/*

  * 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.jsf;

 import java.util.Iterator;

 import javax.faces.component.UIComponent;

 import javax.faces.component.UIViewRoot;

 import javax.faces.view.facelets.FaceletContext;

 /**

  * This class is used in cases where alternate implementations of h:outputScript and h:outputStylesheet

  * components are used overriding a tag handler and providing a new tag name, but preserving the componentType

  * and rendererType. In those components, the relocation hack is done, but it is necessary to provide the 

  * additional code from the implementation.

  */

 public class ComponentRelocatableResourceHandler implements RelocatableResourceHandler

 {

     public static final ComponentRelocatableResourceHandler INSTANCE = new ComponentRelocatableResourceHandler();

     public UIComponent findChildByTagId(FaceletContext ctx, UIComponent parent,

             String id)

     {

         UIComponent c = null;

         UIViewRoot root = ComponentSupport.getViewRoot(ctx, parent);

         if (root.getFacetCount() > 0)

         {

             Iterator<UIComponent> itr = root.getFacets().values().iterator();

             while (itr.hasNext() && c == null)

             {

                 UIComponent facet = itr.next();

                 c = ComponentSupport.findChildByTagId(facet, id);

             }

         }

         return c;

     }

 }