diff options
Diffstat (limited to 'src/org/apache/http/impl/conn/DefaultClientConnection.java')
| -rw-r--r-- | src/org/apache/http/impl/conn/DefaultClientConnection.java | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/src/org/apache/http/impl/conn/DefaultClientConnection.java b/src/org/apache/http/impl/conn/DefaultClientConnection.java new file mode 100644 index 0000000..a41f57a --- /dev/null +++ b/src/org/apache/http/impl/conn/DefaultClientConnection.java @@ -0,0 +1,259 @@ +/* + * $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 |