01: // Copyright 2006, 2007 The Apache Software Foundation
02: //
03: // Licensed under the Apache License, Version 2.0 (the "License");
04: // you may not use this file except in compliance with the License.
05: // You may obtain a copy of the License at
06: //
07: // http://www.apache.org/licenses/LICENSE-2.0
08: //
09: // 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.services;
16:
17: import java.io.IOException;
18:
19: /**
20: * A dispatcher is responsible for recognizing an incoming request. Dispatchers form an ordered
21: * chain of command, with each dispatcher responsible for recognizing requests that it can process.
22: */
23: public interface Dispatcher {
24: /**
25: * Analyzes the incoming request and performs an appropriate operation for each.
26: *
27: * @return true if a response was delivered, false if the servlet container should be allowed to
28: * handle the request
29: */
30: boolean dispatch(Request request, Response response)
31: throws IOException;
32: }
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