| /* |
| * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/impl/conn/DefaultClientConnection.java $ |
| * $Revision: 673450 $ |
| * $Date: 2008-07-02 10:35:05 -0700 (Wed, 02 Jul 2008) $ |
| * |
| * ==================================================================== |
| * 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.conn; |
| |
| |
| import java.io.IOException; |
| import java.net.Socket; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.http.Header; |
| import org.apache.http.HttpException; |
| import org.apache.http.HttpHost; |
| import org.apache.http.HttpRequest; |
| import org.apache.http.HttpResponse; |
| import org.apache.http.HttpResponseFactory; |
| import org.apache.http.params.HttpParams; |
| import org.apache.http.impl.SocketHttpClientConnection; |
| import org.apache.http.io.HttpMessageParser; |
| import org.apache.http.io.SessionInputBuffer; |
| import org.apache.http.io.SessionOutputBuffer; |
| |
| import org.apache.http.conn.OperatedClientConnection; |
| |
| |
| /** |
| * Default implementation of an operated client connection. |
| * |
| * @author <a href="mailto:rolandw at apache.org">Roland Weber</a> |
| * |
| * |
| * <!-- empty lines to avoid svn diff problems --> |
| * @version $Revision: 673450 $ $Date: 2008-07-02 10:35:05 -0700 (Wed, 02 Jul 2008) $ |
| * |
| * @since 4.0 |
| */ |
| public class DefaultClientConnection extends SocketHttpClientConnection |
| implements OperatedClientConnection { |
| |
| private final Log log = LogFactory.getLog(getClass()); |
| private final Log headerLog = LogFactory.getLog("org.apache.http.headers"); |
| private final Log wireLog = LogFactory.getLog("org.apache.http.wire"); |
| |
| /** The unconnected socket */ |
| private volatile Socket socket; |
| |
| /** The target host of this connection. */ |
| private HttpHost targetHost; |
| |
| /** Whether this connection is secure. */ |
| private boolean connSecure; |
| |
| /** True if this connection was shutdown. */ |
| private volatile boolean shutdown; |
| |
| public DefaultClientConnection() { |
| super(); |
| } |
| |
| |
| // non-javadoc, see interface OperatedClientConnection |
| public final HttpHost getTargetHost() { |
| return this.targetHost; |
| } |
| |
| |
| // non-javadoc, see interface OperatedClientConnection |
| public final boolean isSecure() { |
| return this.connSecure; |
| } |
| |
| |
| @Override |
| public final Socket getSocket() { |
| return this.socket; |
| } |
| |
| |
| public void opening(Socket sock, HttpHost target) throws IOException { |
| assertNotOpen(); |
| this.socket = sock; |
| this.targetHost = target; |
| |
| // Check for shutdown after assigning socket, so that |
| if (this.shutdown) { |
| sock.close(); // allow this to throw... |
| // ...but if it doesn't, explicitly throw one ourselves. |
| throw new IOException("Connection already shutdown"); |
| } |
| } |
| |
| |
| public void openCompleted(boolean secure, HttpParams params) throws IOException { |
| assertNotOpen(); |
| if (params == null) { |
| throw new IllegalArgumentException |
| ("Parameters must not be null."); |
| } |
| this.connSecure = secure; |
| bind(this.socket, params); |
| } |
| |
| /** |
| * Force-closes this connection. |
| * If the connection is still in the process of being open (the method |
| * {@link #opening opening} was already called but |
| * {@link #openCompleted openCompleted} was not), the associated |
| * socket that is being connected to a remote address will be closed. |
| * That will interrupt a thread that is blocked on connecting |
| * the socket. |
| * If the connection is not yet open, this will prevent the connection |
| * from being opened. |
| * |
| * @throws IOException in case of a problem |
| */ |
| @Override |
| public void shutdown() throws IOException { |
| log.debug("Connection shut down"); |
| shutdown = true; |
| |
| super.shutdown(); |
| Socket sock = this.socket; // copy volatile attribute |
| if (sock != null) |
| sock.close(); |
| |
| } // shutdown |
| |
| |
| @Override |
| public void close() throws IOException { |
| log.debug("Connection closed"); |
| super.close(); |
| } |
| |
| |
| @Override |
| protected SessionInputBuffer createSessionInputBuffer( |
| final Socket socket, |
| int buffersize, |
| final HttpParams params) throws IOException { |
| SessionInputBuffer inbuffer = super.createSessionInputBuffer( |
| socket, |
| buffersize, |
| params); |
| if (wireLog.isDebugEnabled()) { |
| inbuffer = new LoggingSessionInputBuffer(inbuffer, new Wire(wireLog)); |
| } |
| return inbuffer; |
| } |
| |
| |
| @Override |
| protected SessionOutputBuffer createSessionOutputBuffer( |
| final Socket socket, |
| int buffersize, |
| final HttpParams params) throws IOException { |
| SessionOutputBuffer outbuffer = super.createSessionOutputBuffer( |
| socket, |
| buffersize, |
| params); |
| if (wireLog.isDebugEnabled()) { |
| outbuffer = new LoggingSessionOutputBuffer(outbuffer, new Wire(wireLog)); |
| } |
| return outbuffer; |
| } |
| |
| |
| @Override |
| protected HttpMessageParser createResponseParser( |
| final SessionInputBuffer buffer, |
| final HttpResponseFactory responseFactory, |
| final HttpParams params) { |
| // override in derived class to specify a line parser |
| return new DefaultResponseParser |
| (buffer, null, responseFactory, params); |
| } |
| |
| |
| // non-javadoc, see interface OperatedClientConnection |
| public void update(Socket sock, HttpHost target, |
| boolean secure, HttpParams params) |
| throws IOException { |
| |
| assertOpen(); |
| if (target == null) { |
| throw new IllegalArgumentException |
| ("Target host must not be null."); |
| } |
| if (params == null) { |
| throw new IllegalArgumentException |
| ("Parameters must not be null."); |
| } |
| |
| if (sock != null) { |
| this.socket = sock; |
| bind(sock, params); |
| } |
| targetHost = target; |
| connSecure = secure; |
| |
| } // update |
| |
| |
| @Override |
| public HttpResponse receiveResponseHeader() throws HttpException, IOException { |
| HttpResponse response = super.receiveResponseHeader(); |
| if (headerLog.isDebugEnabled()) { |
| headerLog.debug("<< " + response.getStatusLine().toString()); |
| Header[] headers = response.getAllHeaders(); |
| for (Header header : headers) { |
| headerLog.debug("<< " + header.toString()); |
| } |
| } |
| return response; |
| } |
| |
| |
| @Override |
| public void sendRequestHeader(HttpRequest request) throws HttpException, IOException { |
| super.sendRequestHeader(request); |
| if (headerLog.isDebugEnabled()) { |
| headerLog.debug(">> " + request.getRequestLine().toString()); |
| Header[] headers = request.getAllHeaders(); |
| for (Header header : headers) { |
| headerLog.debug(">> " + header.toString()); |
| } |
| } |
| } |
| |
| } // class DefaultClientConnection |