// Loads the Bus Data from a data file
public void LoadBusList()
{
if (!File.Exists(_busListDataFile))
{
// throw "file does not exist error"
return;
}
StreamReader fin = new StreamReader(_busListDataFile);
while (!fin.EndOfStream)
{
string tempBuffer = fin.ReadLine();
if (tempBuffer.Equals("$START BUSLIST$"))
{
tempBuffer = fin.ReadLine();
while (!tempBuffer.Equals("$END BUSLIST$"))
{
// Read data
tempBuffer = fin.ReadLine();
// If end of bus list, break
if (tempBuffer.Equals("$END BUSLIST$"))
break;
if (tempBuffer.Equals("$$START BUS$$"))
{
tempBuffer = fin.ReadLine();
while (!tempBuffer.Equals("$$END BUS$$"))
{
// Read bus data
//tempBuffer = fin.ReadLine();
string[] busToken = tempBuffer.Split('%');
string tempBusName = busToken[0];
string tempCurrentStop = busToken[1];
int tempFrequency = System.Convert.ToInt32(busToken[2]);
int tempStatCounter = System.Convert.ToInt32(busToken[3]);
// create bus
Bus tempBus = new Bus(tempBusName, tempFrequency);
tempBus.UpdateCurrentStop(tempCurrentStop);
tempBus.SetStatCounter(tempStatCounter);
// Read RouteList
tempBuffer = fin.ReadLine();
if (tempBuffer.Equals("$$$START ROUTELIST$$$"))
{
tempBuffer = fin.ReadLine();
while (!tempBuffer.Equals("$$$END ROUTELIST$$$"))
{
string[] token = tempBuffer.Split('%');
string tempBusStop = token[0];
int tempTravelTime = System.Convert.ToInt32(token[1]);
// add route
tempBus.AddRoute(tempBusStop, tempTravelTime);
tempBuffer = fin.ReadLine();
}
}
else
{
// throw "wrong format" exception
}
// Read Passenger List
tempBuffer = fin.ReadLine();
if (tempBuffer.Equals("$$$START PASSENGERLIST$$$"))
{
tempBuffer = fin.ReadLine();
while (!tempBuffer.Equals("$$$END PASSENGERLIST$$$"))
{
string[] token = tempBuffer.Split('%');
string tempMobileNum = token[0];
string tempBusName2 = token[1];
string tempNextStop = token[2];
// enqueue user to bus
UserInQueue tempUser = new UserInQueue(tempMobileNum, tempBusName2);
tempUser.UpdateNextStop(tempNextStop);
tempBus.EnqueueUser(tempUser);
tempBuffer = fin.ReadLine();
}
}
else
{
// throw "wrong format" exception
}
// Read subscribe list
tempBuffer = fin.ReadLine();
if (tempBuffer.Equals("$$$START SUBSCRIBELIST$$$"))
{
tempBuffer = fin.ReadLine();
while (!tempBuffer.Equals("$$$END SUBSCRIBELIST$$$"))
{
tempBus.AddUserToSubscribeList(tempBuffer);
tempBuffer = fin.ReadLine();
}
}
else
{
// throw "wrong format" exception
}
// add bus to current databases
_busList.Add(tempBus);
// read next bus in the list
tempBuffer = fin.ReadLine();
}
}
else
{
// throw "format error" exception
}
// read empty line
tempBuffer = fin.ReadLine();
}
// end of file
}
else
{
// throw "file format is wrong" error
}
tempBuffer = fin.ReadLine();
}
fin.Close();
}
/****************************************************************************************************/
// METHODS - MODIFIERS
/****************************************************************************************************/
// adds a new bus to the list
public void Add(Bus newBus)
{
_busList.Add(newBus);
}
// creates a bus object and adds it to the database
public void CreateBus(string name, int frequency)
{
Bus newBus = new Bus(name, frequency);
_busList.Add(newBus);
}