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This is the master POM file for Oracle's Implementation of the JSF 2.2 Specification.

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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * 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.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.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
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 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
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 */

package com.sun.faces.scripting.groovy;

import java.io.IOException;

import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.convert.ConverterException;
import javax.faces.render.Renderer;
import javax.faces.FacesException;

/**
 * Proxy instance for a groovy-based Renderers.  This allows the Renderer
 * to remain registered with the renderkit while picking up changes at runtime
 * from the associated groovy script.
 */
public class RendererProxy extends Renderer {

    private String scriptName;


    // ------------------------------------------------------------ Constructors


    public RendererProxy(String scriptName) {
        this.scriptName = scriptName;
    }


    // --------------------------------------------------- Methods from Renderer


    @Override
    public void decode(FacesContext context, UIComponent component) {
        getGroovyDelegate().decode(context, component);
    }

    @Override
    public void encodeBegin(FacesContext context, UIComponent component)
    throws IOException {
        getGroovyDelegate().encodeBegin(context, component);
    }

    @Override
    public void encodeChildren(FacesContext context, UIComponent component)
    throws IOException {
        getGroovyDelegate().encodeChildren(context, component);
    }

    @Override
    public void encodeEnd(FacesContext context, UIComponent component)
    throws IOException {
        getGroovyDelegate().encodeEnd(context, component);
    }

    @Override
    public String convertClientId(FacesContext context, String clientId) {
        return getGroovyDelegate().convertClientId(context, clientId);
    }

    @Override
    public boolean getRendersChildren() {
        return getGroovyDelegate().getRendersChildren();
    }

    @Override
    public Object getConvertedValue(FacesContext context,
                                    UIComponent component,
                                    Object submittedValue)
    throws ConverterException {
        return getGroovyDelegate().getConvertedValue(context, component, submittedValue);
    }


    // --------------------------------------------------------- Private Methods


    private Renderer getGroovyDelegate() {

        try {
            return ((Renderer) GroovyHelper.newInstance(scriptName));
        } catch (Exception e) {
            throw new FacesException(e);
        }

    }
}




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