[jbossseam-issues] [JBoss JIRA] Commented: (JBSEAM-2289) Provide no-arg constructor for SeamExpressionFactory
Pete Muir (JIRA)
jira-events at lists.jboss.org
Tue Mar 11 08:20:58 EDT 2008
[ http://jira.jboss.com/jira/browse/JBSEAM-2289?page=comments#action_12402108 ]
Pete Muir commented on JBSEAM-2289:
-----------------------------------
What is the use case for this?
> Provide no-arg constructor for SeamExpressionFactory
> ----------------------------------------------------
>
> Key: JBSEAM-2289
> URL: http://jira.jboss.com/jira/browse/JBSEAM-2289
> Project: JBoss Seam
> Issue Type: Feature Request
> Components: EL
> Affects Versions: 2.0.0.GA
> Reporter: Florent Guilllaume
> Priority: Minor
>
> I'd like a public no-arg constructor to SeamExpressionFactory:
> public SeamExpressionFactory() {
> super(INSTANCE);
> }
> The reason is that I want a facelet view handler extending FaceletViewHandler with the Seam expression factory. To do that I would use:
> @Override
> protected Compiler createCompiler() {
> Compiler compiler = super.createCompiler();
> compiler.setFeature(Compiler.EXPRESSION_FACTORY, "org.jboss.seam.el.SeamExpressionFactory");
> return compiler;
> }
> But a Compiler.EXPRESSION_FACTORY expects a class with a no-arg constructor (see com.sun.facelets.compiler.Compiler#createExpressionFactory and #featureInstance).
> As a workaround I can use my own subclass of SeamExpressionFactory but the super constructor SeamExpressionFactory(ExpressionFactory expressionFactory), which I need to call, is package-private. So I have to use the package org.jboss.seam.el just to call that constructor, which is not nice.
> Just having a no-arg constructor would simplify all this.
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