Wed, 31 Dec 2014 07:22:50 +0100
Correct previous dual key logic pending first delivery installment.
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 */
28 package ch.boye.httpclientandroidlib.protocol;
30 import java.io.IOException;
31 import java.net.InetAddress;
33 import ch.boye.httpclientandroidlib.HttpConnection;
34 import ch.boye.httpclientandroidlib.HttpException;
35 import ch.boye.httpclientandroidlib.HttpHost;
36 import ch.boye.httpclientandroidlib.HttpInetConnection;
37 import ch.boye.httpclientandroidlib.HttpRequest;
38 import ch.boye.httpclientandroidlib.HttpRequestInterceptor;
39 import ch.boye.httpclientandroidlib.HttpVersion;
40 import ch.boye.httpclientandroidlib.ProtocolVersion;
41 import ch.boye.httpclientandroidlib.ProtocolException;
43 /**
44 * RequestTargetHost is responsible for adding <code>Host</code> header. This
45 * interceptor is required for client side protocol processors.
46 *
47 * @since 4.0
48 */
49 public class RequestTargetHost implements HttpRequestInterceptor {
51 public RequestTargetHost() {
52 super();
53 }
55 public void process(final HttpRequest request, final HttpContext context)
56 throws HttpException, IOException {
57 if (request == null) {
58 throw new IllegalArgumentException("HTTP request may not be null");
59 }
60 if (context == null) {
61 throw new IllegalArgumentException("HTTP context may not be null");
62 }
64 ProtocolVersion ver = request.getRequestLine().getProtocolVersion();
65 String method = request.getRequestLine().getMethod();
66 if (method.equalsIgnoreCase("CONNECT") && ver.lessEquals(HttpVersion.HTTP_1_0)) {
67 return;
68 }
70 if (!request.containsHeader(HTTP.TARGET_HOST)) {
71 HttpHost targethost = (HttpHost) context
72 .getAttribute(ExecutionContext.HTTP_TARGET_HOST);
73 if (targethost == null) {
74 HttpConnection conn = (HttpConnection) context
75 .getAttribute(ExecutionContext.HTTP_CONNECTION);
76 if (conn instanceof HttpInetConnection) {
77 // Populate the context with a default HTTP host based on the
78 // inet address of the target host
79 InetAddress address = ((HttpInetConnection) conn).getRemoteAddress();
80 int port = ((HttpInetConnection) conn).getRemotePort();
81 if (address != null) {
82 targethost = new HttpHost(address.getHostName(), port);
83 }
84 }
85 if (targethost == null) {
86 if (ver.lessEquals(HttpVersion.HTTP_1_0)) {
87 return;
88 } else {
89 throw new ProtocolException("Target host missing");
90 }
91 }
92 }
93 request.addHeader(HTTP.TARGET_HOST, targethost.toHostString());
94 }
95 }
97 }