private void makeAsyncRequests() {
ListenableFuture<ResponseEntity<String>> listenableFuture =
restTemplate.exchange(
BASE_URL + "response-body", HttpMethod.GET, HttpEntity.EMPTY, String.class);
listenableFuture.addCallback(
new ListenableFutureCallback<ResponseEntity>() {
@Override
public void onSuccess(ResponseEntity result) {
System.out.println("Response received (async callable): " + result.getBody());
}
@Override
public void onFailure(Throwable t) {
System.out.println("Response failed " + t.getMessage());
}
});
}
/** Make an HTTP request with custom headers */
protected <T, U> ListenableFuture<ResponseEntity<T>> request(
HttpMethod method, String uri, HttpHeaders httpHeaders, U body, Class<T> responseType) {
HttpEntity<U> requestEntity = new HttpEntity<>(body, httpHeaders);
return asyncRestTemplate.exchange(uri, method, requestEntity, responseType);
}