content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * 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 com.alibaba.nacos.core.listener;
  
  import com.alibaba.nacos.core.code.SpringApplicationRunListener;
  import org.springframework.context.ConfigurableApplicationContext;
  import org.springframework.core.env.ConfigurableEnvironment;
  
  /**
   * Nacos Application Listener, execute init process.
   *
   * @author horizonzy
   * @since 1.4.1
   */
  public interface NacosApplicationListener {
      
      /**
       * {@link SpringApplicationRunListener#starting}.
       */
      default void starting() {
      }
      
      /**
       * {@link com.alibaba.nacos.core.code.SpringApplicationRunListener#environmentPrepared}.
       *
       * @param environment environment
       */
      default void environmentPrepared(ConfigurableEnvironment environment) {
      }
      
      /**
       * {@link com.alibaba.nacos.core.code.SpringApplicationRunListener#contextLoaded}.
       *
       * @param context context
       */
      default void contextPrepared(ConfigurableApplicationContext context) {
      }
      
      /**
       * {@link com.alibaba.nacos.core.code.SpringApplicationRunListener#contextLoaded}.
       *
       * @param context context
       */
      default void contextLoaded(ConfigurableApplicationContext context) {
      }
      
      /**
       * {@link com.alibaba.nacos.core.code.SpringApplicationRunListener#started}.
       *
       * @param context context
       */
      default void started(ConfigurableApplicationContext context) {
      }
      
      /**
       * {@link com.alibaba.nacos.core.code.SpringApplicationRunListener#ready}.
       *
       * @param context context
       */
      default void ready(ConfigurableApplicationContext context) {
      }
      
      /**
       * {@link com.alibaba.nacos.core.code.SpringApplicationRunListener#failed}.
       *
       * @param context   context
       * @param exception exception
       */
      default void failed(ConfigurableApplicationContext context, Throwable exception) {
      }
  }
  