// ---------------------------------------------------------------------------
// TPresCondValidity::ParseFromXMLTimeString()
// ---------------------------------------------------------------------------
//    
TInt TPresCondValidity::ParseFromXMLTimeString(const TDesC& aXMLTimeString, 
                                                         TTime& aUTCDateTime)
    {
    OPENG_DP(D_OPENG_LIT( " TPresCondValidity::ParseFromXMLTimeString()" ) );
    OPENG_DP(D_OPENG_LIT( "     ParseFromXMLTimeString aXMLTimeString = %S"), 
                                                                &aXMLTimeString);

    TInt err(KErrNone);
    
    // Initializing the locale
    TLocale myLocale, systemLocale;
    myLocale.Refresh();
    systemLocale.Refresh();
    myLocale.SetDateFormat(EDateJapanese);
    myLocale.SetDateSeparator('-',1);
    myLocale.SetDateSeparator('-',2);
    myLocale.SetDateSeparator('T',3);
    
    myLocale.SetTimeFormat(ETime24);
    myLocale.SetTimeSeparator(':',1);
    myLocale.SetTimeSeparator(':',2);
    myLocale.SetTimeSeparator(' ',3);
    myLocale.Set();

    TTime myTime;
    TTime myUTCtime;
    TChar uTCtimeSign(aXMLTimeString[23]); // 23 is ascii T
    
   
    // parsing main time
    TBuf<KPresDateTimeBufLength> dateTimeBuffer(aXMLTimeString);
    dateTimeBuffer.Delete(KPresDTWithoutUTCLength-1,6);
    dateTimeBuffer.Replace(KPresDTSeperatorPos,1,KPresSpaceString);
    myTime.Parse(dateTimeBuffer);
    
    // parsing utc time
    TBuf<KPresDateTimeBufLength> uTCbuffer(aXMLTimeString);
    uTCbuffer.Delete(0,KPresDTWithoutUTCLength);
    myUTCtime.Parse(uTCbuffer);
    TDateTime uTCDateTime = myUTCtime.DateTime();
    
    // adding or substracting utc from main time
    if(uTCtimeSign=='+') // if diff is positive
        {
        aUTCDateTime = myTime - TTimeIntervalHours(uTCDateTime.Hour());
        aUTCDateTime = aUTCDateTime - TTimeIntervalMinutes(uTCDateTime.Minute());            
        }
    else if(uTCtimeSign=='-')
        {
        aUTCDateTime = myTime + TTimeIntervalHours(uTCDateTime.Hour());
        aUTCDateTime = aUTCDateTime + TTimeIntervalMinutes(uTCDateTime.Minute());            
        }
    else
        err = KErrArgument;
    
    // putting the system locale back
    systemLocale.Set();
    return err;    
    }