1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19
20 package org.apache.myfaces.view.facelets.tag.jsf;
21
22 import java.util.Iterator;
23 import javax.faces.component.UIComponent;
24 import javax.faces.component.UIViewRoot;
25 import javax.faces.view.facelets.FaceletContext;
26
27 /**
28 * This class is used in cases where alternate implementations of h:outputScript and h:outputStylesheet
29 * components are used overriding a tag handler and providing a new tag name, but preserving the componentType
30 * and rendererType. In those components, the relocation hack is done, but it is necessary to provide the
31 * additional code from the implementation.
32 */
33 public class ComponentRelocatableResourceHandler implements RelocatableResourceHandler
34 {
35 public static final ComponentRelocatableResourceHandler INSTANCE = new ComponentRelocatableResourceHandler();
36
37 public UIComponent findChildByTagId(FaceletContext ctx, UIComponent parent,
38 String id)
39 {
40 UIComponent c = null;
41 UIViewRoot root = ComponentSupport.getViewRoot(ctx, parent);
42 if (root.getFacetCount() > 0)
43 {
44 Iterator<UIComponent> itr = root.getFacets().values().iterator();
45 while (itr.hasNext() && c == null)
46 {
47 UIComponent facet = itr.next();
48 c = ComponentSupport.findChildByTagId(facet, id);
49 }
50 }
51 return c;
52 }
53
54 }