public IImportedItem Create(string line)
{
ScheduleOrigin result = new ScheduleOrigin();
result.PopulateFromLine(line);
return(result);
}
public IEnumerable <IImportedItem> ConvertItems(System.IO.StreamReader inStream, out List <Exception> Errors)
{
Errors = new List <Exception>();
List <IImportedItem> schedules = new List <IImportedItem>();
BasicScheduleItemFactory bsFactory = new BasicScheduleItemFactory();
string scheduleStart = bsFactory.GetFieldCode();
int lineN = 1; //header will have been parsed at the very least by this point
//now parse all the LI lines
ScheduledStopFactory interimFact = new ScheduledStopFactory();
ChangesEnRouteFactory changesFact = new ChangesEnRouteFactory();
ScheduleOriginFactory orginFact = new ScheduleOriginFactory();
ScheduleTerminatesFactory termFact = new ScheduleTerminatesFactory();
char interimStopFirstChar = interimFact.GetFieldCode()[0];
while (!inStream.EndOfStream)
{
try
{
string line = inStream.ReadLine();
if (line.StartsWith(scheduleStart))
{
int callNumber = 0;
while (line.EndsWith("C"))
{
//TODO: Cancelations
line = inStream.ReadLine();
}
ScheduledRoute route = (ScheduledRoute)bsFactory.Create(line);
line = inStream.ReadLine();
while (line.StartsWith("BX"))
{
line = inStream.ReadLine();
}
string loLine = line;
if (!loLine.StartsWith(orginFact.GetFieldCode()))
{
throw new ImportFileFormatException("", "Schedule start not found", 0, lineN);
}
ScheduleOrigin orgin = (ScheduleOrigin)orginFact.Create(loLine);
orgin.CallNumber = callNumber++;
route.ServiceNodes.Add(orgin);
line = inStream.ReadLine();
while (line.StartsWith(interimFact.GetFieldCode()) ||
line.StartsWith(changesFact.GetFieldCode()))
{
if (line[0] == interimStopFirstChar)//not for changes en route
{
ScheduledStop interimStop = (ScheduledStop)interimFact.Create(line);
interimStop.CallNumber = callNumber++;
route.ServiceNodes.Add(interimStop);
}
line = inStream.ReadLine();
lineN++;
}
//LT line
string ltLine = line;
if (!ltLine.StartsWith(termFact.GetFieldCode()))
{
throw new ImportFileFormatException("", "Schedule end not found", 0, lineN);
}
ScheduleTerminates terminates = (ScheduleTerminates)termFact.Create(ltLine);
terminates.CallNumber = callNumber;
route.ServiceNodes.Add(terminates);
schedules.Add(route);
}
}
catch (Exception ex)
{
Errors.Add(ex);
}
}
return(schedules);
}
