DateTimeValidator.cpp

//----------------------------------------------------------------------
// Includes
//----------------------------------------------------------------------
#include "MantidKernel/DateTimeValidator.h"
#include "MantidKernel/DateAndTime.h"


namespace Mantid
{
  namespace Kernel
  {

    /**
     * @return A clone of the current state of the validator
     */
    IValidator_sptr DateTimeValidator::clone() const
    {
      return boost::make_shared<DateTimeValidator>(*this);
    }


    /**
     *  @param value A string to check for an ISO formatted timestamp
     *  @return An empty string if the value is valid or an string containing
     *          a description of the error otherwise
     */
    std::string DateTimeValidator::checkValidity(const std::string& value) const
    {
      // simply pass off the work DateAndTime constructor
      // the DateAndTime::stringIsISO8601 does not seem strict enough, it accepts
      // empty strings & strings of letters!
      std::string error("");
      try
      {
        DateAndTime timestamp(value);
        UNUSED_ARG(timestamp);
      }
      catch(std::invalid_argument& exc)
      {
        error = exc.what();
      }
      return error;
    }

  }
}