| /* |
| * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/impl/SocketHttpClientConnection.java $ |
| * $Revision: 561083 $ |
| * $Date: 2007-07-30 11:31:17 -0700 (Mon, 30 Jul 2007) $ |
| * |
| * ==================================================================== |
| * 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 org.apache.http.impl; |
| |
| import java.io.IOException; |
| import java.net.InetAddress; |
| import java.net.Socket; |
| import java.net.SocketException; |
| |
| import org.apache.http.HttpInetConnection; |
| import org.apache.http.impl.io.SocketInputBuffer; |
| import org.apache.http.impl.io.SocketOutputBuffer; |
| import org.apache.http.io.SessionInputBuffer; |
| import org.apache.http.io.SessionOutputBuffer; |
| import org.apache.http.params.HttpConnectionParams; |
| import org.apache.http.params.HttpParams; |
| |
| /** |
| * Implementation of a client-side HTTP connection that can be bound to a |
| * network Socket in order to receive and transmit data. |
| * |
| * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a> |
| * |
| * @version $Revision: 561083 $ |
| * |
| * @since 4.0 |
| */ |
| public class SocketHttpClientConnection |
| extends AbstractHttpClientConnection implements HttpInetConnection { |
| |
| private volatile boolean open; |
| private Socket socket = null; |
| |
| public SocketHttpClientConnection() { |
| super(); |
| } |
| |
| protected void assertNotOpen() { |
| if (this.open) { |
| throw new IllegalStateException("Connection is already open"); |
| } |
| } |
| |
| protected void assertOpen() { |
| if (!this.open) { |
| throw new IllegalStateException("Connection is not open"); |
| } |
| } |
| |
| protected SessionInputBuffer createSessionInputBuffer( |
| final Socket socket, |
| int buffersize, |
| final HttpParams params) throws IOException { |
| return new SocketInputBuffer(socket, buffersize, params); |
| } |
| |
| protected SessionOutputBuffer createSessionOutputBuffer( |
| final Socket socket, |
| int buffersize, |
| final HttpParams params) throws IOException { |
| return new SocketOutputBuffer(socket, buffersize, params); |
| } |
| |
| protected void bind( |
| final Socket socket, |
| final HttpParams params) throws IOException { |
| if (socket == null) { |
| throw new IllegalArgumentException("Socket may not be null"); |
| } |
| if (params == null) { |
| throw new IllegalArgumentException("HTTP parameters may not be null"); |
| } |
| this.socket = socket; |
| |
| int buffersize = HttpConnectionParams.getSocketBufferSize(params); |
| |
| init( |
| createSessionInputBuffer(socket, buffersize, params), |
| createSessionOutputBuffer(socket, buffersize, params), |
| params); |
| |
| this.open = true; |
| } |
| |
| public boolean isOpen() { |
| return this.open; |
| } |
| |
| protected Socket getSocket() { |
| return this.socket; |
| } |
| |
| public InetAddress getLocalAddress() { |
| if (this.socket != null) { |
| return this.socket.getLocalAddress(); |
| } else { |
| return null; |
| } |
| } |
| |
| public int getLocalPort() { |
| if (this.socket != null) { |
| return this.socket.getLocalPort(); |
| } else { |
| return -1; |
| } |
| } |
| |
| public InetAddress getRemoteAddress() { |
| if (this.socket != null) { |
| return this.socket.getInetAddress(); |
| } else { |
| return null; |
| } |
| } |
| |
| public int getRemotePort() { |
| if (this.socket != null) { |
| return this.socket.getPort(); |
| } else { |
| return -1; |
| } |
| } |
| |
| public void setSocketTimeout(int timeout) { |
| assertOpen(); |
| if (this.socket != null) { |
| try { |
| this.socket.setSoTimeout(timeout); |
| } catch (SocketException ignore) { |
| // It is not quite clear from the Sun's documentation if there are any |
| // other legitimate cases for a socket exception to be thrown when setting |
| // SO_TIMEOUT besides the socket being already closed |
| } |
| } |
| } |
| |
| public int getSocketTimeout() { |
| if (this.socket != null) { |
| try { |
| return this.socket.getSoTimeout(); |
| } catch (SocketException ignore) { |
| return -1; |
| } |
| } else { |
| return -1; |
| } |
| } |
| |
| public void shutdown() throws IOException { |
| this.open = false; |
| Socket tmpsocket = this.socket; |
| if (tmpsocket != null) { |
| tmpsocket.close(); |
| } |
| } |
| |
| public void close() throws IOException { |
| if (!this.open) { |
| return; |
| } |
| this.open = false; |
| doFlush(); |
| try { |
| try { |
| this.socket.shutdownOutput(); |
| } catch (IOException ignore) { |
| } |
| try { |
| this.socket.shutdownInput(); |
| } catch (IOException ignore) { |
| } |
| } catch (UnsupportedOperationException ignore) { |
| // if one isn't supported, the other one isn't either |
| } |
| this.socket.close(); |
| } |
| |
| } |