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Java > Open Source Codes > org > apache > tapestry > listener > ListenerInvokerFilter


1 // Copyright 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.listener;
16
17 import org.apache.tapestry.IActionListener;
18 import org.apache.tapestry.IComponent;
19 import org.apache.tapestry.IRequestCycle;
20
21 /**
22  * Filter interface used with {@link org.apache.tapestry.listener.ListenerInvoker}. Implementations
23  * of this filter interface may be plugged into the listener method invocation pipeline. Typical
24  * applications involve handling transactions.
25  *
26  * @author Howard M. Lewis Ship
27  * @since 4.0
28  */
29 public interface ListenerInvokerFilter
30 {
31     public void invokeListener(IActionListener listener, IComponent source, IRequestCycle cycle,
32             ListenerInvoker delegate);
33 }
34
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