1 /* 2 * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/impl/conn/DefaultHttpRoutePlanner.java $ 3 * $Revision: 658785 $ 4 * $Date: 2008-05-21 10:47:40 -0700 (Wed, 21 May 2008) $ 5 * 6 * ==================================================================== 7 * Licensed to the Apache Software Foundation (ASF) under one 8 * or more contributor license agreements. See the NOTICE file 9 * distributed with this work for additional information 10 * regarding copyright ownership. The ASF licenses this file 11 * to you under the Apache License, Version 2.0 (the 12 * "License"); you may not use this file except in compliance 13 * with the License. You may obtain a copy of the License at 14 * 15 * http://www.apache.org/licenses/LICENSE-2.0 16 * 17 * Unless required by applicable law or agreed to in writing, 18 * software distributed under the License is distributed on an 19 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 20 * KIND, either express or implied. See the License for the 21 * specific language governing permissions and limitations 22 * under the License. 23 * ==================================================================== 24 * 25 * This software consists of voluntary contributions made by many 26 * individuals on behalf of the Apache Software Foundation. For more 27 * information on the Apache Software Foundation, please see 28 * <http://www.apache.org/>. 29 * 30 */ 31 32 package org.apache.http.impl.conn; 33 34 35 import java.net.InetAddress; 36 37 import org.apache.http.HttpException; 38 import org.apache.http.HttpHost; 39 import org.apache.http.HttpRequest; 40 import org.apache.http.protocol.HttpContext; 41 42 import org.apache.http.conn.routing.HttpRoute; 43 import org.apache.http.conn.routing.HttpRoutePlanner; 44 import org.apache.http.conn.scheme.Scheme; 45 import org.apache.http.conn.scheme.SchemeRegistry; 46 47 import org.apache.http.conn.params.ConnRouteParams; 48 49 50 /** 51 * Default implementation of an {@link HttpRoutePlanner}. 52 * This implementation is based on 53 * {@link org.apache.http.conn.params.ConnRoutePNames parameters}. 54 * It will not make use of any Java system properties, 55 * nor of system or browser proxy settings. 56 * 57 * @deprecated Please use {@link java.net.URL#openConnection} instead. 58 * Please visit <a href="http://android-developers.blogspot.com/2011/09/androids-http-clients.html">this webpage</a> 59 * for further details. 60 */ 61 @Deprecated 62 public class DefaultHttpRoutePlanner implements HttpRoutePlanner { 63 64 /** The scheme registry. */ 65 protected SchemeRegistry schemeRegistry; 66 67 68 /** 69 * Creates a new default route planner. 70 * 71 * @param schreg the scheme registry 72 */ DefaultHttpRoutePlanner(SchemeRegistry schreg)73 public DefaultHttpRoutePlanner(SchemeRegistry schreg) { 74 if (schreg == null) { 75 throw new IllegalArgumentException 76 ("SchemeRegistry must not be null."); 77 } 78 schemeRegistry = schreg; 79 } 80 81 82 // non-javadoc, see interface HttpRoutePlanner determineRoute(HttpHost target, HttpRequest request, HttpContext context)83 public HttpRoute determineRoute(HttpHost target, 84 HttpRequest request, 85 HttpContext context) 86 throws HttpException { 87 88 if (request == null) { 89 throw new IllegalStateException 90 ("Request must not be null."); 91 } 92 93 // If we have a forced route, we can do without a target. 94 HttpRoute route = 95 ConnRouteParams.getForcedRoute(request.getParams()); 96 if (route != null) 97 return route; 98 99 // If we get here, there is no forced route. 100 // So we need a target to compute a route. 101 102 if (target == null) { 103 throw new IllegalStateException 104 ("Target host must not be null."); 105 } 106 107 final InetAddress local = 108 ConnRouteParams.getLocalAddress(request.getParams()); 109 final HttpHost proxy = 110 ConnRouteParams.getDefaultProxy(request.getParams()); 111 112 final Scheme schm = schemeRegistry.getScheme(target.getSchemeName()); 113 // as it is typically used for TLS/SSL, we assume that 114 // a layered scheme implies a secure connection 115 final boolean secure = schm.isLayered(); 116 117 if (proxy == null) { 118 route = new HttpRoute(target, local, secure); 119 } else { 120 route = new HttpRoute(target, local, proxy, secure); 121 } 122 return route; 123 } 124 125 126 } 127