/*
 *   Imp for the CEP error
 *
 *   Copyright (C) Michael Still                    2002
 *   Copyright (C) Blake Swadling                   2002
 *   Copyright (C) Kristy Van Der Vlist             2002
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc., 675
 * Mass Ave, Cambridge, MA 02139, USA.
 */

#include "cepError.h"

cepError::cepError ()
{
  m_message = "";
  m_level = cepError::sevOk;
  m_actioned = true;
}

cepError::cepError (const string & msg)
{
  m_message = msg;
  m_level = cepError::sevWarning;
  m_actioned = false;
}

cepError::cepError (const string & msg, cepError::severity level)
{
  m_message = msg;
  m_level = level;
  m_actioned = false;
}

bool cepError::m_handlerInstalled = false;
cepErrorHandler *
  cepError::m_handler =
  NULL;

cepError::~cepError ()
{
  if (!m_actioned)
    cepDebugPrint ("cepError was not actioned: " + m_message);
}

void
cepError::addErrorHandler (cepErrorHandler & h)
{
  if (!m_handlerInstalled)
    {
      m_handler = &h;
      m_handlerInstalled = true;
    }
}

void
cepError::init ()
{
  if ((m_message != "") && (m_actioned == false))
    {
      cepDebugPrint ("cepError was not actioned: " + m_message);
    }

  m_actioned = false;
  m_level = cepError::sevOk;
  m_message = "";
}

void
cepError::setError (const string & msg, cepError::severity level)
{
  m_message = msg;
  m_level = level;
  m_actioned = false;
}

void
cepError::removeErrorHandler ()
{
  if (m_handlerInstalled)
    {
      delete m_handler;
      m_handlerInstalled = false;
    }
}

bool cepError::isReal ()
{
  m_actioned = true;
  return m_message != "";
}

void
cepError::clear ()
{
  m_actioned = true;
  m_message = "";
}

void
cepError::log ()
{
  if (m_handler != NULL)
    m_handler->logError (*this);
  m_actioned = true;
}

void
cepError::display ()
{
  if (m_handler != NULL)
    {
      if (isReal ())
	{
	  m_handler->displayError (*this);
	}
    }
  m_actioned = true;
}

int
cepError::getSeverity ()
{
  return m_level;
}

string & cepError::getMessage ()
{
  return m_message;
}

string cepError::getTitle ()
{
  switch (getSeverity ())
    {
    case sevOk:
      return "Ok";

    case sevDebug:
      return "Debug";

    case sevInformational:
      return "Informational";

    case sevWarning:
      return "Warning";

    case sevErrorRecoverable:
      return "Recoverable Error";

    case sevErrorFatal:
      return "Fatal error";

    default:
      return "UNKNOWN ERROR LEVEL";
    }
}

void
cepError::doTerminate ()
{
  if (m_level == sevErrorFatal)
    exit (-1);
}