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.spring.boot.cluster;
  
  import java.time.Duration;
  import java.util.Collections;
  import java.util.List;
  import java.util.Map;
  import java.util.Optional;
  import org.apache.camel.cluster.CamelClusterService;
  import org.apache.camel.impl.cluster.ClusteredRouteConfiguration;
  import org.apache.camel.impl.cluster.ClusteredRouteController;
  import org.apache.camel.impl.cluster.ClusteredRouteFilter;
  import org.apache.camel.impl.cluster.ClusteredRouteFilters;
  import org.apache.camel.spi.RouteController;
  import org.apache.camel.spring.boot.CamelAutoConfiguration;
  import org.apache.camel.util.ObjectHelper;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.beans.factory.config.ConfigurableBeanFactory;
  import org.springframework.boot.autoconfigure.AutoConfigureBefore;
  import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
  import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
  import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
  import org.springframework.boot.context.properties.EnableConfigurationProperties;
  import org.springframework.context.annotation.Bean;
  import org.springframework.context.annotation.Configuration;
  import org.springframework.context.annotation.Scope;
  
  @Configuration(proxyBeanMethods = false)
  @AutoConfigureBefore(CamelAutoConfiguration.class)
  @ConditionalOnProperty(prefix = "camel.clustered.controller", name = "enabled")
  @EnableConfigurationProperties(ClusteredRouteControllerConfiguration.class)
  public class ClusteredRouteControllerAutoConfiguration {
  
      @Autowired(required = false)
      private List<ClusteredRouteFilter> filters = Collections.emptyList();
  
      @Bean
      @Scope(ConfigurableBeanFactory.SCOPE_SINGLETON)
      @ConditionalOnMissingBean
      @ConditionalOnBean(CamelClusterService.class)
      public RouteController routeController(ClusteredRouteControllerConfiguration configuration) {
          ClusteredRouteController controller = new ClusteredRouteController();
          controller.setNamespace(configuration.getNamespace());
  
          Optional.ofNullable(configuration.getInitialDelay()).map(TimePatternConverter::toMilliSeconds)
                  .map(Duration::ofMillis).ifPresent(controller::setInitialDelay);
  
          controller.setFilters(filters);
          controller.addFilter(new ClusteredRouteFilters.IsAutoStartup());
  
          if (ObjectHelper.isNotEmpty(configuration.getClusterService())) {
              controller.setClusterService(configuration.getClusterService());
          }
  
          for (Map.Entry<String, ClusteredRouteControllerConfiguration.RouteConfiguration> entry : configuration
                  .getRoutes().entrySet()) {
              final String routeId = entry.getKey();
              final ClusteredRouteControllerConfiguration.RouteConfiguration conf = entry.getValue();
  
              if (conf.isClustered()) {
                  ClusteredRouteConfiguration routeConfiguration = new ClusteredRouteConfiguration();
  
                  routeConfiguration
                          .setNamespace(Optional.ofNullable(conf.getNamespace()).orElseGet(controller::getNamespace));
                  routeConfiguration.setInitialDelay(
                          Optional.ofNullable(conf.getInitialDelay()).map(TimePatternConverter::toMilliSeconds)
                                  .map(Duration::ofMillis).orElseGet(controller::getInitialDelay));
  
                  controller.addRouteConfiguration(routeId, routeConfiguration);
              } else {
                  controller.addFilter(new ClusteredRouteFilters.BlackList(routeId));
              }
          }
  
          return controller;
      }
  }
  