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Java > Open Source Codes > org > apache > cocoon > components > ComponentLocatorImpl


1 /*
2  * Copyright 1999-2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package org.apache.cocoon.components;
17
18 import org.apache.avalon.framework.component.Component;
19 import org.apache.avalon.framework.component.ComponentException;
20 import org.apache.avalon.framework.component.ComponentManager;
21
22 /**
23  * This object is set to a {@link ParentAware} component and allows
24  * access to the parent component.
25  *
26  * @author <a HREF="mailto:cziegeler@apache.org">Carsten Ziegeler</a>
27  * @version CVS $Id: ComponentLocatorImpl.java 30932 2004-07-29 17:35:38Z vgritsenko $
28  */
29 public class ComponentLocatorImpl
30     implements ComponentLocator {
31
32     protected ComponentManager manager;
33     protected String JavaDoc role;
34     
35     public ComponentLocatorImpl(ComponentManager manager, String JavaDoc role) {
36         this.manager = manager;
37         this.role = role;
38     }
39     
40     public Object JavaDoc lookup()
41     throws ComponentException {
42         return this.manager.lookup( this.role );
43     }
44     
45     public void release(Object JavaDoc parent) {
46         this.manager.release( (Component) parent);
47     }
48 }
49
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