1 /* 2 * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/conn/scheme/PlainSocketFactory.java $ 3 * $Revision: 659194 $ 4 * $Date: 2008-05-22 11:33:47 -0700 (Thu, 22 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.conn.scheme; 33 34 import java.io.IOException; 35 import java.net.InetAddress; 36 import java.net.InetSocketAddress; 37 import java.net.Socket; 38 import java.net.SocketTimeoutException; 39 40 import org.apache.http.conn.ConnectTimeoutException; 41 import org.apache.http.params.HttpConnectionParams; 42 import org.apache.http.params.HttpParams; 43 44 /** 45 * The default class for creating sockets. 46 * 47 * @author <a href="mailto:rolandw at apache.org">Roland Weber</a> 48 * @author Michael Becke 49 * 50 * @deprecated Please use {@link java.net.URL#openConnection} instead. 51 * Please visit <a href="http://android-developers.blogspot.com/2011/09/androids-http-clients.html">this webpage</a> 52 * for further details. 53 */ 54 @Deprecated 55 public final class PlainSocketFactory implements SocketFactory { 56 57 /** 58 * The factory singleton. 59 */ 60 private static final 61 PlainSocketFactory DEFAULT_FACTORY = new PlainSocketFactory(); 62 63 private final HostNameResolver nameResolver; 64 65 /** 66 * Gets the singleton instance of this class. 67 * @return the one and only plain socket factory 68 */ 69 public static PlainSocketFactory getSocketFactory() { 70 return DEFAULT_FACTORY; 71 } 72 73 public PlainSocketFactory(final HostNameResolver nameResolver) { 74 super(); 75 this.nameResolver = nameResolver; 76 } 77 78 79 public PlainSocketFactory() { 80 this(null); 81 } 82 83 // non-javadoc, see interface org.apache.http.conn.SocketFactory 84 public Socket createSocket() { 85 return new Socket(); 86 } 87 88 // non-javadoc, see interface org.apache.http.conn.SocketFactory 89 public Socket connectSocket(Socket sock, String host, int port, 90 InetAddress localAddress, int localPort, 91 HttpParams params) 92 throws IOException { 93 94 if (host == null) { 95 throw new IllegalArgumentException("Target host may not be null."); 96 } 97 if (params == null) { 98 throw new IllegalArgumentException("Parameters may not be null."); 99 } 100 101 if (sock == null) 102 sock = createSocket(); 103 104 if ((localAddress != null) || (localPort > 0)) { 105 106 // we need to bind explicitly 107 if (localPort < 0) 108 localPort = 0; // indicates "any" 109 110 InetSocketAddress isa = 111 new InetSocketAddress(localAddress, localPort); 112 sock.bind(isa); 113 } 114 115 int timeout = HttpConnectionParams.getConnectionTimeout(params); 116 117 InetSocketAddress remoteAddress; 118 if (this.nameResolver != null) { 119 remoteAddress = new InetSocketAddress(this.nameResolver.resolve(host), port); 120 } else { 121 remoteAddress = new InetSocketAddress(host, port); 122 } 123 try { 124 sock.connect(remoteAddress, timeout); 125 } catch (SocketTimeoutException ex) { 126 throw new ConnectTimeoutException("Connect to " + remoteAddress + " timed out"); 127 } 128 return sock; 129 130 } // connectSocket 131 132 133 /** 134 * Checks whether a socket connection is secure. 135 * This factory creates plain socket connections 136 * which are not considered secure. 137 * 138 * @param sock the connected socket 139 * 140 * @return <code>false</code> 141 * 142 * @throws IllegalArgumentException if the argument is invalid 143 */ 144 public final boolean isSecure(Socket sock) 145 throws IllegalArgumentException { 146 147 if (sock == null) { 148 throw new IllegalArgumentException("Socket may not be null."); 149 } 150 // This class check assumes that createSocket() calls the constructor 151 // directly. If it was using javax.net.SocketFactory, we couldn't make 152 // an assumption about the socket class here. 153 if (sock.getClass() != Socket.class) { 154 throw new IllegalArgumentException 155 ("Socket not created by this factory."); 156 } 157 // This check is performed last since it calls a method implemented 158 // by the argument object. getClass() is final in java.lang.Object. 159 if (sock.isClosed()) { 160 throw new IllegalArgumentException("Socket is closed."); 161 } 162 163 return false; 164 165 } // isSecure 166 167 168 /** 169 * Compares this factory with an object. 170 * There is only one instance of this class. 171 * 172 * @param obj the object to compare with 173 * 174 * @return iff the argument is this object 175 */ 176 @Override 177 public boolean equals(Object obj) { 178 return (obj == this); 179 } 180 181 /** 182 * Obtains a hash code for this object. 183 * All instances of this class have the same hash code. 184 * There is only one instance of this class. 185 */ 186 @Override 187 public int hashCode() { 188 return PlainSocketFactory.class.hashCode(); 189 } 190 191 } 192