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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
* <http://www.apache.org/>.
*
*/
package ch.boye.httpclientandroidlib.impl.conn;
import java.io.IOException;
import ch.boye.httpclientandroidlib.HttpHost;
import ch.boye.httpclientandroidlib.conn.ClientConnectionManager;
import ch.boye.httpclientandroidlib.conn.OperatedClientConnection;
import ch.boye.httpclientandroidlib.conn.routing.HttpRoute;
import ch.boye.httpclientandroidlib.params.HttpParams;
import ch.boye.httpclientandroidlib.protocol.HttpContext;
/**
* Abstract adapter from pool {@link AbstractPoolEntry entries} to
* {@link ch.boye.httpclientandroidlib.conn.ManagedClientConnection managed}
* client connections.
* The connection in the pool entry is used to initialize the base class.
* In addition, methods to establish a route are delegated to the
* pool entry. {@link #shutdown shutdown} and {@link #close close}
* will clear the tracked route in the pool entry and call the
* respective method of the wrapped connection.
*
* @since 4.0
*
* @deprecated (4.2) do not use
*/
@Deprecated
public abstract class AbstractPooledConnAdapter extends AbstractClientConnAdapter {
/** The wrapped pool entry. */
protected volatile AbstractPoolEntry poolEntry;
/**
* Creates a new connection adapter.
*
* @param manager the connection manager
* @param entry the pool entry for the connection being wrapped
*/
protected AbstractPooledConnAdapter(final ClientConnectionManager manager,
final AbstractPoolEntry entry) {
super(manager, entry.connection);
this.poolEntry = entry;
}
public String getId() {
return null;
}
/**
* Obtains the pool entry.
*
* @return the pool entry, or <code>null</code> if detached
*
* @deprecated (4.0.1)
*/
@Deprecated
protected AbstractPoolEntry getPoolEntry() {
return this.poolEntry;
}
/**
* Asserts that there is a valid pool entry.
*
* @throws ConnectionShutdownException if there is no pool entry
* or connection has been aborted
*
* @see #assertValid(OperatedClientConnection)
*/
protected void assertValid(final AbstractPoolEntry entry) {
if (isReleased() || entry == null) {
throw new ConnectionShutdownException();
}
}
/**
* @deprecated (4.1) use {@link #assertValid(AbstractPoolEntry)}
*/
@Deprecated
protected final void assertAttached() {
if (poolEntry == null) {
throw new ConnectionShutdownException();
}
}
/**
* Detaches this adapter from the wrapped connection.
* This adapter becomes useless.
*/
@Override
protected synchronized void detach() {
poolEntry = null;
super.detach();
}
public HttpRoute getRoute() {
final AbstractPoolEntry entry = getPoolEntry();
assertValid(entry);
return (entry.tracker == null) ? null : entry.tracker.toRoute();
}
public void open(final HttpRoute route,
final HttpContext context, final HttpParams params)
throws IOException {
final AbstractPoolEntry entry = getPoolEntry();
assertValid(entry);
entry.open(route, context, params);
}
public void tunnelTarget(final boolean secure, final HttpParams params)
throws IOException {
final AbstractPoolEntry entry = getPoolEntry();
assertValid(entry);
entry.tunnelTarget(secure, params);
}
public void tunnelProxy(final HttpHost next, final boolean secure, final HttpParams params)
throws IOException {
final AbstractPoolEntry entry = getPoolEntry();
assertValid(entry);
entry.tunnelProxy(next, secure, params);
}
public void layerProtocol(final HttpContext context, final HttpParams params)
throws IOException {
final AbstractPoolEntry entry = getPoolEntry();
assertValid(entry);
entry.layerProtocol(context, params);
}
public void close() throws IOException {
final AbstractPoolEntry entry = getPoolEntry();
if (entry != null) {
entry.shutdownEntry();
}
final OperatedClientConnection conn = getWrappedConnection();
if (conn != null) {
conn.close();
}
}
public void shutdown() throws IOException {
final AbstractPoolEntry entry = getPoolEntry();
if (entry != null) {
entry.shutdownEntry();
}
final OperatedClientConnection conn = getWrappedConnection();
if (conn != null) {
conn.shutdown();
}
}
public Object getState() {
final AbstractPoolEntry entry = getPoolEntry();
assertValid(entry);
return entry.getState();
}
public void setState(final Object state) {
final AbstractPoolEntry entry = getPoolEntry();
assertValid(entry);
entry.setState(state);
}
}
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