public static EsriFeatureClass FeatureClassFromJson(JsonParser parser) throws JsonProcessingException, IOException {
    parser.setCodec(jsonObjectMapper);
    return parser.readValueAs(EsriFeatureClass.class);
  }
Construct an {@link EsriFeatureClass} from JSON

@param parser parser that is pointed at the root of the JSON file created by ArcGIS
@return EsriFeatureClass instance that describes the fully parsed JSON representation
@throws com.fasterxml.jackson.core.JsonParseException
@throws java.io.IOException
ql/src/java/org/apache/hadoop/hive/ql/io/esriJson/EsriJsonFactory.java