public static Class getTypeClass()

in streampipes-connect-shared/src/main/java/org/apache/streampipes/connect/shared/DatatypeUtils.java [91:131]

36 lines of code
13 McCabe index (conditional complexity)


  public static Class<?> getTypeClass(String value,
                                      boolean preferFloatingPointNumber) {
    var targetClass = String.class;
    if (NumberUtils.isParsable(value)) {
      Class<?> numberClass;
      try {
        long longValue = Long.parseLong(value);
        numberClass = longValue > Integer.MAX_VALUE ? Long.class : Integer.class;
        if (preferFloatingPointNumber) {
          return numberClass == Long.class ? Double.class : Float.class;
        } else {
          return numberClass;
        }
      } catch (NumberFormatException ignored) {
      }

      try {
        double doubleValue = Double.parseDouble(value);
        numberClass = doubleValue > Float.MAX_VALUE ? Double.class : Float.class;
        if (preferFloatingPointNumber) {
          return numberClass == Double.class ? Double.class : Float.class;
        } else {
          return numberClass;
        }
      } catch (NumberFormatException ignored) {
      }

      try {
        Double.parseDouble(value);
        return Float.class;
      } catch (NumberFormatException ignored) {
      }

    }

    if (value.equalsIgnoreCase("true") || value.equalsIgnoreCase("false")) {
      return Boolean.class;
    }

    return targetClass;
  }