content: /*
   * Copyright 2013-2023 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
   *
   *      https://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.cloud.examples;
  
  import java.util.Map;
  
  
  import com.alibaba.cloud.nacos.NacosDiscoveryProperties;
  import jakarta.annotation.Resource;
  
  import org.springframework.http.HttpStatus;
  import org.springframework.http.ResponseEntity;
  import org.springframework.web.bind.annotation.GetMapping;
  import org.springframework.web.bind.annotation.PathVariable;
  import org.springframework.web.bind.annotation.RequestParam;
  import org.springframework.web.bind.annotation.RestController;
  
  
  /**
   * Provide interfaces to consumers.
   *
   * @author fangjian0423, MieAh
   */
  @RestController
  public class EchoController {
  
  	@Resource
  	private NacosDiscoveryProperties nacosDiscoveryProperties;
  
  	@GetMapping("/")
  	public ResponseEntity<String> index() {
  		return new ResponseEntity<>("index error", HttpStatus.INTERNAL_SERVER_ERROR);
  	}
  
  	@GetMapping("/test")
  	public ResponseEntity<String> test() {
  		return new ResponseEntity<>("error", HttpStatus.INTERNAL_SERVER_ERROR);
  	}
  
  	@GetMapping("/sleep")
  	public String sleep() {
  		try {
  			Thread.sleep(1000L);
  		}
  		catch (InterruptedException e) {
  			e.printStackTrace();
  		}
  		return "ok";
  	}
  
  	@GetMapping("/echo/{string}")
  	public String echo(@PathVariable String string) {
  		return "hello Nacos Discovery " + string;
  	}
  
  	@GetMapping("/divide")
  	public String divide(@RequestParam Integer a, @RequestParam Integer b) {
  		if (b == 0) {
  			return String.valueOf(0);
  		}
  		else {
  			return String.valueOf(a / b);
  		}
  	}
  
  	@GetMapping("/zone")
  	public String zone() {
  		Map<String, String> metadata = nacosDiscoveryProperties.getMetadata();
  		return "provider zone " + metadata.get("zone");
  	}
  
  }
  