01: // Copyright 2006 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: * Service invoked when an uncaught exception occurs. The error handler is responsible for providing
21: * a response to the user to describe the error.
22: *
23: *
24: */
25: public interface RequestExceptionHandler {
26: /**
27: * Reponsible for handling the error <em>in some way</em> and providing <em>some response</em>
28: * to the client. A default implementation may render an error response page.
29: *
30: * @param exception
31: * uncaught exception to be reported
32: * @throws IOException
33: */
34: void handleRequestException(Throwable exception) throws IOException;
35: }
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