001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.camel.component.netty;
018    
019    import java.util.List;
020    
021    import javax.net.ssl.SSLEngine;
022    
023    import org.apache.camel.AsyncCallback;
024    import org.apache.camel.Exchange;
025    import org.apache.camel.component.netty.handlers.ClientChannelHandler;
026    import org.apache.camel.component.netty.ssl.SSLEngineFactory;
027    import org.jboss.netty.channel.ChannelDownstreamHandler;
028    import org.jboss.netty.channel.ChannelPipeline;
029    import org.jboss.netty.channel.ChannelUpstreamHandler;
030    import org.jboss.netty.channel.Channels;
031    import org.jboss.netty.handler.ssl.SslHandler;
032    import org.slf4j.Logger;
033    import org.slf4j.LoggerFactory;
034    
035    public class DefaultClientPipelineFactory extends ClientPipelineFactory {
036        private static final transient Logger LOG = LoggerFactory.getLogger(ClientPipelineFactory.class);
037    
038        public DefaultClientPipelineFactory(NettyProducer producer, Exchange exchange, AsyncCallback callback) {
039            super(producer, exchange, callback);
040        }
041    
042        public ChannelPipeline getPipeline() throws Exception {
043            // create a new pipeline
044            ChannelPipeline channelPipeline = Channels.pipeline();
045    
046            SslHandler sslHandler = configureClientSSLOnDemand();
047            if (sslHandler != null) {
048                if (LOG.isDebugEnabled()) {
049                    LOG.debug("Client SSL handler configured and added to the ChannelPipeline");
050                }
051                channelPipeline.addLast("ssl", sslHandler);
052            }
053    
054            List<ChannelUpstreamHandler> decoders = producer.getConfiguration().getDecoders();
055            for (int x = 0; x < decoders.size(); x++) {
056                channelPipeline.addLast("decoder-" + x, decoders.get(x));
057            }
058    
059            List<ChannelDownstreamHandler> encoders = producer.getConfiguration().getEncoders();
060            for (int x = 0; x < encoders.size(); x++) {
061                channelPipeline.addLast("encoder-" + x, encoders.get(x));
062            }
063    
064            // our handler must be added last
065            channelPipeline.addLast("handler", new ClientChannelHandler(producer, exchange, callback));
066    
067            return channelPipeline;
068        }
069    
070        private SslHandler configureClientSSLOnDemand() throws Exception {
071            if (!producer.getConfiguration().isSsl()) {
072                return null;
073            }
074    
075            if (producer.getConfiguration().getSslHandler() != null) {
076                return producer.getConfiguration().getSslHandler();
077            } else {
078                if (producer.getConfiguration().getKeyStoreFile() == null) {
079                    LOG.debug("keystorefile is null");
080                }
081                if (producer.getConfiguration().getTrustStoreFile() == null) {
082                    LOG.debug("truststorefile is null");
083                }
084                if (producer.getConfiguration().getPassphrase().toCharArray() == null) {
085                    LOG.debug("passphrase is null");
086                }
087                SSLEngineFactory sslEngineFactory = new SSLEngineFactory(
088                    producer.getConfiguration().getKeyStoreFormat(),
089                    producer.getConfiguration().getSecurityProvider(),
090                    producer.getConfiguration().getKeyStoreFile(),
091                    producer.getConfiguration().getTrustStoreFile(),
092                    producer.getConfiguration().getPassphrase().toCharArray());
093                SSLEngine sslEngine = sslEngineFactory.createClientSSLEngine();
094                return new SslHandler(sslEngine);
095            }
096        }
097    
098    }