1 /* 2 * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/impl/conn/DefaultClientConnection.java $ 3 * $Revision: 673450 $ 4 * $Date: 2008-07-02 10:35:05 -0700 (Wed, 02 Jul 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.io.IOException; 36 import java.net.Socket; 37 38 import org.apache.commons.logging.Log; 39 import org.apache.commons.logging.LogFactory; 40 import org.apache.http.Header; 41 import org.apache.http.HttpException; 42 import org.apache.http.HttpHost; 43 import org.apache.http.HttpRequest; 44 import org.apache.http.HttpResponse; 45 import org.apache.http.HttpResponseFactory; 46 import org.apache.http.params.HttpParams; 47 import org.apache.http.impl.SocketHttpClientConnection; 48 import org.apache.http.io.HttpMessageParser; 49 import org.apache.http.io.SessionInputBuffer; 50 import org.apache.http.io.SessionOutputBuffer; 51 52 import org.apache.http.conn.OperatedClientConnection; 53 54 55 /** 56 * Default implementation of an operated client connection. 57 * 58 * @author <a href="mailto:rolandw at apache.org">Roland Weber</a> 59 * 60 * 61 * <!-- empty lines to avoid svn diff problems --> 62 * @version $Revision: 673450 $ $Date: 2008-07-02 10:35:05 -0700 (Wed, 02 Jul 2008) $ 63 * 64 * @since 4.0 65 * 66 * @deprecated Please use {@link java.net.URL#openConnection} instead. 67 * Please visit <a href="http://android-developers.blogspot.com/2011/09/androids-http-clients.html">this webpage</a> 68 * for further details. 69 */ 70 @Deprecated 71 public class DefaultClientConnection extends SocketHttpClientConnection 72 implements OperatedClientConnection { 73 74 private final Log log = LogFactory.getLog(getClass()); 75 private final Log headerLog = LogFactory.getLog("org.apache.http.headers"); 76 private final Log wireLog = LogFactory.getLog("org.apache.http.wire"); 77 78 /** The unconnected socket */ 79 private volatile Socket socket; 80 81 /** The target host of this connection. */ 82 private HttpHost targetHost; 83 84 /** Whether this connection is secure. */ 85 private boolean connSecure; 86 87 /** True if this connection was shutdown. */ 88 private volatile boolean shutdown; 89 90 public DefaultClientConnection() { 91 super(); 92 } 93 94 95 // non-javadoc, see interface OperatedClientConnection 96 public final HttpHost getTargetHost() { 97 return this.targetHost; 98 } 99 100 101 // non-javadoc, see interface OperatedClientConnection 102 public final boolean isSecure() { 103 return this.connSecure; 104 } 105 106 107 @Override 108 public final Socket getSocket() { 109 return this.socket; 110 } 111 112 113 public void opening(Socket sock, HttpHost target) throws IOException { 114 assertNotOpen(); 115 this.socket = sock; 116 this.targetHost = target; 117 118 // Check for shutdown after assigning socket, so that 119 if (this.shutdown) { 120 sock.close(); // allow this to throw... 121 // ...but if it doesn't, explicitly throw one ourselves. 122 throw new IOException("Connection already shutdown"); 123 } 124 } 125 126 127 public void openCompleted(boolean secure, HttpParams params) throws IOException { 128 assertNotOpen(); 129 if (params == null) { 130 throw new IllegalArgumentException 131 ("Parameters must not be null."); 132 } 133 this.connSecure = secure; 134 bind(this.socket, params); 135 } 136 137 /** 138 * Force-closes this connection. 139 * If the connection is still in the process of being open (the method 140 * {@link #opening opening} was already called but 141 * {@link #openCompleted openCompleted} was not), the associated 142 * socket that is being connected to a remote address will be closed. 143 * That will interrupt a thread that is blocked on connecting 144 * the socket. 145 * If the connection is not yet open, this will prevent the connection 146 * from being opened. 147 * 148 * @throws IOException in case of a problem 149 */ 150 @Override 151 public void shutdown() throws IOException { 152 log.debug("Connection shut down"); 153 shutdown = true; 154 155 super.shutdown(); 156 Socket sock = this.socket; // copy volatile attribute 157 if (sock != null) 158 sock.close(); 159 160 } // shutdown 161 162 163 @Override 164 public void close() throws IOException { 165 log.debug("Connection closed"); 166 super.close(); 167 } 168 169 170 @Override 171 protected SessionInputBuffer createSessionInputBuffer( 172 final Socket socket, 173 int buffersize, 174 final HttpParams params) throws IOException { 175 SessionInputBuffer inbuffer = super.createSessionInputBuffer( 176 socket, 177 buffersize, 178 params); 179 if (wireLog.isDebugEnabled()) { 180 inbuffer = new LoggingSessionInputBuffer(inbuffer, new Wire(wireLog)); 181 } 182 return inbuffer; 183 } 184 185 186 @Override 187 protected SessionOutputBuffer createSessionOutputBuffer( 188 final Socket socket, 189 int buffersize, 190 final HttpParams params) throws IOException { 191 SessionOutputBuffer outbuffer = super.createSessionOutputBuffer( 192 socket, 193 buffersize, 194 params); 195 if (wireLog.isDebugEnabled()) { 196 outbuffer = new LoggingSessionOutputBuffer(outbuffer, new Wire(wireLog)); 197 } 198 return outbuffer; 199 } 200 201 202 @Override 203 protected HttpMessageParser createResponseParser( 204 final SessionInputBuffer buffer, 205 final HttpResponseFactory responseFactory, 206 final HttpParams params) { 207 // override in derived class to specify a line parser 208 return new DefaultResponseParser 209 (buffer, null, responseFactory, params); 210 } 211 212 213 // non-javadoc, see interface OperatedClientConnection 214 public void update(Socket sock, HttpHost target, 215 boolean secure, HttpParams params) 216 throws IOException { 217 218 assertOpen(); 219 if (target == null) { 220 throw new IllegalArgumentException 221 ("Target host must not be null."); 222 } 223 if (params == null) { 224 throw new IllegalArgumentException 225 ("Parameters must not be null."); 226 } 227 228 if (sock != null) { 229 this.socket = sock; 230 bind(sock, params); 231 } 232 targetHost = target; 233 connSecure = secure; 234 235 } // update 236 237 238 @Override 239 public HttpResponse receiveResponseHeader() throws HttpException, IOException { 240 HttpResponse response = super.receiveResponseHeader(); 241 if (headerLog.isDebugEnabled()) { 242 headerLog.debug("<< " + response.getStatusLine().toString()); 243 Header[] headers = response.getAllHeaders(); 244 for (Header header : headers) { 245 headerLog.debug("<< " + header.toString()); 246 } 247 } 248 return response; 249 } 250 251 252 @Override 253 public void sendRequestHeader(HttpRequest request) throws HttpException, IOException { 254 super.sendRequestHeader(request); 255 if (headerLog.isDebugEnabled()) { 256 headerLog.debug(">> " + request.getRequestLine().toString()); 257 Header[] headers = request.getAllHeaders(); 258 for (Header header : headers) { 259 headerLog.debug(">> " + header.toString()); 260 } 261 } 262 } 263 264 } // class DefaultClientConnection 265
