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.guava.eventbus;
  
  import com.google.common.eventbus.EventBus;
  import org.apache.camel.Endpoint;
  import org.apache.camel.Exchange;
  import org.apache.camel.support.DefaultProducer;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Guava EventBus (http://docs.guava-libraries.googlecode.com/git/javadoc/com/google/common/eventbus/EventBus.html)
   * producer forwarding messages from Camel routes to the bus.
   */
  public class GuavaEventBusProducer extends DefaultProducer {
  
      private static final Logger LOG = LoggerFactory.getLogger(GuavaEventBusProducer.class);
  
      private final EventBus eventBus;
  
      public GuavaEventBusProducer(Endpoint endpoint, EventBus eventBus) {
          super(endpoint);
          this.eventBus = eventBus;
      }
  
      @Override
      public void process(Exchange exchange) throws Exception {
          Object body = exchange.getIn().getBody();
          if (body != null) {
              LOG.debug("Posting: {} to EventBus: {}", body, eventBus);
              eventBus.post(body);
          } else {
              LOG.debug("Body is null, cannot post to EventBus");
          }
      }
  
  }
  