private static void appendOrcTypes()

in java/core/src/java/org/apache/orc/OrcUtils.java [114:209]
95 lines of code
27 McCabe index (conditional complexity)

  private static void appendOrcTypes(List<OrcProto.Type> result, TypeDescription typeDescr) {
    OrcProto.Type.Builder type = OrcProto.Type.newBuilder();
    List<TypeDescription> children = typeDescr.getChildren();
    // save the attributes
    for(String key: typeDescr.getAttributeNames()) {
      type.addAttributes(
          OrcProto.StringPair.newBuilder()
              .setKey(key).setValue(typeDescr.getAttributeValue(key))
              .build());
    }
    switch (typeDescr.getCategory()) {
      case BOOLEAN:
        type.setKind(OrcProto.Type.Kind.BOOLEAN);
        break;
      case BYTE:
        type.setKind(OrcProto.Type.Kind.BYTE);
        break;
      case SHORT:
        type.setKind(OrcProto.Type.Kind.SHORT);
        break;
      case INT:
        type.setKind(OrcProto.Type.Kind.INT);
        break;
      case LONG:
        type.setKind(OrcProto.Type.Kind.LONG);
        break;
      case FLOAT:
        type.setKind(OrcProto.Type.Kind.FLOAT);
        break;
      case DOUBLE:
        type.setKind(OrcProto.Type.Kind.DOUBLE);
        break;
      case STRING:
        type.setKind(OrcProto.Type.Kind.STRING);
        break;
      case CHAR:
        type.setKind(OrcProto.Type.Kind.CHAR);
        type.setMaximumLength(typeDescr.getMaxLength());
        break;
      case VARCHAR:
        type.setKind(OrcProto.Type.Kind.VARCHAR);
        type.setMaximumLength(typeDescr.getMaxLength());
        break;
      case BINARY:
        type.setKind(OrcProto.Type.Kind.BINARY);
        break;
      case TIMESTAMP:
        type.setKind(OrcProto.Type.Kind.TIMESTAMP);
        break;
      case TIMESTAMP_INSTANT:
        type.setKind(OrcProto.Type.Kind.TIMESTAMP_INSTANT);
        break;
      case DATE:
        type.setKind(OrcProto.Type.Kind.DATE);
        break;
      case DECIMAL:
        type.setKind(OrcProto.Type.Kind.DECIMAL);
        type.setPrecision(typeDescr.getPrecision());
        type.setScale(typeDescr.getScale());
        break;
      case LIST:
        type.setKind(OrcProto.Type.Kind.LIST);
        type.addSubtypes(children.get(0).getId());
        break;
      case MAP:
        type.setKind(OrcProto.Type.Kind.MAP);
        for(TypeDescription t: children) {
          type.addSubtypes(t.getId());
        }
        break;
      case STRUCT:
        type.setKind(OrcProto.Type.Kind.STRUCT);
        for(TypeDescription t: children) {
          type.addSubtypes(t.getId());
        }
        for(String field: typeDescr.getFieldNames()) {
          type.addFieldNames(field);
        }
        break;
      case UNION:
        type.setKind(OrcProto.Type.Kind.UNION);
        for(TypeDescription t: children) {
          type.addSubtypes(t.getId());
        }
        break;
      default:
        throw new IllegalArgumentException("Unknown category: " +
            typeDescr.getCategory());
    }
    result.add(type.build());
    if (children != null) {
      for(TypeDescription child: children) {
        appendOrcTypes(result, child);
      }
    }
  }