content: /*
   * 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.lumberjack.io;
  
  import javax.net.ssl.SSLContext;
  import javax.net.ssl.SSLEngine;
  
  import io.netty.channel.Channel;
  import io.netty.channel.ChannelInitializer;
  import io.netty.channel.ChannelPipeline;
  import io.netty.handler.ssl.SslHandler;
  import io.netty.util.concurrent.EventExecutorGroup;
  
  final class LumberjackChannelInitializer extends ChannelInitializer<Channel> {
      private final SSLContext sslContext;
      private final EventExecutorGroup messageExecutorService;
      private final LumberjackMessageProcessor messageProcessor;
  
      LumberjackChannelInitializer(SSLContext sslContext, EventExecutorGroup messageExecutorService,
                                   LumberjackMessageProcessor messageProcessor) {
          this.sslContext = sslContext;
          this.messageExecutorService = messageExecutorService;
          this.messageProcessor = messageProcessor;
      }
  
      @Override
      protected void initChannel(Channel ch) throws Exception {
          ChannelPipeline pipeline = ch.pipeline();
  
          // Add SSL support if configured
          if (sslContext != null) {
              SSLEngine sslEngine = sslContext.createSSLEngine();
              sslEngine.setUseClientMode(false);
              pipeline.addLast(new SslHandler(sslEngine));
          }
  
          // add ack encoder
          pipeline.addLast(new LumberjackAckEncoder());
  
          // Add the lumberjack frame decoder and bridge to Camel
          pipeline.addLast(messageExecutorService, new LumberjackFrameDecoder(), new LumberjackMessageHandler(messageProcessor));
      }
  }
  