RestTemplate: GET Request Example

Below snippet performs the GET request.

public static ResponseEntity<String> get(String url, Map<String, String> headers) {
 if (url == null || url.isEmpty()) {
  return ResponseEntity.status(HttpStatus.UNPROCESSABLE_ENTITY).body("URL must not be null");
 }

 HttpEntity<Object> httpEntity = new HttpEntity<>(headers);

 return REST_TEMPLATE.exchange(url, HttpMethod.GET, httpEntity, String.class);

}

You can download complete working application from this link.

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