params.append("&inSR=").append(inSR);
params.append("&outSR=").append(outSR);
HttpClientRequest request = new HttpClientRequest();
request.setUrl(geometryServiceURL+"/project?"+params);
StringHandler handler = new StringHandler();
request.setContentHandler(handler);
request.execute();
JSONObject response = new JSONObject(handler.getContent());
if (response.has("error")) {
JSONObject error = response.getJSONObject("error");
int code = error.getInt("code");
String message = error.getString("message");
throw new HttpClientException(code, message);