URI Template test in Java

DemoApplication.java

package com.example.demo;

import java.util.Map;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.util.UriTemplate;

@SpringBootApplication
@RestController
public class DemoApplication {

	public static void main(String[] args) {
		SpringApplication.run(DemoApplication.class, args);
	}

	@GetMapping("/")
	public String uriTemplate() {
		UriTemplate ut = new UriTemplate("https://example.net/{ip}");
		Map<String, String> m = ut.match("https://example.net/2001:db8::35");
		return String.format("ip := %s", m.get("ip"));
	}

}