Пример #1
0
  /**
   * Build a method argument from a request parameter that is NOT backed by a schema, i.e. a
   * primitive or an array
   *
   * @param context {@link ResourceContext}
   * @param param {@link Parameter}
   * @return argument value in the correct type
   */
  private static Object buildRegularArgument(
      final ResourceContext context, final Parameter<?> param) {
    String value =
        ArgumentUtils.argumentAsString(context.getParameter(param.getName()), param.getName());

    final Object convertedValue;
    if (value == null) {
      return null;
    } else {
      if (param.isArray()) {
        convertedValue = buildArrayArgument(context, param);
      } else {
        try {
          convertedValue =
              ArgumentUtils.convertSimpleValue(value, param.getDataSchema(), param.getType());
        } catch (NumberFormatException e) {
          Class<?> targetClass =
              DataSchemaUtil.dataSchemaTypeToPrimitiveDataSchemaClass(
                  param.getDataSchema().getDereferencedType());
          // thrown from Integer.valueOf or Long.valueOf
          throw new RoutingException(
              String.format(
                  "Argument parameter '%s' value '%s' must be of type '%s'",
                  param.getName(), value, targetClass.getName()),
              HttpStatus.S_400_BAD_REQUEST.getCode());
        } catch (IllegalArgumentException e) {
          // thrown from Enum.valueOf
          throw new RoutingException(
              String.format(
                  "Argument parameter '%s' value '%s' is invalid", param.getName(), value),
              HttpStatus.S_400_BAD_REQUEST.getCode());
        } catch (TemplateRuntimeException e) {
          // thrown from DataTemplateUtil.coerceOutput
          throw new RoutingException(
              String.format(
                  "Argument parameter '%s' value '%s' is invalid. Reason: %s",
                  param.getName(), value, e.getMessage()),
              HttpStatus.S_400_BAD_REQUEST.getCode());
        }
      }
    }

    return convertedValue;
  }
Пример #2
0
  /**
   * Build a method argument from a request parameter that is an array
   *
   * @param context {@link ResourceContext}
   * @param param {@link Parameter}
   * @return argument value in the correct type
   */
  private static Object buildArrayArgument(
      final ResourceContext context, final Parameter<?> param) {
    final Object convertedValue;
    if (DataTemplate.class.isAssignableFrom(param.getItemType())) {
      final DataList itemsList = (DataList) context.getStructuredParameter(param.getName());
      convertedValue = Array.newInstance(param.getItemType(), itemsList.size());
      int j = 0;
      for (Object paramData : itemsList) {
        final DataTemplate<?> itemsElem =
            DataTemplateUtil.wrap(paramData, param.getItemType().asSubclass(DataTemplate.class));

        ValidateDataAgainstSchema.validate(
            itemsElem.data(),
            itemsElem.schema(),
            new ValidationOptions(
                RequiredMode.CAN_BE_ABSENT_IF_HAS_DEFAULT, CoercionMode.STRING_TO_PRIMITIVE));

        Array.set(convertedValue, j++, itemsElem);
      }
    } else {
      final List<String> itemStringValues = context.getParameterValues(param.getName());
      ArrayDataSchema parameterSchema = null;
      if (param.getDataSchema() instanceof ArrayDataSchema) {
        parameterSchema = (ArrayDataSchema) param.getDataSchema();
      } else {
        throw new RoutingException(
            "An array schema is expected.", HttpStatus.S_400_BAD_REQUEST.getCode());
      }

      convertedValue = Array.newInstance(param.getItemType(), itemStringValues.size());
      int j = 0;
      for (String itemStringValue : itemStringValues) {
        if (itemStringValue == null) {
          throw new RoutingException(
              "Parameter '" + param.getName() + "' cannot contain null values",
              HttpStatus.S_400_BAD_REQUEST.getCode());
        }
        try {
          Array.set(
              convertedValue,
              j++,
              ArgumentUtils.convertSimpleValue(
                  itemStringValue, parameterSchema.getItems(), param.getItemType()));
        } catch (NumberFormatException e) {
          Class<?> targetClass =
              DataSchemaUtil.dataSchemaTypeToPrimitiveDataSchemaClass(
                  parameterSchema.getItems().getDereferencedType());
          // thrown from Integer.valueOf or Long.valueOf
          throw new RoutingException(
              String.format(
                  "Array parameter '%s' value '%s' must be of type '%s'",
                  param.getName(), itemStringValue, targetClass.getName()),
              HttpStatus.S_400_BAD_REQUEST.getCode());
        } catch (IllegalArgumentException e) {
          // thrown from Enum.valueOf
          throw new RoutingException(
              String.format(
                  "Array parameter '%s' value '%s' is invalid", param.getName(), itemStringValue),
              HttpStatus.S_400_BAD_REQUEST.getCode());
        } catch (TemplateRuntimeException e) {
          // thrown from DataTemplateUtil.coerceOutput
          throw new RoutingException(
              String.format(
                  "Array parameter '%s' value '%s' is invalid. Reason: %s",
                  param.getName(), itemStringValue, e.getMessage()),
              HttpStatus.S_400_BAD_REQUEST.getCode());
        }
      }
    }

    return convertedValue;
  }