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[wtp-dev] WTP 2.0 - JSF Tools Project: Support for Unified Expression Language..

Hi,

 

The JSF Tools project is targeting support for JavaServer Faces 1.2 (Java 5 EE) in the WTP 2.0 release.  As a first step, we have identified the requirements for supporting the Unified _expression_ Language and have posted a document on the JSF Tools Project Wiki, http://wiki.eclipse.org/index.php/Unified_Expression_Language_Support

 

Please review and post your comments to the development mailing list, wtp-jsf-dev@xxxxxxxxxxx .

 

Thanks

Raghu Srinivasan

Project Lead – JSF Tools Project

 

Summary:

The JavaEE 5.0 specification defines a new "Unified _expression_ Language" that is to be used by both release 1.2 of Java Server Faces (JSF) and release 2.1 of Java Server Pages (JSP). The new EL language is intended to be completely independent of its container (i.e. JSP). A new Java API and _expression_ evaluation mechanism has been defined to support this container independence. The new evaluation mechanism, although mostly backward compatible, has a significant impact on the way tooling supports design time _expression_ evaluation for the purposes of such features as validation and auto-completion.

 

This document enumerates the changes to EL as they affect the JSP/JSF tooling and discusses framework changes that will be required to support Unified EL for Faces 1.2. Previous limitations of the framework and backward compatibility are also considered.


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