[JAVA-26374-spring-resttemplate] Moved "RestTemplate Post Request wit… (#15104)
* [JAVA-26374-spring-resttemplate] Moved "RestTemplate Post Request with JSON" to spring-resttemplate-1 * [JAVA-26374] Moved "Get and Post Lists of Objects with RestTemplate" article to spring-resttemplate-1
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panos-kakos
@@ -7,7 +7,6 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring
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### Relevant Articles:
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- [Uploading MultipartFile with Spring RestTemplate](https://www.baeldung.com/spring-rest-template-multipart-upload)
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- [Get and Post Lists of Objects with RestTemplate](https://www.baeldung.com/spring-rest-template-list)
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- [Download a Large File Through a Spring RestTemplate](https://www.baeldung.com/spring-resttemplate-download-large-file)
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- [Access HTTPS REST Service Using Spring RestTemplate](https://www.baeldung.com/spring-resttemplate-secure-https-service)
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- [Encoding of URI Variables on RestTemplate](https://www.baeldung.com/spring-resttemplate-uri-variables-encode)
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-16
@@ -1,16 +0,0 @@
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package com.baeldung.resttemplate.lists;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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/**
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* Sample application used to demonstrate working with Lists and RestTemplate.
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*/
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@SpringBootApplication
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public class EmployeeApplication
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{
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public static void main(String[] args)
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{
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SpringApplication.run(EmployeeApplication.class, args);
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}
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}
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-120
@@ -1,120 +0,0 @@
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package com.baeldung.resttemplate.lists.client;
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import com.baeldung.resttemplate.lists.dto.Employee;
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import com.baeldung.resttemplate.lists.dto.EmployeeList;
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import org.springframework.core.ParameterizedTypeReference;
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import org.springframework.http.HttpMethod;
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import org.springframework.http.ResponseEntity;
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import org.springframework.web.client.RestTemplate;
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import java.util.ArrayList;
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import java.util.List;
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import static java.util.Arrays.asList;
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/**
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* Application that shows how to use Lists with RestTemplate.
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*/
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public class EmployeeClient {
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public static void main(String[] args) {
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EmployeeClient employeeClient = new EmployeeClient();
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System.out.println("Calling GET for entity using arrays");
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employeeClient.getForEntityEmployeesAsArray();
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System.out.println("Calling GET using ParameterizedTypeReference");
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employeeClient.getAllEmployeesUsingParameterizedTypeReference();
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System.out.println("Calling GET using wrapper class");
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employeeClient.getAllEmployeesUsingWrapperClass();
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System.out.println("Calling POST using normal lists");
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employeeClient.createEmployeesUsingLists();
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System.out.println("Calling POST using wrapper class");
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employeeClient.createEmployeesUsingWrapperClass();
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}
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public EmployeeClient() {
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}
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public Employee[] getForEntityEmployeesAsArray() {
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RestTemplate restTemplate = new RestTemplate();
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ResponseEntity<Employee[]> response =
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restTemplate.getForEntity(
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"http://localhost:8082/spring-rest/employees/",
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Employee[].class);
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Employee[] employees = response.getBody();
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assert employees != null;
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asList(employees).forEach(System.out::println);
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return employees;
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}
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public List<Employee> getAllEmployeesUsingParameterizedTypeReference() {
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RestTemplate restTemplate = new RestTemplate();
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ResponseEntity<List<Employee>> response =
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restTemplate.exchange(
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"http://localhost:8082/spring-rest/employees/",
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HttpMethod.GET,
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null,
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new ParameterizedTypeReference<List<Employee>>() {
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});
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List<Employee> employees = response.getBody();
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assert employees != null;
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employees.forEach(System.out::println);
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return employees;
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}
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public List<Employee> getAllEmployeesUsingWrapperClass() {
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RestTemplate restTemplate = new RestTemplate();
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EmployeeList response =
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restTemplate.getForObject(
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"http://localhost:8082/spring-rest/employees/v2",
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EmployeeList.class);
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List<Employee> employees = response.getEmployees();
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employees.forEach(System.out::println);
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return employees;
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}
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public void createEmployeesUsingLists() {
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RestTemplate restTemplate = new RestTemplate();
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List<Employee> newEmployees = new ArrayList<>();
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newEmployees.add(new Employee(3, "Intern"));
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newEmployees.add(new Employee(4, "CEO"));
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restTemplate.postForObject(
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"http://localhost:8082/spring-rest/employees/",
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newEmployees,
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ResponseEntity.class);
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}
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public void createEmployeesUsingWrapperClass() {
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RestTemplate restTemplate = new RestTemplate();
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List<Employee> newEmployees = new ArrayList<>();
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newEmployees.add(new Employee(3, "Intern"));
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newEmployees.add(new Employee(4, "CEO"));
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restTemplate.postForObject(
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"http://localhost:8082/spring-rest/employees/v2/",
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new EmployeeList(newEmployees),
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ResponseEntity.class);
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}
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}
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-46
@@ -1,46 +0,0 @@
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package com.baeldung.resttemplate.lists.controller;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.web.bind.annotation.RequestBody;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestMethod;
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import org.springframework.web.bind.annotation.RestController;
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import com.baeldung.resttemplate.lists.dto.Employee;
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import com.baeldung.resttemplate.lists.dto.EmployeeList;
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import com.baeldung.resttemplate.lists.service.EmployeeService;
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import java.util.List;
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@RestController
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@RequestMapping("/employees")
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public class EmployeeResource
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{
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@Autowired
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private EmployeeService employeeService;
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@RequestMapping(method = RequestMethod.GET, path = "/")
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public List<Employee> getEmployees()
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{
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return employeeService.getAllEmployees();
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}
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@RequestMapping(method = RequestMethod.GET, path = "/v2")
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public EmployeeList getEmployeesUsingWrapperClass()
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{
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List<Employee> employees = employeeService.getAllEmployees();
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return new EmployeeList(employees);
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}
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@RequestMapping(method = RequestMethod.POST, path = "/")
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public void addEmployees(@RequestBody List<Employee> employees)
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{
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employeeService.addEmployees(employees);
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}
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@RequestMapping(method = RequestMethod.POST, path = "/v2")
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public void addEmployeesUsingWrapperClass(@RequestBody EmployeeList employeeWrapper)
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{
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employeeService.addEmployees(employeeWrapper.getEmployees());
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}
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}
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-40
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package com.baeldung.resttemplate.lists.dto;
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public class Employee {
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public long id;
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public String title;
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public Employee()
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{
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}
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public Employee(long id, String title)
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{
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this.id = id;
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this.title = title;
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}
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public long getId() {
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return id;
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}
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public void setId(long id) {
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this.id = id;
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}
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public String getTitle() {
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return title;
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}
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public void setTitle(String title) {
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this.title = title;
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}
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@Override
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public String toString()
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{
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return "Employee #" + id + "[" + title + "]";
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}
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}
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-29
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package com.baeldung.resttemplate.lists.dto;
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import java.util.ArrayList;
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import java.util.List;
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public class EmployeeList
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{
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public List<Employee> employees;
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public EmployeeList()
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{
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employees = new ArrayList<>();
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}
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public EmployeeList(List<Employee> employees)
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{
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this.employees = employees;
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}
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public void setEmployees(List<Employee> employees)
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{
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this.employees = employees;
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}
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public List<Employee> getEmployees()
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{
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return employees;
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}
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}
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-25
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package com.baeldung.resttemplate.lists.service;
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import org.springframework.stereotype.Service;
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import com.baeldung.resttemplate.lists.dto.Employee;
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import java.util.ArrayList;
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import java.util.List;
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@Service("EmployeeListService")
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public class EmployeeService
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{
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public List<Employee> getAllEmployees()
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{
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List<Employee> employees = new ArrayList<>();
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employees.add(new Employee(1, "Manager"));
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employees.add(new Employee(2, "Java Developer"));
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return employees;
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}
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public void addEmployees(List<Employee> employees)
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{
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employees.forEach(e -> System.out.println("Adding new employee " + e));
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}
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}
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