public static Object getFieldValue()

in wrapper/src/main/java/software/amazon/jdbc/util/WrapperUtils.java [525:568]

35 lines of code
10 McCabe index (conditional complexity)


  public static Object getFieldValue(Object target, final String accessor) {
    if (target == null) {
      return null;
    }

    final List<String> fieldNames = StringUtils.split(accessor, "\\.", true);
    Class<?> targetClass = target.getClass();

    for (final String fieldName : fieldNames) {
      Field field = null;
      while (targetClass != null && field == null) {
        try {
          field = targetClass.getDeclaredField(fieldName);
        } catch (final Exception ex) {
          // try parent class
          targetClass = targetClass.getSuperclass();
        }
      }

      if (field == null) {
        return null; // field not found
      }

      if (!field.isAccessible()) {
        field.setAccessible(true);
      }

      final Object fieldValue;
      try {
        fieldValue = field.get(target);
      } catch (final Exception ex) {
        return null;
      }

      if (fieldValue == null) {
        return null;
      }

      target = fieldValue;
      targetClass = target.getClass();
    }

    return target;
  }