ViewMetadata facelets compiler should not output DTD, <?xml or any
UIInstruction outside f:metadata
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Key: MYFACES-2493
URL: https://issues.apache.org/jira/browse/MYFACES-2493
Project: MyFaces Core
Issue Type: Task
Components: JSR-314
Affects Versions: 2.0.0-alpha
Reporter: Leonardo Uribe
Assignee: Leonardo Uribe
This does not have any side effects but originally, FaceletViewHandler used
this line on renderView method:
// build view - but not if we're in "buildBeforeRestore"
// land and we've already got a populated view. Note
// that this optimizations breaks if there's a "c:if" in
// the page that toggles as a result of request processing -
// should that be handled? Or
// is this optimization simply so minor that it should just
// be trimmed altogether?
if (!this.buildBeforeRestore ||
viewToRender.getChildren().isEmpty())
{
this.buildView(context, viewToRender);
}
Since we need to solve MYFACES-2483 Find a way to allow c:if work with partial
state saving enabled, we need a way to detect when a view is "updated", and
check if UIViewRoot has children is ideal.
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