It seems I am caught in the heel that is framework integration once more: Seam
1.2.1, Trinidad 1.0.2, MyFaces 1.1.5
A page parameter set like this never makes it into the model:
<s:link view="/departments.xhtml" value="#{department.id}">
| <f:param name="departmentId" value="#{department.id}"/>
| </s:link>
It works in the seampay example (which does not use Trinidad). It also worked
when in my prototype I developed on 2.0.0. (CVS), JBoss 4.2.1, JSF RI and
Trinidad 1.0.2.
Now that I had to port my app to Seam 1.2.1, Tomcat 5.5.17 and MyFaces 1.1.5 it
stopped working.
I might have traced it down to a difference in Seam 1.2.1 / Seam 2.0.0 (I don't
understand the code good enough to be sure, though).
Seam 2.0.0 seems to apply request values unconditionally :
SeamPhaseListener.afterRestoreView
| -> Pages.instance().postRestore(facesContext);
| -> Pages.storeRequestParameterValuesInViewRoot(facesContext)
| -> Contexts.getPageContext().set( pageParameter.getName(), value );
Seam 1.2.1 only sets the parameter conditionally:
AbstractSeamPhaseListener.afterRestoreView
| ->
| if ( facesContext.getRenderResponse() )
| {
| Pages.instance().applyRequestParameterValues(facesContext);
| }
| else
| {
| Pages.instance().applyViewRootValues(facesContext);
| }
That condition never ever evaluates to true when I click the s:link.
Of course Trinidad 1.0.2 also must have something to do with it, since it works
with seampay.
Please, some expert, help me out of my misery.
There's a deadline approaching and I have spent a whole day on this issue.
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