mock resttemplate to test a service as restFul client

I've a service class, write in spring, with some methods. One of this acts as a resful consumer like below:

.....
        HttpEntity request = new HttpEntity<>(getHeadersForRequest());
        RestTemplate restTemplate = new RestTemplate();
        String url = ENDPOINT_URL.concat(ENDPOINT_API1);

        UriComponentsBuilder builder = UriComponentsBuilder.fromHttpUrl(url)
                .queryParam("param1", parameter1);
        ReportModel infoModel = null;
        try{
            infoModel = restTemplate.exchange(builder.toUriString(), HttpMethod.GET, request, ReportModel.class).getBody();
        }catch (HttpClientErrorException | HttpServerErrorException e){
            e.printStackTrace();
        }

How can I write a test which mock a resttemplate?