1 /**
2 * Licensed to jclouds, Inc. (jclouds) under one or more
3 * contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. jclouds licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.jclouds.http;
20
21 import java.io.IOException;
22
23 import org.jclouds.http.handlers.BackoffLimitedRetryHandler;
24
25 import com.google.inject.ImplementedBy;
26
27 /**
28 *
29 * @author Adrian Cole
30 */
31 @ImplementedBy(BackoffLimitedRetryHandler.class)
32 public interface IOExceptionRetryHandler {
33
34 public static final IOExceptionRetryHandler ALWAYS_RETRY = new IOExceptionRetryHandler() {
35 public boolean shouldRetryRequest(HttpCommand command, IOException response) {
36 return true;
37 }
38
39 @Override
40 public String toString() {
41 return "ALWAYS_RETRY";
42 }
43 };
44
45 public static final IOExceptionRetryHandler NEVER_RETRY = new IOExceptionRetryHandler() {
46 public boolean shouldRetryRequest(HttpCommand command, IOException response) {
47 return false;
48 }
49
50 @Override
51 public String toString() {
52 return "NEVER_RETRY";
53 }
54 };
55
56 boolean shouldRetryRequest(HttpCommand command, IOException error);
57 }