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Create a REST controller class

Deepika Sahu answered on December 30, 2022 Popularity 5/10 Helpfulness 1/10

answer Create a REST controller class

Create a REST controller class

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package com.howtodoinjava.example.apigateway.controller;
 
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.loadbalancer.LoadBalanced;
import org.springframework.context.annotation.Bean;
import org.springframework.core.ParameterizedTypeReference;
import org.springframework.http.HttpMethod;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;
 
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
 
@RestController
public class EmployeeController {
   
  @Autowired
    RestTemplate restTemplate;
  
    @RequestMapping(value = "/employeeDetails/{employeeid}", method = RequestMethod.GET)
    @HystrixCommand(fallbackMethod = "fallbackMethod")
    public String getStudents(@PathVariable int employeeid)
    {
        System.out.println("Getting Employee details for " + employeeid);
  
        String response = restTemplate.exchange("http://employee-service/findEmployeeDetails/{employeeid}",
                                HttpMethod.GET, null, new ParameterizedTypeReference<String>() {}, employeeid).getBody();
  
        System.out.println("Response Body " + response);
  
        return "Employee Id -  " + employeeid + " [ Employee Details " + response+" ]";
    }
     
    public String  fallbackMethod(int employeeid){
       
      return "Fallback response:: No employee details available temporarily";
    }
  
    @Bean
    @LoadBalanced
    public RestTemplate restTemplate() {
        return new RestTemplate();
    }
}

Popularity 5/10 Helpfulness 1/10 Language java

Source: howtodoinjava.com

Tags: class controller java rest

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Contributed on Dec 30 2022

Deepika Sahu

0 Answers Avg Quality 2/10

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