  This API backward   
        compatibility will let the old clients code compile with the new JBI WSDL
        shared library.  The URI forward compatibility will let us accomodate the
        upcoming change to the WSDL namespace URI from "2006/01/wsdl" to "ns/wsdl".

   2.2. Risks and Assumptions:
	No real risk is involved.

3. Business Summary
   3.1. Problem Area:

        After JBI WSDL shared library was upgrade in Feb 2007, some existing old client
        code could not compile with the new shared library.  In this project, in order 
        to support old client code, we are going to add back the deprecated methods 
        which had been removed.

	When users create WSDL file using "ns/wsdl" as part of the WSDL namespace URI,
        the JBI WSDL shared library should be able to support it.

4. Technical Description:
    4.1. Details:
	For WSDL shared library API backward compatibility, the deprecated API methods should be identified by 	comparing JBI public WSDL API interfaces between the versions before and after the WSDL upgrade.  These 	deprecated API methods will be implemented and will be added back to WSDL shared library.

	For WSDL namespace URI forward compatibility, more than one WSDL files should be created with "ns/wsdl" as 	part of namespace, and should be tested with JBI WSDL shared library.  The code level changes should be	determined by the testing results.
    4.2. Bug/RFE Number(s):
    4.3. In Scope:

    4.4. Out of Scope:
	Backward compatibility with 2004/08 from a parsing standpoint was considered, but we decided not to 	implement it at this time, since it may take much more time and we may benifit too much from it.
    4.5. Interfaces:

	No new interfaces will be introduced, but the JBI public WSDL interfaces under
	open-esb/runtime/base.src/com/sun/jbi/wsdl2 should be comapred between the versions before and after the 	WSDL upgrade in order to identify the deprecated methods.
    4.6. Doc Impact:

	There may be some information required in the JBI developer guide about the deprecated methods which will 	be add back to the WSDL shared library.

	We may also would like to mention in the doc that the WSDL shared library is going to support the current 	version of WSDL namespace URI which is "2006/01/wsdl", as well as the upcoming one which is "ns/wsdl".

    4.7. Admin/Config Impact:
    4.8. HA Impact:

    4.9. I18N/L10N Impact:

    4.10. Packaging & Delivery:

	None if we do not implement the backward compatibility with 2004/08 from a parsing standpoint.
    4.11. Security Impact:

    4.12. Dependencies:


    5. Reference Documents:

6. Resources and Schedule:
   6.1. Projected Availability:
	Auguest 2007

   6.2. Cost of Effort:

	Three weeks one person.

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