Examples of er.extensions.validation.ERXValidationFactory$ExceptionDelegateInterface

er.extensions.validation.ERXValidationFactory
Exception delegates can be used to provide hooks to customize how messages are generated for validation exceptions and how templates are looked up. A validation exception can have a delegate set or a default delegate can be set on the factory itself.

  
  public String validateWorkflowState(Object aValue) throws NSValidation.ValidationException {
    String strValue = ObjectUtils.toString(aValue, null);
    
    if(StringUtils.isEmpty(strValue)) {
      throw new ERXValidationFactory().createCustomException(this, KEY_WORKFLOW_STATE, strValue, ERXValidationException.NullPropertyException);
    }
    
    // Must be one of acceptable values
    if (!WORKFLOW_STATES.contains(strValue)) {
      throw new ERXValidationFactory().createCustomException(this, KEY_WORKFLOW_STATE, strValue, ERXValidationException.InvalidValueException);
    }
    
    return strValue;
  }

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                String message = sqlEx.getMessage();
                MessageFormat format = new MessageFormat(UNIQUE_CONSTRAINT_MESSAGE_FORMAT);
                try {
                  Object[] objs = format.parse(message);
                  String idx = (String) objs[0];
                  ERXValidationFactory factory = ERXValidationFactory.defaultFactory();
                  String method = "UniqueConstraintException." + idx;
                  ERXValidationException ex = factory.createCustomException(null, method);
                  databaseContext.rollbackChanges();
                  throw ex;
                } catch (ParseException e) {
                  log.warn("Error parsing unique constraint exception message: " + message);
                }

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