The Tor Browser / file revision

 /*

  * ====================================================================

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you under the Apache License, Version 2.0 (the

  * "License"); you may not use this file except in compliance

  * with the License.  You may obtain a copy of the License at

  *

  *   http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing,

  * software distributed under the License is distributed on an

  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

  * KIND, either express or implied.  See the License for the

  * specific language governing permissions and limitations

  * under the License.

  * ====================================================================

  *

  * This software consists of voluntary contributions made by many

  * individuals on behalf of the Apache Software Foundation.  For more

  * information on the Apache Software Foundation, please see

  * <http://www.apache.org/>.

  *

  */

 package ch.boye.httpclientandroidlib.conn.scheme;

 import java.io.IOException;

 import java.net.InetAddress;

 import java.net.InetSocketAddress;

 import java.net.Socket;

 import java.net.SocketTimeoutException;

 import java.net.UnknownHostException;

 import ch.boye.httpclientandroidlib.annotation.Immutable;

 import ch.boye.httpclientandroidlib.conn.ConnectTimeoutException;

 import ch.boye.httpclientandroidlib.params.HttpConnectionParams;

 import ch.boye.httpclientandroidlib.params.HttpParams;

 /**

  * The default class for creating plain (unencrypted) sockets.

  * <p>

  * The following parameters can be used to customize the behavior of this

  * class:

  * <ul>

  *  <li>{@link ch.boye.httpclientandroidlib.params.CoreConnectionPNames#CONNECTION_TIMEOUT}</li>

  *  <li>{@link ch.boye.httpclientandroidlib.params.CoreConnectionPNames#SO_REUSEADDR}</li>

  * </ul>

  *

  * @since 4.0

  */

 @SuppressWarnings("deprecation")

 @Immutable

 public class PlainSocketFactory implements SocketFactory, SchemeSocketFactory {

     private final HostNameResolver nameResolver;

     /**

      * Gets the default factory.

      *

      * @return the default factory

      */

     public static PlainSocketFactory getSocketFactory() {

         return new PlainSocketFactory();

     }

     @Deprecated

     public PlainSocketFactory(final HostNameResolver nameResolver) {

         super();

         this.nameResolver = nameResolver;

     }

     public PlainSocketFactory() {

         super();

         this.nameResolver = null;

     }

     /**

      * @param params Optional parameters. Parameters passed to this method will have no effect.

      *               This method will create a unconnected instance of {@link Socket} class

      *               using default constructor.

      *

      * @since 4.1

      */

     public Socket createSocket(final HttpParams params) {

         return new Socket();

     }

     public Socket createSocket() {

         return new Socket();

     }

     /**

      * @since 4.1

      */

     public Socket connectSocket(

             final Socket socket,

             final InetSocketAddress remoteAddress,

             final InetSocketAddress localAddress,

             final HttpParams params) throws IOException, ConnectTimeoutException {

         if (remoteAddress == null) {

             throw new IllegalArgumentException("Remote address may not be null");

         }

         if (params == null) {

             throw new IllegalArgumentException("HTTP parameters may not be null");

         }

         Socket sock = socket;

         if (sock == null) {

             sock = createSocket();

         }

         if (localAddress != null) {

             sock.setReuseAddress(HttpConnectionParams.getSoReuseaddr(params));

             sock.bind(localAddress);

         }

         int connTimeout = HttpConnectionParams.getConnectionTimeout(params);

         int soTimeout = HttpConnectionParams.getSoTimeout(params);

         try {

             sock.setSoTimeout(soTimeout);

             sock.connect(remoteAddress, connTimeout);

         } catch (SocketTimeoutException ex) {

             throw new ConnectTimeoutException("Connect to " + remoteAddress + " timed out");

         }

         return sock;

     }

     /**

      * Checks whether a socket connection is secure.

      * This factory creates plain socket connections

      * which are not considered secure.

      *

      * @param sock      the connected socket

      *

      * @return  <code>false</code>

      *

      * @throws IllegalArgumentException if the argument is invalid

      */

     public final boolean isSecure(Socket sock)

         throws IllegalArgumentException {

         if (sock == null) {

             throw new IllegalArgumentException("Socket may not be null.");

         }

         // This check is performed last since it calls a method implemented

         // by the argument object. getClass() is final in java.lang.Object.

         if (sock.isClosed()) {

             throw new IllegalArgumentException("Socket is closed.");

         }

         return false;

     }

     /**

      * @deprecated Use {@link #connectSocket(Socket, InetSocketAddress, InetSocketAddress, HttpParams)}

      */

     @Deprecated

     public Socket connectSocket(

             final Socket socket,

             final String host, int port,

             final InetAddress localAddress, int localPort,

             final HttpParams params) throws IOException, UnknownHostException, ConnectTimeoutException {

         InetSocketAddress local = null;

         if (localAddress != null || localPort > 0) {

             // we need to bind explicitly

             if (localPort < 0) {

                 localPort = 0; // indicates "any"

             }

             local = new InetSocketAddress(localAddress, localPort);

         }

         InetAddress remoteAddress;

         if (this.nameResolver != null) {

             remoteAddress = this.nameResolver.resolve(host);

         } else {

             remoteAddress = InetAddress.getByName(host);

         }

         InetSocketAddress remote = new InetSocketAddress(remoteAddress, port);

         return connectSocket(socket, remote, local, params);

     }

 }