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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