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    import javax.net.ssl.SSLEngine;
021    
022    import org.apache.camel.component.netty.handlers.ServerChannelHandler;
023    import org.apache.camel.component.netty.ssl.SSLEngineFactory;
024    import org.apache.commons.logging.Log;
025    import org.apache.commons.logging.LogFactory;
026    import org.jboss.netty.channel.ChannelDownstreamHandler;
027    import org.jboss.netty.channel.ChannelPipeline;
028    import org.jboss.netty.channel.ChannelPipelineFactory;
029    import org.jboss.netty.channel.ChannelUpstreamHandler;
030    import org.jboss.netty.channel.Channels;
031    import org.jboss.netty.handler.ssl.SslHandler;
032    
033    public class DefaultServerPipelineFactory implements ChannelPipelineFactory {
034        private static final transient Log LOG = LogFactory.getLog(DefaultServerPipelineFactory.class);
035        private NettyConsumer consumer;
036            
037        public DefaultServerPipelineFactory(NettyConsumer consumer) {
038            this.consumer = consumer; 
039        }    
040    
041        public ChannelPipeline getPipeline() throws Exception {
042            ChannelPipeline channelPipeline = Channels.pipeline();
043    
044            SslHandler sslHandler = configureServerSSLOnDemand();
045            if (sslHandler != null) {
046                if (LOG.isDebugEnabled()) {
047                    LOG.debug("Server SSL handler configured and added as an interceptor against the ChannelPipeline");
048                }
049                channelPipeline.addLast("ssl", sslHandler);            
050            }
051            List<ChannelDownstreamHandler> encoders = consumer.getConfiguration().getEncoders();
052            for (int x = 0; x < encoders.size(); x++) {
053                channelPipeline.addLast("encoder-" + x, encoders.get(x));
054            }
055    
056            List<ChannelUpstreamHandler> decoders = consumer.getConfiguration().getDecoders();
057            for (int x = 0; x < decoders.size(); x++) {
058                channelPipeline.addLast("decoder-" + x, decoders.get(x));
059            }
060    
061            // our handler must be added last
062            channelPipeline.addLast("handler", new ServerChannelHandler(consumer));
063    
064            return channelPipeline;
065        }
066        
067        private SslHandler configureServerSSLOnDemand() throws Exception {
068            if (!consumer.getConfiguration().isSsl()) {
069                return null;
070            }
071    
072            if (consumer.getConfiguration().getSslHandler() != null) {
073                return consumer.getConfiguration().getSslHandler();
074            } else {
075                SSLEngineFactory sslEngineFactory = new SSLEngineFactory(
076                    consumer.getConfiguration().getKeyStoreFormat(),
077                    consumer.getConfiguration().getSecurityProvider(),
078                    consumer.getConfiguration().getKeyStoreFile(), 
079                    consumer.getConfiguration().getTrustStoreFile(), 
080                    consumer.getConfiguration().getPassphrase().toCharArray());
081                SSLEngine sslEngine = sslEngineFactory.createServerSSLEngine();
082                return new SslHandler(sslEngine);
083            }
084        }   
085    
086    }