public class RestClientTest {

	public static void main(String[] args) {

		 final String uri = "http://192.168.8.58:8181/api/rest/ont/person/1";

		    RestTemplate restTemplate = new RestTemplate();

		    HttpHeaders headers = new HttpHeaders();
		    headers.setContentType(MediaType.APPLICATION_JSON);
		    headers.set("ESP-ScreenName", "rest");
		    HttpEntity<String> entity = new HttpEntity<String>("rest", headers);

		    ResponseEntity<String> result = restTemplate.exchange(uri, HttpMethod.GET, entity, String.class);

		    System.out.println(result);

	}

}