This API will be far more useful and will provide us with the ability to add data so that the current web data feed is not the only data source.

The sample code in the georestwebservice project (of this chapter) is an updated version of the API with the new recordFeature method in the georestwebservice.dart file:

 @ApiMethod(path: 'record', method: 'POST')
QuakeResponse recordFeature(QuakeRequest request) {
  DaoQuakeAPI quakeAPI = new DaoQuakeAPI();
  quakeAPI.recordFeature(getFeatureAsJSON(request));

  QuakeResponse quakeResponse = new QuakeResponse();
  quakeResponse.result = "1";

  return quakeResponse;
}

This method will use the standard HTTP POST verb in order to receive the input from the client application. As the rpc package wraps the entire method and composes and sends error responses, there is no need for error handling in this method. If, for example, something goes wrong while storing a result in the database, the client will receive an error message.

The...