/**
* 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;
import java.util.List;
import java.util.concurrent.TimeUnit;
import javax.net.ssl.SSLEngine;
import org.apache.camel.AsyncCallback;
import org.apache.camel.Exchange;
import org.apache.camel.component.netty.handlers.ClientChannelHandler;
import org.apache.camel.component.netty.ssl.SSLEngineFactory;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jboss.netty.channel.ChannelDownstreamHandler;
import org.jboss.netty.channel.ChannelPipeline;
import org.jboss.netty.channel.ChannelPipelineFactory;
import org.jboss.netty.channel.ChannelUpstreamHandler;
import org.jboss.netty.channel.Channels;
import org.jboss.netty.handler.ssl.SslHandler;
import org.jboss.netty.handler.timeout.ReadTimeoutHandler;
import org.jboss.netty.util.HashedWheelTimer;
import org.jboss.netty.util.Timer;
public class ClientPipelineFactory implements ChannelPipelineFactory {
private static final transient Log LOG = LogFactory.getLog(ClientPipelineFactory.class);
private final NettyProducer producer;
private final Exchange exchange;
private final AsyncCallback callback;
public ClientPipelineFactory(NettyProducer producer, Exchange exchange, AsyncCallback callback) {
this.producer = producer;
this.exchange = exchange;
this.callback = callback;
}
public ChannelPipeline getPipeline() throws Exception {
// create a new pipeline
ChannelPipeline channelPipeline = Channels.pipeline();
SslHandler sslHandler = configureClientSSLOnDemand();
if (sslHandler != null) {
if (LOG.isDebugEnabled()) {
LOG.debug("Client SSL handler configured and added to the ChannelPipeline");
}
channelPipeline.addLast("ssl", sslHandler);
}
// use read timeout handler to handle timeout while waiting for a remote reply (while reading from the remote host)
if (producer.getConfiguration().getTimeout() > 0) {
Timer timer = new HashedWheelTimer();
channelPipeline.addLast("timeout", new ReadTimeoutHandler(timer, producer.getConfiguration().getTimeout(), TimeUnit.MILLISECONDS));
}
List<ChannelUpstreamHandler> decoders = producer.getConfiguration().getDecoders();
for (int x = 0; x < decoders.size(); x++) {
channelPipeline.addLast("decoder-" + x, decoders.get(x));
}
List<ChannelDownstreamHandler> encoders = producer.getConfiguration().getEncoders();
for (int x = 0; x < encoders.size(); x++) {
channelPipeline.addLast("encoder-" + x, encoders.get(x));
}
// our handler must be added last
channelPipeline.addLast("handler", new ClientChannelHandler(producer, exchange, callback));
return channelPipeline;
}
private SslHandler configureClientSSLOnDemand() throws Exception {
if (!producer.getConfiguration().isSsl()) {
return null;
}
if (producer.getConfiguration().getSslHandler() != null) {
return producer.getConfiguration().getSslHandler();
} else {
if (producer.getConfiguration().getKeyStoreFile() == null) {
LOG.debug("keystorefile is null");
}
if (producer.getConfiguration().getTrustStoreFile() == null) {
LOG.debug("truststorefile is null");
}
if (producer.getConfiguration().getPassphrase().toCharArray() == null) {
LOG.debug("passphrase is null");
}
SSLEngineFactory sslEngineFactory = new SSLEngineFactory(
producer.getConfiguration().getKeyStoreFormat(),
producer.getConfiguration().getSecurityProvider(),
producer.getConfiguration().getKeyStoreFile(),
producer.getConfiguration().getTrustStoreFile(),
producer.getConfiguration().getPassphrase().toCharArray());
SSLEngine sslEngine = sslEngineFactory.createClientSSLEngine();
return new SslHandler(sslEngine);
}
}
}