[jbossseam-issues] [JBoss JIRA] Created: (JBSEAM-2289) Provide no-arg constructor for SeamExpressionFactory

[Florent Guilllaume (JIRA)]

Provide no-arg constructor for SeamExpressionFactory
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                 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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