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Diffstat (limited to 'src/org/apache/http/impl/SocketHttpClientConnection.java')
| -rw-r--r-- | src/org/apache/http/impl/SocketHttpClientConnection.java | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/src/org/apache/http/impl/SocketHttpClientConnection.java b/src/org/apache/http/impl/SocketHttpClientConnection.java new file mode 100644 index 0000000..1e551e0 --- /dev/null +++ b/src/org/apache/http/impl/SocketHttpClientConnection.java @@ -0,0 +1,208 @@ +/* + * $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(); + } + +} |