1 /*
2 * ====================================================================
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 * ====================================================================
20 *
21 * This software consists of voluntary contributions made by many
22 * individuals on behalf of the Apache Software Foundation. For more
23 * information on the Apache Software Foundation, please see
24 * <http://www.apache.org/>.
25 *
26 */
27
28 package org.apache.http.nio.reactor;
29
30 import java.io.IOException;
31
32 /**
33 * Abstract exception handler intended to deal with potentially recoverable
34 * I/O exceptions thrown by an I/O reactor.
35 *
36 * @since 4.0
37 */
38 public interface IOReactorExceptionHandler {
39
40 /**
41 * This method is expected to examine the I/O exception passed as
42 * a parameter and decide whether it is safe to continue execution of
43 * the I/O reactor.
44 *
45 * @param ex potentially recoverable I/O exception
46 * @return {@code true} if it is safe to ignore the exception
47 * and continue execution of the I/O reactor; {@code false} if the
48 * I/O reactor must throw {@link IOReactorException} and terminate
49 */
50 boolean handle(IOException ex);
51
52 /**
53 * This method is expected to examine the runtime exception passed as
54 * a parameter and decide whether it is safe to continue execution of
55 * the I/O reactor.
56 *
57 * @param ex potentially recoverable runtime exception
58 * @return {@code true} if it is safe to ignore the exception
59 * and continue execution of the I/O reactor; {@code false} if the
60 * I/O reactor must throw {@link RuntimeException} and terminate
61 */
62 boolean handle(RuntimeException ex);
63
64 }