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Java > Open Source Codes > org > apache > tapestry > binding > ListenerMethodBinding


1 // Copyright 2004, 2005 The Apache Software Foundation
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 package org.apache.tapestry.binding;
16
17 import org.apache.hivemind.Location;
18 import org.apache.hivemind.util.Defense;
19 import org.apache.tapestry.IComponent;
20 import org.apache.tapestry.coerce.ValueConverter;
21
22 /**
23  * @author Howard M. Lewis Ship
24  * @since 4.0
25  */
26 public class ListenerMethodBinding extends AbstractBinding
27 {
28     private final IComponent _component;
29
30     private final String JavaDoc _methodName;
31
32     public ListenerMethodBinding(IComponent component, String JavaDoc methodName, String JavaDoc description,
33             ValueConverter valueConverter, Location location)
34     {
35         super(description, valueConverter, location);
36
37         Defense.notNull(component, "component");
38         Defense.notNull(methodName, "methodName");
39
40         _component = component;
41         _methodName = methodName;
42     }
43
44     public Object JavaDoc getComponent()
45     {
46         return _component;
47     }
48
49     public Object JavaDoc getObject()
50     {
51         return _component.getListeners().getListener(_methodName);
52     }
53
54 }
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