[jboss-jira] [JBoss JIRA] Created: (JBSEAM-354) Better support for JSF-style managed properties

[Adam Brod (JIRA)]

Better support for JSF-style managed properties
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                 Key: JBSEAM-354
                 URL: http://jira.jboss.com/jira/browse/JBSEAM-354
             Project: JBoss Seam
          Issue Type: Feature Request
          Components: JSF
    Affects Versions: 1.0.1
            Reporter: Adam Brod
            Priority: Minor


The @In annotation should support the same syntax as JSF managed properties.  That means that If I have this annotation in my Bean:

@In("#{param.fileId}")
Long fileId

Seam should automatically inject that property performing the correct JSF conversion.  In Shale I can do that with the @Value or @Property annotation.  It is very confusing that I need a specialized annotation that doesn't support the EL just for request parameters when JSF doesn't make that distinction.

I believe this could be implemented with a few small changes to Component.  Inside Component.getInstanceToInject(...), the logic which first checks to see if the name is an EL (line 1358 in Seam 1.0.1) could also check to see if the expression begins with "#{param.", if so, then it can call to Component.convertRequestParameter(...) to convert the type.

This is a small change to Component, but it makes the overall Seam API more consistent.  It allows me to use the EL anywhere I want.  I don't have to worry about using @In or @RequestParameter, I just use the EL.



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