Spring Boot Restful Web Services CRUD Example GET & POST | Tutorial - 2

Spring Boot Restful Web Services CRUD Example GET & POST

Welcome to spring boot restful web services crud example tutorial.

In this spring boot restful web services crud example tutorial we will learn following:

1. How to implement spring boot crud operations example for sample Account spring boot restful web service.

2. As part of spring boot restful web services crud example we will learn implementation of GET & POST methods.

In previous spring boot restful web services crud example tutorial we have learned following:

1. How to create spring boot restful web services example project using spring tool suite.

2. How to implement a basic spring boot restful web services crud example for sample Account spring boot restful web service.

In this spring boot restful web services crud example tutorial we will learn about GET & POST method implementation. And also about different spring boot annotations.

Content of this spring boot restful web services crud example tutorial is are as follows:

1. Implementing a spring boot restful web services crud example domain
2. Implementing a spring boot restful web services crud example service
3. Implementing a spring boot restful web services crud example controller
4. CURL commands for GET & POST

spring boot CRUD operations means implementing CRUD operations using spring boot. Spring boot CRUD operations involves different operations such as create, read, update & delete. With respect to this different spring boot crud operations there are different HTTP methods such as POST, GET, PUT & DELETE.

For more details please check out following videos:

• Restful Web Service Tutorial
• Spring Boot Restful Web Service Tutorial

Implementing a spring boot restful web services crud example domain

	package com.sjtech.domain;
	public class Account {
	String name;
	Long id;
	String email;
	public String getName() {
	return name;
	}
	public void setName(String name) {
	this.name = name;
	}
	public Long getId() {
	return id;
	}
	public void setId(Long id) {
	this.id = id;
	}
	public String getEmail() {
	return email;
	}
	public void setEmail(String email) {
	this.email = email;
	}
	}

view raw Account.java hosted with ❤ by GitHub

Implementing a spring boot restful web services crud example service

	package com.sjtech.service;
	import java.util.ArrayList;
	import java.util.HashMap;
	import java.util.List;
	import java.util.Map;
	import org.springframework.stereotype.Service;
	import com.sjtech.domain.Account;
	@Service
	public class AccountService {
	Map<Long, Account> database = new HashMap<>();
	public Account findById(Long id) {
	return database.get(id);
	}
	public List<Account> getAll(){
	return new ArrayList<>(database.values());
	}
	public void create(Account account) {
	database.put(account.getId(), account);
	}
	}

view raw AccountService.java hosted with ❤ by GitHub

Implementing a spring boot restful web services crud example controller

	package com.sjtech.controller;
	import java.util.List;
	import org.springframework.beans.factory.annotation.Autowired;
	import org.springframework.http.HttpStatus;
	import org.springframework.http.ResponseEntity;
	import org.springframework.web.bind.annotation.PathVariable;
	import org.springframework.web.bind.annotation.RequestBody;
	import org.springframework.web.bind.annotation.RequestMapping;
	import org.springframework.web.bind.annotation.RequestMethod;
	import org.springframework.web.bind.annotation.RestController;
	import com.sjtech.domain.Account;
	import com.sjtech.service.AccountService;
	@RestController
	public class AccountController {
	@Autowired
	AccountService service;
	@RequestMapping(value="/accounts/{id}",method=RequestMethod.GET)
	public ResponseEntity<Account> getAccountById(@PathVariable Long id){
	return new ResponseEntity<Account>(service.findById(id), HttpStatus.OK);
	}
	@RequestMapping(value="/accounts/",method=RequestMethod.GET)
	public ResponseEntity<List<Account>> getAcounts(){
	return new ResponseEntity<List<Account>>(service.getAll(), HttpStatus.OK);
	}
	@RequestMapping(value="/accounts/",method=RequestMethod.POST)
	public ResponseEntity<String> createAccount(@RequestBody Account account){
	service.create(account);
	return new ResponseEntity<String>("Account Created Successfully", HttpStatus.CREATED);
	}
	}

view raw AccountController.java hosted with ❤ by GitHub

CURL commands for GET & POST

	--POST:
	curl -H "Content-Type: application/json" -X POST -d '{"id":1, "name": "account 1", "email":"account@test.com"}' http://localhost:8080/accounts/
	--GET:
	curl http://localhost:8080/accounts/

view raw script.sh hosted with ❤ by GitHub