@Override
  public long getPos() throws IOException {
    if (parser == null) {
      return 0;
    } else {
      return parser.getCurrentLocation().getCharOffset();
    }
  }
Enumerates records from an Enclosed JSON file - use either Esri JSON or GeoJSON subclass
ql/src/java/org/apache/hadoop/hive/ql/io/esriJson/EnclosedBaseJsonRecordReader.java