UtDate.hxx

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//-----------------------------------------------------------------------------
// CVS: $Revision: 6496 $, $Date: 2009-12-11 14:19:13 +0000 (Fri, 11 Dec 2009) $, $Author: EckhardSutorius $
//-----------------------------------------------------------------------------
#ifndef UTDATE_H
#define UTDATE_H

#include <cstdlib>
#include <time.h>

#include "Constants.h"
#include "DataMethod.hxx"
#include "StringOps.h"
#include "Logger.h"
//-----------------------------------------------------------------------------
template<typename DataType>
class UtDate : public DataMethod<DataType>
{
public:
  UtDate() { DataMethod<DataType>::methodName = "UtDate"; }

  virtual ~UtDate() { }

  void setSource(IntMap& tbls, IntMap& cols, StringMap units)
  {    
    dateObsColNo = cols[0];
    if (dateObsColNo < 0)
    {
      throw DataMethodException("JulianDayNum method. Couldn't source");
    }
  }
  
  void setTarget(IntMap& cols, StringMap units)
  {
    utDateColNo = cols[0];
  }

  void doit(TableData<DataType>& data, int row1, int row2)
  {
    for (int rowNo = row1; rowNo < row2; ++rowNo)
    {
      time_t difftime;
      tm ctm;
      tm *dtm;
      char chiltime[20] = "";
      std::string date;
      std::string timeStr;
      size_t found;
      data.value(dateObsColNo, rowNo, date);
      found = date.rfind('.');
      date = date.substr(0, found);
      strptime(date.c_str(), "%Y-%m-%dT%H:%M:%S", &ctm);
      ctm.tm_isdst = 0;
      
      if (ctm.tm_hour <= 16)
      {
        difftime = mktime(&ctm)-86400;
        dtm = gmtime(&difftime);
      } else {
        dtm = &ctm;
      }
      strftime(chiltime, 20, "%Y%m%d", dtm);
      mUtDate = atoi(chiltime);
      data.assign(utDateColNo, rowNo, mUtDate);
    }
  }

  // No data from raw data included
  void doit2(TableData<DataType>& rawData, TableData<DataType>& data, int row1, int row2) { }

private:
  int dateObsColNo;
  int utDateColNo;
  int mUtDate;
};
//-----------------------------------------------------------------------------
#endif
//-----------------------------------------------------------------------------
// Change log:
//
// 04-Nov-2009,  ETWS: Original version.