Ejemplo n.º 1
0
  /**
   * When dealing with @ValidateWith annotations, and message parameter is not used in the
   * annotation, extract the message from validator's getErrorMessageKey() method
   */
  protected String getMessageForConstraintViolation(ConstraintViolation<Object> violation) {
    String errorMessage = violation.getMessage();
    Annotation annotation = violation.getConstraintDescriptor().getAnnotation();
    if (annotation instanceof Constraints.ValidateWith) {
      Constraints.ValidateWith validateWithAnnotation = (Constraints.ValidateWith) annotation;
      if (violation.getMessage().equals(Constraints.ValidateWithValidator.defaultMessage)) {
        Constraints.ValidateWithValidator validateWithValidator =
            new Constraints.ValidateWithValidator();
        validateWithValidator.initialize(validateWithAnnotation);
        Tuple<String, Object[]> errorMessageKey = validateWithValidator.getErrorMessageKey();
        if (errorMessageKey != null && errorMessageKey._1 != null) {
          errorMessage = errorMessageKey._1;
        }
      }
    }

    return errorMessage;
  }
Ejemplo n.º 2
0
  /**
   * Binds data to this form - that is, handles form submission.
   *
   * @param data data to submit
   * @return a copy of this form filled with the new data
   */
  public Form<T> bind(Map<String, String> data, String... allowedFields) {

    DataBinder dataBinder = null;
    Map<String, String> objectData = data;
    if (rootName == null) {
      dataBinder = new DataBinder(blankInstance());
    } else {
      dataBinder = new DataBinder(blankInstance(), rootName);
      objectData = new HashMap<String, String>();
      for (String key : data.keySet()) {
        if (key.startsWith(rootName + ".")) {
          objectData.put(key.substring(rootName.length() + 1), data.get(key));
        }
      }
    }
    if (allowedFields.length > 0) {
      dataBinder.setAllowedFields(allowedFields);
    }
    SpringValidatorAdapter validator =
        new SpringValidatorAdapter(play.data.validation.Validation.getValidator());
    dataBinder.setValidator(validator);
    dataBinder.setConversionService(play.data.format.Formatters.conversion);
    dataBinder.setAutoGrowNestedPaths(true);
    dataBinder.bind(new MutablePropertyValues(objectData));
    Set<ConstraintViolation<Object>> validationErrors;
    if (groups != null) {
      validationErrors = validator.validate(dataBinder.getTarget(), groups);
    } else {
      validationErrors = validator.validate(dataBinder.getTarget());
    }

    BindingResult result = dataBinder.getBindingResult();

    for (ConstraintViolation<Object> violation : validationErrors) {
      String field = violation.getPropertyPath().toString();
      FieldError fieldError = result.getFieldError(field);
      if (fieldError == null || !fieldError.isBindingFailure()) {
        try {
          result.rejectValue(
              field,
              violation.getConstraintDescriptor().getAnnotation().annotationType().getSimpleName(),
              getArgumentsForConstraint(
                  result.getObjectName(), field, violation.getConstraintDescriptor()),
              violation.getMessage());
        } catch (NotReadablePropertyException ex) {
          throw new IllegalStateException(
              "JSR-303 validated property '"
                  + field
                  + "' does not have a corresponding accessor for data binding - "
                  + "check your DataBinder's configuration (bean property versus direct field access)",
              ex);
        }
      }
    }

    if (result.hasErrors()) {
      Map<String, List<ValidationError>> errors = new HashMap<String, List<ValidationError>>();
      for (FieldError error : result.getFieldErrors()) {
        String key = error.getObjectName() + "." + error.getField();
        if (key.startsWith("target.") && rootName == null) {
          key = key.substring(7);
        }
        List<Object> arguments = new ArrayList<Object>();
        for (Object arg : error.getArguments()) {
          if (!(arg
              instanceof org.springframework.context.support.DefaultMessageSourceResolvable)) {
            arguments.add(arg);
          }
        }
        if (!errors.containsKey(key)) {
          errors.put(key, new ArrayList<ValidationError>());
        }
        errors
            .get(key)
            .add(
                new ValidationError(
                    key,
                    error.isBindingFailure() ? "error.invalid" : error.getDefaultMessage(),
                    arguments));
      }
      return new Form(rootName, backedType, data, errors, None(), groups);
    } else {
      Object globalError = null;
      if (result.getTarget() != null) {
        try {
          java.lang.reflect.Method v = result.getTarget().getClass().getMethod("validate");
          globalError = v.invoke(result.getTarget());
        } catch (NoSuchMethodException e) {
        } catch (Throwable e) {
          throw new RuntimeException(e);
        }
      }
      if (globalError != null) {
        Map<String, List<ValidationError>> errors = new HashMap<String, List<ValidationError>>();
        if (globalError instanceof String) {
          errors.put("", new ArrayList<ValidationError>());
          errors.get("").add(new ValidationError("", (String) globalError, new ArrayList()));
        } else if (globalError instanceof List) {
          errors.put("", (List<ValidationError>) globalError);
        } else if (globalError instanceof Map) {
          errors = (Map<String, List<ValidationError>>) globalError;
        }
        return new Form(rootName, backedType, data, errors, None(), groups);
      }
      return new Form(
          rootName,
          backedType,
          new HashMap<String, String>(data),
          new HashMap<String, List<ValidationError>>(errors),
          Some((T) result.getTarget()),
          groups);
    }
  }