1 /*
2 * $Header: /home/cvs/jakarta-commons/httpclient/src/test/org/apache/commons/httpclient/server/ProxyRequestHandler.java,v 1.1.2.1 2003/12/05 21:02:52 oglueck Exp $
3 * $Revision: 1.1.2.1 $
4 * $Date: 2003/12/05 21:02:52 $
5 *
6 * ====================================================================
7 *
8 * The Apache Software License, Version 1.1
9 *
10 * Copyright (c) 1999-2003 The Apache Software Foundation. All rights
11 * reserved.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 *
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 *
20 * 2. Redistributions in binary form must reproduce the above copyright
21 * notice, this list of conditions and the following disclaimer in
22 * the documentation and/or other materials provided with the
23 * distribution.
24 *
25 * 3. The end-user documentation included with the redistribution, if
26 * any, must include the following acknowlegement:
27 * "This product includes software developed by the
28 * Apache Software Foundation (http://www.apache.org/)."
29 * Alternately, this acknowlegement may appear in the software itself,
30 * if and wherever such third-party acknowlegements normally appear.
31 *
32 * 4. The names "The Jakarta Project", "Commons", and "Apache Software
33 * Foundation" must not be used to endorse or promote products derived
34 * from this software without prior written permission. For written
35 * permission, please contact apache@apache.org.
36 *
37 * 5. Products derived from this software may not be called "Apache"
38 * nor may "Apache" appear in their names without prior written
39 * permission of the Apache Group.
40 *
41 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
42 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
43 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
44 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
45 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
46 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
47 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
48 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
49 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
50 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
51 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * SUCH DAMAGE.
53 * ====================================================================
54 *
55 * This software consists of voluntary contributions made by many
56 * individuals on behalf of the Apache Software Foundation. For more
57 * information on the Apache Software Foundation, please see
58 * <http://www.apache.org/>.
59 *
60 * [Additional notices, if required by prior licensing conditions]
61 *
62 */
63
64 package org.apache.commons.httpclient.server;
65
66 import java.io.IOException;
67 import java.io.InputStream;
68
69 import org.apache.commons.httpclient.Header;
70 import org.apache.commons.httpclient.HostConfiguration;
71 import org.apache.commons.httpclient.HttpClient;
72 import org.apache.commons.httpclient.HttpMethod;
73 import org.apache.commons.httpclient.HttpURL;
74 import org.apache.commons.httpclient.URI;
75 import org.apache.commons.httpclient.methods.EntityEnclosingMethod;
76 import org.apache.commons.httpclient.methods.GetMethod;
77 import org.apache.commons.logging.Log;
78 import org.apache.commons.logging.LogFactory;
79
80 /***
81 * This request handler can handle GET and POST requests. It does
82 * nothing for all other request
83 * @author Ortwin Glueck
84 */
85 public class ProxyRequestHandler implements HttpRequestHandler {
86
87 /***
88 * @see org.apache.commons.httpclient.server.HttpRequestHandler#processRequest(org.apache.commons.httpclient.server.SimpleHttpServerConnection)
89 */
90 public boolean processRequest(SimpleHttpServerConnection conn) throws IOException {
91 RequestLine line = conn.getRequestLine();
92 String method = line.getMethod();
93 //TODO add POST method handling
94 if (!"GET".equalsIgnoreCase(method)) return false;
95 URI url = new HttpURL(line.getUri());
96 httpProxy(conn, url);
97 return true;
98 }
99
100 /***
101 * @param conn
102 */
103 private void httpProxy(SimpleHttpServerConnection conn, URI url) throws IOException {
104 Log wireLog = LogFactory.getLog("httpclient.wire");
105
106 HttpClient client = new HttpClient();
107 HostConfiguration hc = new HostConfiguration();
108 hc.setHost(url);
109 client.setHostConfiguration(hc);
110
111 //TODO support other methods
112 HttpMethod method = new GetMethod(url.getPathQuery());
113 Header[] headers = conn.getHeaders();
114 for (int i=0; i<headers.length; i++) {
115 method.addRequestHeader(headers[i]);
116 }
117 if (method instanceof EntityEnclosingMethod) {
118 EntityEnclosingMethod emethod = (EntityEnclosingMethod) method;
119 emethod.setRequestBody(conn.getInputStream());
120 }
121 client.executeMethod(method);
122
123
124 Header[] rheaders = method.getResponseHeaders();
125 InputStream targetIn = method.getResponseBodyAsStream();
126 ResponseWriter out = conn.getWriter();
127 out.println(method.getStatusLine().toString());
128 for (int i=0; i<rheaders.length; i++) {
129 out.print(rheaders[i].toExternalForm());
130 }
131 if (rheaders.length > 0) out.println();
132 out.flush();
133 out = null;
134 StreamProxy sp = new StreamProxy(targetIn, conn.getOutputStream());
135 sp.start();
136 try {
137 sp.block();
138 } catch (InterruptedException e) {
139 throw new IOException(e.toString());
140 }
141 }
142
143 }
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