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/*
* ====================================================================
* 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
* .
*
*/
package org.apache.http.impl.conn;
import java.io.IOException;
import java.io.InterruptedIOException;
import java.net.Socket;
import java.util.HashMap;
import java.util.Map;
import javax.net.ssl.SSLSession;
import javax.net.ssl.SSLSocket;
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.conn.ManagedHttpClientConnection;
import org.apache.http.conn.OperatedClientConnection;
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.params.BasicHttpParams;
import org.apache.http.params.HttpParams;
import org.apache.http.params.HttpProtocolParams;
import org.apache.http.protocol.HttpContext;
import org.apache.http.util.Args;
/**
* Default implementation of an operated client connection.
*
* @since 4.0
*
* @deprecated (4.3) use {@link ManagedHttpClientConnectionFactory}.
*/
@Deprecated
public class DefaultClientConnection extends SocketHttpClientConnection
implements OperatedClientConnection, ManagedHttpClientConnection, HttpContext {
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;
/** connection specific attributes */
private final Map attributes;
public DefaultClientConnection() {
super();
this.attributes = new HashMap();
}
@Override
public String getId() {
return null;
}
@Override
public final HttpHost getTargetHost() {
return this.targetHost;
}
@Override
public final boolean isSecure() {
return this.connSecure;
}
@Override
public final Socket getSocket() {
return this.socket;
}
@Override
public SSLSession getSSLSession() {
if (this.socket instanceof SSLSocket) {
return ((SSLSocket) this.socket).getSession();
} else {
return null;
}
}
@Override
public void opening(final Socket sock, final 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 InterruptedIOException("Connection already shutdown");
}
}
@Override
public void openCompleted(final boolean secure, final HttpParams params) throws IOException {
Args.notNull(params, "Parameters");
assertNotOpen();
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 {
shutdown = true;
try {
super.shutdown();
if (log.isDebugEnabled()) {
log.debug("Connection " + this + " shut down");
}
final Socket sock = this.socket; // copy volatile attribute
if (sock != null) {
sock.close();
}
} catch (final IOException ex) {
log.debug("I/O error shutting down connection", ex);
}
}
@Override
public void close() throws IOException {
try {
super.close();
if (log.isDebugEnabled()) {
log.debug("Connection " + this + " closed");
}
} catch (final IOException ex) {
log.debug("I/O error closing connection", ex);
}
}
@Override
protected SessionInputBuffer createSessionInputBuffer(
final Socket socket,
final int buffersize,
final HttpParams params) throws IOException {
SessionInputBuffer inbuffer = super.createSessionInputBuffer(
socket,
buffersize > 0 ? buffersize : 8192,
params);
if (wireLog.isDebugEnabled()) {
inbuffer = new LoggingSessionInputBuffer(
inbuffer,
new Wire(wireLog),
HttpProtocolParams.getHttpElementCharset(params));
}
return inbuffer;
}
@Override
protected SessionOutputBuffer createSessionOutputBuffer(
final Socket socket,
final int buffersize,
final HttpParams params) throws IOException {
SessionOutputBuffer outbuffer = super.createSessionOutputBuffer(
socket,
buffersize > 0 ? buffersize : 8192,
params);
if (wireLog.isDebugEnabled()) {
outbuffer = new LoggingSessionOutputBuffer(
outbuffer,
new Wire(wireLog),
HttpProtocolParams.getHttpElementCharset(params));
}
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 DefaultHttpResponseParser
(buffer, null, responseFactory, params);
}
@Override
public void bind(final Socket socket) throws IOException {
bind(socket, new BasicHttpParams());
}
@Override
public void update(final Socket sock, final HttpHost target,
final boolean secure, final HttpParams params)
throws IOException {
assertOpen();
Args.notNull(target, "Target host");
Args.notNull(params, "Parameters");
if (sock != null) {
this.socket = sock;
bind(sock, params);
}
targetHost = target;
connSecure = secure;
}
@Override
public HttpResponse receiveResponseHeader() throws HttpException, IOException {
final HttpResponse response = super.receiveResponseHeader();
if (log.isDebugEnabled()) {
log.debug("Receiving response: " + response.getStatusLine());
}
if (headerLog.isDebugEnabled()) {
headerLog.debug("<< " + response.getStatusLine().toString());
final Header[] headers = response.getAllHeaders();
for (final Header header : headers) {
headerLog.debug("<< " + header.toString());
}
}
return response;
}
@Override
public void sendRequestHeader(final HttpRequest request) throws HttpException, IOException {
if (log.isDebugEnabled()) {
log.debug("Sending request: " + request.getRequestLine());
}
super.sendRequestHeader(request);
if (headerLog.isDebugEnabled()) {
headerLog.debug(">> " + request.getRequestLine().toString());
final Header[] headers = request.getAllHeaders();
for (final Header header : headers) {
headerLog.debug(">> " + header.toString());
}
}
}
@Override
public Object getAttribute(final String id) {
return this.attributes.get(id);
}
@Override
public Object removeAttribute(final String id) {
return this.attributes.remove(id);
}
@Override
public void setAttribute(final String id, final Object obj) {
this.attributes.put(id, obj);
}
}
