/*
 * ====================================================================
 * 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.nio;

import java.io.IOException;

import org.apache.http.HttpResponseFactory;
import org.apache.http.impl.DefaultHttpResponseFactory;
import org.apache.http.impl.nio.reactor.AbstractIODispatch;
import org.apache.http.nio.NHttpClientHandler;
import org.apache.http.nio.NHttpClientIOTarget;
import org.apache.http.nio.reactor.IOSession;
import org.apache.http.nio.util.ByteBufferAllocator;
import org.apache.http.nio.util.HeapByteBufferAllocator;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.apache.http.util.Args;

Default implementation of IOEventDispatch interface for plain (unencrypted) client-side HTTP connections.
Since:4.0
Deprecated:(4.2) use DefaultHttpClientIODispatch
/** * Default implementation of {@link org.apache.http.nio.reactor.IOEventDispatch} * interface for plain (unencrypted) client-side HTTP connections. * * @since 4.0 * * @deprecated (4.2) use {@link DefaultHttpClientIODispatch} */
@Deprecated public class DefaultClientIOEventDispatch extends AbstractIODispatch<NHttpClientIOTarget> { protected final NHttpClientHandler handler; protected final ByteBufferAllocator allocator; protected final HttpParams params;
Creates a new instance of this class to be used for dispatching I/O event notifications to the given protocol handler.
Params:
  • handler – the client protocol handler.
  • params – HTTP parameters.
/** * Creates a new instance of this class to be used for dispatching I/O event * notifications to the given protocol handler. * * @param handler the client protocol handler. * @param params HTTP parameters. */
public DefaultClientIOEventDispatch( final NHttpClientHandler handler, final HttpParams params) { super(); Args.notNull(handler, "HTTP client handler"); Args.notNull(params, "HTTP parameters"); this.allocator = createByteBufferAllocator(); this.handler = handler; this.params = params; }
Creates an instance of HeapByteBufferAllocator to be used by HTTP connections for allocating ByteBuffer objects.

This method can be overridden in a super class in order to provide a different implementation of the ByteBufferAllocator interface.

Returns:byte buffer allocator.
/** * Creates an instance of {@link HeapByteBufferAllocator} to be used * by HTTP connections for allocating {@link java.nio.ByteBuffer} objects. * <p> * This method can be overridden in a super class in order to provide * a different implementation of the {@link ByteBufferAllocator} interface. * * @return byte buffer allocator. */
protected ByteBufferAllocator createByteBufferAllocator() { return HeapByteBufferAllocator.INSTANCE; }
Creates an instance of DefaultHttpResponseFactory to be used by HTTP connections for creating HttpResponse objects.

This method can be overridden in a super class in order to provide a different implementation of the HttpResponseFactory interface.

Returns:HTTP response factory.
/** * Creates an instance of {@link DefaultHttpResponseFactory} to be used * by HTTP connections for creating {@link org.apache.http.HttpResponse} * objects. * <p> * This method can be overridden in a super class in order to provide * a different implementation of the {@link HttpResponseFactory} interface. * * @return HTTP response factory. */
protected HttpResponseFactory createHttpResponseFactory() { return DefaultHttpResponseFactory.INSTANCE; }
Creates an instance of DefaultNHttpClientConnection based on the given IOSession.

This method can be overridden in a super class in order to provide a different implementation of the NHttpClientIOTarget interface.

Params:
  • session – the underlying I/O session.
Returns:newly created HTTP connection.
/** * Creates an instance of {@link DefaultNHttpClientConnection} based on the * given {@link IOSession}. * <p> * This method can be overridden in a super class in order to provide * a different implementation of the {@link NHttpClientIOTarget} interface. * * @param session the underlying I/O session. * * @return newly created HTTP connection. */
@Override protected NHttpClientIOTarget createConnection(final IOSession session) { return new DefaultNHttpClientConnection( session, createHttpResponseFactory(), this.allocator, this.params); } @Override protected void onConnected(final NHttpClientIOTarget conn) { final int timeout = HttpConnectionParams.getSoTimeout(this.params); conn.setSocketTimeout(timeout); final Object attachment = conn.getContext().getAttribute(IOSession.ATTACHMENT_KEY); this.handler.connected(conn, attachment); } @Override protected void onClosed(final NHttpClientIOTarget conn) { this.handler.closed(conn); } @Override protected void onException(final NHttpClientIOTarget conn, final IOException ex) { this.handler.exception(conn, ex); } @Override protected void onInputReady(final NHttpClientIOTarget conn) { conn.consumeInput(this.handler); } @Override protected void onOutputReady(final NHttpClientIOTarget conn) { conn.produceOutput(this.handler); } @Override protected void onTimeout(final NHttpClientIOTarget conn) { this.handler.timeout(conn); } }