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 com.alibaba.cloudapp.config.demo;
  
  import com.alibaba.cloudapp.api.config.ConfigReadService;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.web.bind.annotation.GetMapping;
  import org.springframework.web.bind.annotation.RequestParam;
  import org.springframework.web.bind.annotation.ResponseBody;
  import org.springframework.web.bind.annotation.RestController;
  
  import java.util.function.Consumer;
  
  @RestController
  public class DemoConfigReadController {
      
      public static final Logger logger = LoggerFactory.getLogger(
              DemoConfigReadController.class);
      
      @Autowired
      private ConfigReadService configReadService;
      
      /**
       * curl 'http://127.0.0.1:8080/config?name=test'
       * curl 'http://127.0.0.1:8080/config?name=/DEFAULT_GROUP/test'
       *
       * @param name
       * @return
       */
      @ResponseBody
      @GetMapping("/config")
      public String getConfig(@RequestParam("name") String name) {
          String result = configReadService.getConfig(name);
          logger.info("getConfig name={},result={}", name, result);
          return result;
      }
      
      /**
       * curl 'http://127.0.0.1:8080/listen?name=test'
       * curl 'http://127.0.0.1:8080/listen?name=/DEFAULT_GROUP/test'
       *
       * @param name
       * @return
       */
      @ResponseBody
      @GetMapping("/listen")
      public String listen(@RequestParam("name") String name) {
          String result = configReadService.getAndListen(name,
                                                         new Consumer<String>() {
              
                                                             @Override
                                                             public void accept(
                                                                     String o) {
                                                                 logger.info(
                                                                         "receive content {} for configName={}",
                                                                         o, name
                                                                 );
                                                             }
                                                         }
          );
          logger.info("listenConfig name={},result={}", name, result);
          return result;
      }
      
  }
  