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


1 // Copyright 2005 The Apache Software Foundation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
14

15 package org.apache.tapestry.listener;
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17 import org.apache.tapestry.IRequestCycle;
18
19 /**
20  * An object, used by a {@link org.apache.tapestry.listener.ListenerMap}, to match requests
21  * (possibly with service parameters) to methods (possibly with arguments). Given a request, a
22  * (possibly null or empty) array of service parameters, and a target object (and its set of public
23  * void methods), the mapping will search for the mostly likely mapping. In order:
24  * <ul>
25  * <li>public void method(params) (where the method takes the same number of parameters as there
26  * are service parameters)
27  * <li>public void method(IRequestCycle, params)
28  * <li>public void method()
29  * <li>public void method(IRequestCycle)
30  * </ul>
31  *
32  * @author Howard M. Lewis Ship
33  * @since 4.0
34  */

35 public interface ListenerMethodInvoker
36 {
37     public void invokeListenerMethod(Object JavaDoc target, IRequestCycle cycle);
38 }
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