/**
* 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.
*/
package org.apache.camel.component.netty.handlers;
import java.net.SocketAddress;
import org.apache.camel.CamelExchangeException;
import org.apache.camel.Exchange;
import org.apache.camel.component.netty.NettyConstants;
import org.apache.camel.component.netty.NettyConsumer;
import org.apache.camel.component.netty.NettyHelper;
import org.jboss.netty.channel.ChannelFuture;
import org.jboss.netty.channel.ChannelFutureListener;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* A {@link org.jboss.netty.channel.ChannelFutureListener} that performs the disconnect logic when
* sending the response is complete.
*/
public class ServerResponseFutureListener implements ChannelFutureListener {
// use NettyConsumer as logger to make it easier to read the logs as this is part of the consumer
private static final Logger LOG = LoggerFactory.getLogger(NettyConsumer.class);
private final NettyConsumer consumer;
private final Exchange exchange;
private final SocketAddress remoteAddress;
public ServerResponseFutureListener(NettyConsumer consumer, Exchange exchange, SocketAddress remoteAddress) {
this.consumer = consumer;
this.exchange = exchange;
this.remoteAddress = remoteAddress;
}
@Override
public void operationComplete(ChannelFuture future) throws Exception {
// if it was not a success then thrown an exception
if (!future.isSuccess()) {
Exception e = new CamelExchangeException("Cannot write response to " + remoteAddress, exchange, future.getCause());
consumer.getExceptionHandler().handleException(e);
}
// should channel be closed after complete?
Boolean close;
if (exchange.hasOut()) {
close = exchange.getOut().getHeader(NettyConstants.NETTY_CLOSE_CHANNEL_WHEN_COMPLETE, Boolean.class);
} else {
close = exchange.getIn().getHeader(NettyConstants.NETTY_CLOSE_CHANNEL_WHEN_COMPLETE, Boolean.class);
}
// check the setting on the exchange property
if (close == null) {
close = exchange.getProperty(NettyConstants.NETTY_CLOSE_CHANNEL_WHEN_COMPLETE, Boolean.class);
}
// should we disconnect, the header can override the configuration
boolean disconnect = consumer.getConfiguration().isDisconnect();
if (close != null) {
disconnect = close;
}
if (disconnect) {
if (LOG.isTraceEnabled()) {
LOG.trace("Closing channel when complete at address: {}", remoteAddress);
}
NettyHelper.close(future.getChannel());
}
}
}