spring 40restcontroller

1package com.example.restservice;
2
3import java.util.concurrent.atomic.AtomicLong;
4
5import org.springframework.web.bind.annotation.GetMapping;
6import org.springframework.web.bind.annotation.RequestParam;
7import org.springframework.web.bind.annotation.RestController;
8
9@RestController
10public class GreetingController {
11
12	private static final String template = "Hello, %s!";
13	private final AtomicLong counter = new AtomicLong();
14
15	@GetMapping("/greeting")
16	public Greeting greeting(@RequestParam(value = "name", defaultValue = "World") String name) {
17		return new Greeting(counter.incrementAndGet(), String.format(template, name));
18	}
19}Copy