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.controlbus;
  
  import java.util.Map;
  import java.util.concurrent.ExecutorService;
  
  import org.apache.camel.Endpoint;
  import org.apache.camel.support.DefaultComponent;
  
  /**
   * The <a href="http://camel.apache.org/controlbus.html">Control Bus component</a> allows sending messages to a
   * control-bus endpoint to control the lifecycle of routes.
   */
  @org.apache.camel.spi.annotations.Component("controlbus")
  public class ControlBusComponent extends DefaultComponent {
  
      private ExecutorService executorService;
  
      public ControlBusComponent() {
      }
  
      @Override
      protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception {
          ControlBusEndpoint answer = new ControlBusEndpoint(uri, this);
  
          // does the control bus use a language
          if (remaining != null && remaining.startsWith("language:")) {
              String lan = remaining.substring(9);
              answer.setLanguage(getCamelContext().resolveLanguage(lan));
          }
  
          setProperties(answer, parameters);
          return answer;
      }
  
      ExecutorService getExecutorService() {
          lock.lock();
          try {
              if (executorService == null) {
                  executorService = getCamelContext().getExecutorServiceManager().newDefaultThreadPool(this, "ControlBus");
              }
              return executorService;
          } finally {
              lock.unlock();
          }
      }
  
      @Override
      protected void doStop() throws Exception {
          if (executorService != null) {
              getCamelContext().getExecutorServiceManager().shutdownNow(executorService);
              executorService = null;
          }
          super.doStop();
      }
  }
  