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.cron;
  
  import java.util.Map;
  
  import org.apache.camel.Endpoint;
  import org.apache.camel.RuntimeCamelException;
  import org.apache.camel.component.cron.api.CamelCronConfiguration;
  import org.apache.camel.component.cron.api.CamelCronService;
  import org.apache.camel.spi.Metadata;
  import org.apache.camel.spi.annotations.Component;
  import org.apache.camel.support.DefaultComponent;
  import org.apache.camel.support.DefaultEndpoint;
  import org.apache.camel.util.ObjectHelper;
  
  /**
   * Another Camel cron component.
   */
  @Component("cron")
  public class CronComponent extends DefaultComponent {
  
      @Metadata(label = "advanced")
      private String cronService;
  
      private CamelCronService service;
  
      public CronComponent() {
      }
  
      @Override
      public Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception {
          CamelCronConfiguration configuration = new CamelCronConfiguration();
          configuration.setName(remaining);
  
          // special for schedule where we replace + as space
          String schedule = getAndRemoveParameter(parameters, "schedule", String.class);
          if (schedule != null) {
              // replace + as space
              schedule = schedule.replace('+', ' ');
          }
          configuration.setSchedule(schedule);
  
          CronEndpoint answer = new CronEndpoint(uri, this, configuration);
          setProperties(answer, parameters);
  
          // validate configuration
          validate(configuration);
  
          // create delegate and set on endpoint
          Endpoint delegate = this.service.createEndpoint(configuration);
          answer.setDelegate(delegate);
          if (delegate instanceof DefaultEndpoint) {
              DefaultEndpoint de = (DefaultEndpoint) delegate;
              de.setAutowiredEnabled(answer.isAutowiredEnabled());
              de.setBridgeErrorHandler(answer.isBridgeErrorHandler());
              de.setExceptionHandler(answer.getExceptionHandler());
              de.setExchangePattern(answer.getExchangePattern());
          }
  
          return answer;
      }
  
      @Override
      protected void doInit() throws Exception {
          initCamelCronService();
      }
  
      /**
       * Lazy creation of the CamelCronService
       */
      public void initCamelCronService() {
          if (this.service == null) {
              this.service = CronHelper.resolveCamelCronService(
                      getCamelContext(),
                      this.cronService);
  
              if (this.service == null) {
                  throw new RuntimeCamelException(
                          "Cannot find any CamelCronService: please add a valid implementation, such as 'camel-quartz', in order to use the 'camel-cron' component");
              }
  
              try {
                  getCamelContext().addService(this.service, true, false);
              } catch (Exception e) {
                  throw new RuntimeCamelException(e);
              }
          }
      }
  
      public CamelCronService getService() {
          return service;
      }
  
      public String getCronService() {
          return cronService;
      }
  
      /**
       * The id of the CamelCronService to use when multiple implementations are provided
       */
      public void setCronService(String cronService) {
          this.cronService = cronService;
      }
  
      private void validate(CamelCronConfiguration configuration) {
          ObjectHelper.notNull(configuration, "configuration");
          ObjectHelper.notNull(configuration.getName(), "name");
          ObjectHelper.notNull(configuration.getSchedule(), "schedule");
  
          String[] parts = configuration.getSchedule().split("\\s");
          if (parts.length < 5 || parts.length > 7) {
              throw new IllegalArgumentException(
                      "Invalid number of parts in cron expression. Expected 5 to 7, got: " + parts.length);
          }
      }
  
  }
  