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This is the master POM file for Sun's Implementation of the JSF 2.1 Specification.
There is a newer version: 2.2.20
/*
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 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
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 * Copyright 2005-2007 The Apache Software Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
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 *     http://www.apache.org/licenses/LICENSE-2.0
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package javax.faces.view.facelets;

import java.io.IOException;

import javax.el.ELException;
import javax.faces.FacesException;
import javax.faces.component.UIComponent;

/**
 * This is the root class for markup
 * elements in Facelets VDL.  Facelets is XHTML, and XHTML is XML, and
 * the root unit of abstraction in XML is the element.  A
 * FaceletHandler instance represents an XML element at
 * runtime.  Two direct implementations exist to embody the contract for
 * more specific behavior.
 *
 * 

 * 

 * {@link CompositeFaceletHandler}

 * A container for other FaceletHandlers

 * {@link TagHandler}

 * The foundation class for FaceletHandlers associated
 * with markup in a Facelet document.

 * 

 * 

 * @since 2.0
 */
public interface FaceletHandler {

    /**
     * Process changes on a particular
     * UIComponent
     * 
     * @param ctx the current FaceletContext instance for this execution
     * @param parent the parent UIComponent to operate upon

     * @throws IOException if unable to load relativePath

     * @throws FaceletException if unable to parse the markup loaded from relativePath

     * @throws FacesException if unable to create child UIComponent instances

     * @throws ELException if any of the expressions in the markup
     * loaded from relativePath fail

     * @since 2.0

     */
    public void apply(FaceletContext ctx, UIComponent parent)
    throws IOException;
}