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 package org.apache.hc.core5.http;
28
29 import org.apache.hc.core5.annotation.Contract;
30 import org.apache.hc.core5.annotation.ThreadingBehavior;
31
32 /**
33 * @since 4.4
34 */
35 @Contract(threading = ThreadingBehavior.STATELESS)
36 public interface ExceptionListener {
37
38 ExceptionListeneristener.html#ExceptionListener">ExceptionListener NO_OP = new ExceptionListener() {
39
40 @Override
41 public void onError(final Exception ex) {
42 // no-op
43 }
44
45 @Override
46 public void onError(final HttpConnection connection, final Exception ex) {
47 // no-op
48 }
49
50 };
51
52 ExceptionListenertener.html#ExceptionListener">ExceptionListener STD_ERR = new ExceptionListener() {
53
54 @Override
55 public void onError(final Exception ex) {
56 ex.printStackTrace();
57 }
58
59 @Override
60 public void onError(final HttpConnection connection, final Exception ex) {
61 ex.printStackTrace();
62 }
63
64 };
65
66 void onError(Exception ex);
67
68 void onError(HttpConnection connection, Exception ex);
69
70 }