HttpHeaders headers = new HttpHeaders();

headers.set("Accept", MediaType.APPLICATION_JSON_VALUE);

 

UriComponentsBuilder builder = UriComponentsBuilder.fromHttpUrl(url)

        .queryParam("msisdn", msisdn)

        .queryParam("email", email)

        .queryParam("clientVersion", clientVersion)

        .queryParam("clientType", clientType)

        .queryParam("issuerName", issuerName)

        .queryParam("applicationName", applicationName);

 

HttpEntity<?> entity = new HttpEntity<>(headers);

 

HttpEntity<String> response = restTemplate.exchange(builder.build().encode().toUri(), HttpMethod.GET, entity, String.class);