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.http.conn;
28
29 import java.io.IOException;
30 import java.net.ConnectException;
31 import java.net.InetAddress;
32 import java.util.Arrays;
33
34 import org.apache.http.HttpHost;
35
36 /**
37 * A {@link ConnectException} that specifies the {@link HttpHost} that was
38 * being connected to.
39 *
40 * @since 4.0
41 */
42 public class HttpHostConnectException extends ConnectException {
43
44 private static final long serialVersionUID = -3194482710275220224L;
45
46 private final HttpHost host;
47
48 /**
49 * @deprecated (4.3) use {@link #HttpHostConnectException(java.io.IOException, org.apache.http.HttpHost,
50 * java.net.InetAddress...)}
51 */
52 @Deprecated
53 public HttpHostConnectException(final HttpHost host, final ConnectException cause) {
54 this(cause, host, (InetAddress[]) null);
55 }
56
57 /**
58 * Creates a HttpHostConnectException based on original {@link java.io.IOException}.
59 *
60 * @since 4.3
61 */
62 public HttpHostConnectException(
63 final IOException cause,
64 final HttpHost host,
65 final InetAddress... remoteAddresses) {
66 super("Connect to " +
67 (host != null ? host.toHostString() : "remote host") +
68 (remoteAddresses != null && remoteAddresses .length > 0 ?
69 " " + Arrays.asList(remoteAddresses) : "") +
70 ((cause != null && cause.getMessage() != null) ?
71 " failed: " + cause.getMessage() : " refused"));
72 this.host = host;
73 initCause(cause);
74 }
75
76 public HttpHost getHost() {
77 return this.host;
78 }
79
80 }