/*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you 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

  *

  *   http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing,

  * software distributed under the License is distributed on an

  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

  * KIND, either express or implied.  See the License for the

  * specific language governing permissions and limitations

  * under the License.

  */

 package org.apache.myfaces.view.facelets.tag.jstl.core;

 import java.io.IOException;

 import javax.el.ELException;

 import javax.faces.FacesException;

 import javax.faces.component.UIComponent;

 import javax.faces.view.facelets.FaceletContext;

 import javax.faces.view.facelets.FaceletException;

 import javax.faces.view.facelets.TagAttribute;

 import javax.faces.view.facelets.TagConfig;

 import javax.faces.view.facelets.TagHandler;

 import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFFaceletAttribute;

 import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFFaceletTag;

 import org.apache.myfaces.view.facelets.tag.ComponentContainerHandler;

 /**

  * Subtag of <choose> that includes its body if its

  * condition evalutes to 'true'

  * 

  * @author Jacob Hookom

  * @version $Id$

  */

 @JSFFaceletTag(name="c:when")

 public final class ChooseWhenHandler extends TagHandler implements ComponentContainerHandler

 {

     /**

      * The test condition that determines whether or not the

      * body content should be processed. 

      */

     @JSFFaceletAttribute(className="boolean",required=true)

     private final TagAttribute test;

     public ChooseWhenHandler(TagConfig config)

     {

         super(config);

         this.test = this.getRequiredAttribute("test");

     }

     public void apply(FaceletContext ctx, UIComponent parent) throws IOException, FacesException, FaceletException,

             ELException

     {

         this.nextHandler.apply(ctx, parent);

     }

     public boolean isTestTrue(FaceletContext ctx)

     {

         return this.test.getBoolean(ctx);

     }

 }