Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package edu.infsci2560.services; import edu.infsci2560.models.Blog; import edu.infsci2560.repositories.BlogRepository; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.concurrent.atomic.AtomicInteger; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.http.HttpHeaders; 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.RestController; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.ResponseBody; /** * * @author Wenwen Sun */ @RestController @RequestMapping("/blogs") public class BlogsService { @Autowired private BlogRepository repository; @RequestMapping(method = RequestMethod.GET, produces = "application/json") public ResponseEntity<Iterable<Blog>> list() { HttpHeaders headers = new HttpHeaders(); return new ResponseEntity<>(repository.findAll(), headers, HttpStatus.OK); } @RequestMapping(value = "/{id}", method = RequestMethod.GET, produces = "application/json") public ResponseEntity<Blog> list(@PathVariable("id") Long id) { HttpHeaders headers = new HttpHeaders(); return new ResponseEntity<>(repository.findOne(id), headers, HttpStatus.OK); } @RequestMapping(method = RequestMethod.POST, consumes = "application/json", produces = "application/json") public ResponseEntity<Blog> create(@RequestBody Blog blog) { HttpHeaders headers = new HttpHeaders(); return new ResponseEntity<>(repository.save(blog), headers, HttpStatus.OK); } }