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.ehcache.springboot.customizer;
  
  import org.apache.camel.Component;
  import org.apache.camel.Ordered;
  import org.apache.camel.component.ehcache.EhcacheComponent;
  import org.apache.camel.component.ehcache.springboot.EhcacheComponentAutoConfiguration;
  import org.apache.camel.spi.ComponentCustomizer;
  import org.apache.camel.spi.HasId;
  import org.apache.camel.spring.boot.CamelAutoConfiguration;
  import org.apache.camel.spring.boot.util.ConditionalOnHierarchicalProperties;
  import org.ehcache.CacheManager;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.boot.autoconfigure.AutoConfigureAfter;
  import org.springframework.boot.autoconfigure.AutoConfigureBefore;
  import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
  import org.springframework.boot.context.properties.EnableConfigurationProperties;
  import org.springframework.context.annotation.Configuration;
  
  /**
   * A simple implementation of {@link ComponentCustomizer} that auto discovers a {@link CacheManager} instance and bind
   * it to the {@link EhcacheComponent} component.
   *
   * This customizer can be disabled/enabled with different strategies:
   *
   * 1. globally using: camel.component.customizer.enable = true/false 2. for component:
   * camel.component.ehcache.customizer.enabled = true/false 3. individually:
   * camel.component.ehcache.customizer.cache-manager.enabled = true/false
   */
  @Configuration(proxyBeanMethods = false)
  @ConditionalOnBean({ CamelAutoConfiguration.class, CacheManager.class })
  @ConditionalOnHierarchicalProperties({ "camel.component.customizer", "camel.component.ehcache.customizer",
          "camel.component.ehcache.customizer.cache-manager" })
  @AutoConfigureAfter(CamelAutoConfiguration.class)
  @EnableConfigurationProperties(CacheManagerCustomizerConfiguration.class)
  public class CacheManagerCustomizer implements HasId, ComponentCustomizer {
      @Autowired
      private CacheManager cacheManager;
      @Autowired
      private CacheManagerCustomizerConfiguration configuration;
  
      @Override
      public void configure(String name, Component target) {
          EhcacheComponent component = (EhcacheComponent) target;
  
          // Set the cache manager only if the customizer is configured to always
          // set it or if no cache manager is already configured on component
          if (configuration.isOverride() || component.getCacheManager() == null) {
              component.setCacheManager(cacheManager);
          }
      }
  
      @Override
      public boolean isEnabled(String name, Component target) {
          return target instanceof EhcacheComponent;
      }
  
      @Override
      public int getOrder() {
          return Ordered.LOWEST;
      }
  
      @Override
      public String getId() {
          return "camel.component.ehcache.customizer.cache-manager";
      }
  }
  