public static Object parsePrimitiveValue()

in google-http-client/src/main/java/com/google/api/client/util/Data.java [391:445]
55 lines of code
29 McCabe index (conditional complexity)

  public static Object parsePrimitiveValue(Type type, String stringValue) {
    Class<?> primitiveClass = type instanceof Class<?> ? (Class<?>) type : null;
    if (type == null || primitiveClass != null) {
      if (primitiveClass == Void.class) {
        return null;
      }
      if (stringValue == null || primitiveClass == null
          || primitiveClass.isAssignableFrom(String.class)) {
        return stringValue;
      }
      if (primitiveClass == Character.class || primitiveClass == char.class) {
        if (stringValue.length() != 1) {
          throw new IllegalArgumentException(
              "expected type Character/char but got " + primitiveClass);
        }
        return stringValue.charAt(0);
      }
      if (primitiveClass == Boolean.class || primitiveClass == boolean.class) {
        return Boolean.valueOf(stringValue);
      }
      if (primitiveClass == Byte.class || primitiveClass == byte.class) {
        return Byte.valueOf(stringValue);
      }
      if (primitiveClass == Short.class || primitiveClass == short.class) {
        return Short.valueOf(stringValue);
      }
      if (primitiveClass == Integer.class || primitiveClass == int.class) {
        return Integer.valueOf(stringValue);
      }
      if (primitiveClass == Long.class || primitiveClass == long.class) {
        return Long.valueOf(stringValue);
      }
      if (primitiveClass == Float.class || primitiveClass == float.class) {
        return Float.valueOf(stringValue);
      }
      if (primitiveClass == Double.class || primitiveClass == double.class) {
        return Double.valueOf(stringValue);
      }
      if (primitiveClass == DateTime.class) {
        return DateTime.parseRfc3339(stringValue);
      }
      if (primitiveClass == BigInteger.class) {
        return new BigInteger(stringValue);
      }
      if (primitiveClass == BigDecimal.class) {
        return new BigDecimal(stringValue);
      }
      if (primitiveClass.isEnum()) {
        @SuppressWarnings({"unchecked", "rawtypes"})
        Enum result = ClassInfo.of(primitiveClass).getFieldInfo(stringValue).<Enum>enumValue();
        return result;
      }
    }
    throw new IllegalArgumentException("expected primitive class, but got: " + type);
  }