private static ThriftField toThriftField()

in parquet-thrift/src/main/java/org/apache/parquet/thrift/ThriftSchemaConverter.java [175:242]
66 lines of code
20 McCabe index (conditional complexity)

  private static ThriftField toThriftField(String name, Field field, ThriftField.Requirement requirement) {
    ThriftType type;
    switch (ThriftTypeID.fromByte(field.getType())) {
      case STOP:
      case VOID:
      default:
        throw new UnsupportedOperationException("can't convert type of " + field);
      case BOOL:
        type = new BoolType();
        break;
      case BYTE:
        type = new ByteType();
        break;
      case DOUBLE:
        type = new DoubleType();
        break;
      case I16:
        type = new I16Type();
        break;
      case I32:
        type = new I32Type();
        break;
      case I64:
        type = new I64Type();
        break;
      case STRING:
        StringType stringType = new StringType();
        FieldMetaData fieldMetaData = field.getFieldMetaData();
        // There is no real binary type (see THRIFT-1920) in Thrift,
        // binary data is represented by String type with an additional binary flag.
        if (fieldMetaData != null && fieldMetaData.valueMetaData.isBinary()) {
          stringType.setBinary(true);
        }
        type = stringType;
        break;
      case STRUCT:
        type = toStructType(field.gettStructDescriptor());
        break;
      case MAP:
        final Field mapKeyField = field.getMapKeyField();
        final Field mapValueField = field.getMapValueField();
        type = new ThriftType.MapType(
            toThriftField(mapKeyField.getName(), mapKeyField, requirement),
            toThriftField(mapValueField.getName(), mapValueField, requirement));
        break;
      case SET:
        final Field setElemField = field.getSetElemField();
        type = new ThriftType.SetType(toThriftField(setElemField.getName(), setElemField, requirement));
        break;
      case LIST:
        final Field listElemField = field.getListElemField();
        type = new ThriftType.ListType(toThriftField(listElemField.getName(), listElemField, requirement));
        break;
      case UUID:
      case ENUM:
        if (field.isEnum()) {
          Collection<TEnum> enumValues = field.getEnumValues();
          List<ThriftType.EnumValue> values = new ArrayList<>();
          for (TEnum tEnum : enumValues) {
            values.add(new EnumValue(tEnum.getValue(), tEnum.toString()));
          }
          type = new EnumType(values);
        } else {
          type = new ThriftType.UUIDType();
        }
    }
    return new ThriftField(name, field.getId(), requirement, type);
  }