01: /*
02: * $HeadURL: https://svn.apache.org/repos/asf/httpcomponents/httpcore/tags/4.0-beta1/module-nio/src/main/java/org/apache/http/nio/reactor/IOReactorExceptionHandler.java $
03: * $Revision: 613298 $
04: * $Date: 2008-01-18 23:09:22 +0100 (Fri, 18 Jan 2008) $
05: *
06: * ====================================================================
07: * Licensed to the Apache Software Foundation (ASF) under one
08: * or more contributor license agreements. See the NOTICE file
09: * distributed with this work for additional information
10: * regarding copyright ownership. The ASF licenses this file
11: * to you under the Apache License, Version 2.0 (the
12: * "License"); you may not use this file except in compliance
13: * with the License. You may obtain a copy of the License at
14: *
15: * http://www.apache.org/licenses/LICENSE-2.0
16: *
17: * Unless required by applicable law or agreed to in writing,
18: * software distributed under the License is distributed on an
19: * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
20: * KIND, either express or implied. See the License for the
21: * specific language governing permissions and limitations
22: * under the License.
23: * ====================================================================
24: *
25: * This software consists of voluntary contributions made by many
26: * individuals on behalf of the Apache Software Foundation. For more
27: * information on the Apache Software Foundation, please see
28: * <http://www.apache.org/>.
29: *
30: */
31:
32: package org.apache.http.nio.reactor;
33:
34: import java.io.IOException;
35:
36: /**
37: * Abstract exception handler intended to deal with potentially recoverable
38: * I/O exceptions thrown by an I/O reactor
39: *
40: * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a>
41: *
42: */
43: public interface IOReactorExceptionHandler {
44:
45: /**
46: * This method is expected to examine the I/O exception passed as a parameter
47: * and decide whether it is safe to continue execution of the I/O reactor
48: *
49: * @param ex potentially recoverable I/O exception
50: * @return <code>true</code> if it is safe to ignore the exception
51: * and continue execution of the I/O reactor; <code>false</code> if the
52: * I/O reactor must throw {@link IOReactorException} and terminate
53: */
54: boolean handle(IOException ex);
55:
56: /**
57: * This method is expected to examine the runtime exception passed as a parameter
58: * and decide whether it is safe to continue execution of the I/O reactor
59: *
60: * @param ex potentially recoverable runtime exception
61: * @return <code>true</code> if it is safe to ignore the exception
62: * and continue execution of the I/O reactor; <code>false</code> if the
63: * I/O reactor must throw {@link RuntimeException} and terminate
64: */
65: boolean handle(RuntimeException ex);
66:
67: }
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