content: /*
   * Copyright The OpenTelemetry Authors
   * SPDX-License-Identifier: Apache-2.0
   */
  
  // Includes work from:
  /*
   * Apache Camel Opentracing Component
   *
   * 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
   *
   * <p>http://www.apache.org/licenses/LICENSE-2.0
   *
   * <p>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 io.opentelemetry.javaagent.instrumentation.apachecamel;
  
  import org.apache.camel.CamelContext;
  import org.apache.camel.StaticService;
  import org.apache.camel.model.RouteDefinition;
  import org.apache.camel.spi.RoutePolicy;
  import org.apache.camel.spi.RoutePolicyFactory;
  import org.apache.camel.support.ServiceSupport;
  import org.apache.camel.util.ObjectHelper;
  import org.apache.camel.util.ServiceHelper;
  
  public class CamelTracingService extends ServiceSupport
      implements RoutePolicyFactory, StaticService {
  
    private final CamelContext camelContext;
    private final CamelEventNotifier eventNotifier = new CamelEventNotifier();
    private final CamelRoutePolicy routePolicy = new CamelRoutePolicy();
  
    public CamelTracingService(CamelContext camelContext) {
      ObjectHelper.notNull(camelContext, "CamelContext", this);
      this.camelContext = camelContext;
    }
  
    @Override
    protected void doStart() throws Exception {
      camelContext.getManagementStrategy().addEventNotifier(eventNotifier);
      if (!camelContext.getRoutePolicyFactories().contains(this)) {
        camelContext.addRoutePolicyFactory(this);
      }
  
      ServiceHelper.startServices(eventNotifier);
    }
  
    @Override
    protected void doStop() throws Exception {
      // stop event notifier
      camelContext.getManagementStrategy().removeEventNotifier(eventNotifier);
      ServiceHelper.stopService(eventNotifier);
  
      // remove route policy
      camelContext.getRoutePolicyFactories().remove(this);
    }
  
    @Override
    public RoutePolicy createRoutePolicy(
        CamelContext camelContext, String routeId, RouteDefinition route) {
      return routePolicy;
    }
  }
  