/*
    * Copyright 2010 the original author or authors.
    * 
    * Licensed 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.openehealth.ipf.platform.camel.core.config;
  
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.Collections;
  import java.util.Comparator;
  import java.util.List;
  
  import org.apache.camel.CamelContext;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.openehealth.ipf.commons.core.config.OrderedConfigurer;
  import org.openehealth.ipf.commons.core.config.Registry;
  
  /**
   * 
   * Configurer used to autowire all classes extending
   * the {@link CustomRouteBuilder} abstract class.
   * 
   * @author Boris Stanojevic
   * 
   */
  public class CustomRouteBuilderConfigurer<R extends Registry> extends OrderedConfigurer<CustomRouteBuilder, R> 
         implements Comparator<CustomRouteBuilder> {
  
      private CamelContext camelContext;
      
      private static final Logger LOG = LoggerFactory.getLogger(CustomRouteBuilderConfigurer.class);
  
      @Override
      public Collection<CustomRouteBuilder> lookup(R registry) {        
          List<CustomRouteBuilder> list = new ArrayList<>(
                  registry.beans(CustomRouteBuilder.class).values());
          Collections.sort(list);
          return list;
      }
  
      
      @Override
      public int compare(CustomRouteBuilder rb1, CustomRouteBuilder rb2) {
          return rb1.compareTo(rb2);
      }
      
      @Override
      public void configure(CustomRouteBuilder configuration) throws Exception{
          if (configuration.getIntercepted() != null) {
              configuration.getIntercepted().includeRoutes(configuration);
          } else {
              camelContext.addRoutes(configuration);
          }
          LOG.debug("Custom route builder configured: {}", configuration);
      }
  
      public CamelContext getCamelContext() {
          return camelContext;
      }
  
      public void setCamelContext(CamelContext camelContext) {
          this.camelContext = camelContext;
      }
  
  }