01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17: package org.apache.cocoon.components;
18:
19: import org.apache.avalon.framework.component.Component;
20: import org.apache.avalon.framework.component.ComponentException;
21: import org.apache.avalon.framework.component.ComponentManager;
22:
23: /**
24: * This object is set to a {@link ParentAware} component and allows
25: * access to the parent component.
26: *
27: * @author <a href="mailto:cziegeler@apache.org">Carsten Ziegeler</a>
28: * @version CVS $Id: ComponentLocatorImpl.java 433543 2006-08-22 06:22:54Z crossley $
29: */
30: public class ComponentLocatorImpl implements ComponentLocator {
31:
32: protected ComponentManager manager;
33: protected String role;
34:
35: public ComponentLocatorImpl(ComponentManager manager, String role) {
36: this .manager = manager;
37: this .role = role;
38: }
39:
40: public Object lookup() throws ComponentException {
41: return this .manager.lookup(this .role);
42: }
43:
44: public void release(Object parent) {
45: this .manager.release((Component) parent);
46: }
47: }
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