code: public static EsriFeature FeatureFromJson(JsonParser parser) throws JsonProcessingException, IOException{
  		parser.setCodec(jsonObjectMapper);
  		return parser.readValueAs(EsriFeature.class);
  	}
docs: Construct an {@link com.esri.json.EsriFeature} from JSON
  
  @param JsonParser parser that is pointed at the root of the JSON file created by ArcGIS
  @return EsriFeature instance that describes the fully parsed JSON representation
  @throws JsonParseException
  @throws IOException