// Loads the Bus Stop Data from a data file
public void LoadBusStopList()
{
if (!File.Exists(_busStopListDataFile))
{
// throw "file does not exist error"
return;
}
StreamReader fin = new StreamReader(_busStopListDataFile);
while (!fin.EndOfStream)
{
string tempBuffer = fin.ReadLine();
if (tempBuffer.Equals("$START BUSSTOPLIST$"))
{
tempBuffer = fin.ReadLine();
while (!tempBuffer.Equals("$END BUSSTOPLIST$"))
{
// If end of bus stop list, break
//if (tempBuffer.Equals("$END BUSSTOPLIST$"))
// break;
// Read data
tempBuffer = fin.ReadLine();
// Break if end of the bus stop list
if (tempBuffer.Equals("$END BUSSTOPLIST$"))
{
break;
}
if (tempBuffer.Equals("$$START BUSSTOP$$"))
{
tempBuffer = fin.ReadLine();
while (!tempBuffer.Equals("$$END BUSSTOP$$"))
{
// Read bus stop data
//tempBuffer = fin.ReadLine();
string[] busStopToken = tempBuffer.Split('%');
string tempBusStopName = busStopToken[0];
Boolean tempStatus = System.Convert.ToBoolean(busStopToken[1]);
int tempStatCounter = System.Convert.ToInt32(busStopToken[2]);
double tempCoordinateX = System.Convert.ToDouble(busStopToken[3]);
double tempCoordinateY = System.Convert.ToDouble(busStopToken[4]);
// create bus stop
BusStop tempBusStop = new BusStop(tempBusStopName);
tempBusStop.SetStatus(tempStatus);
tempBusStop.SetStatCounter(tempStatCounter);
tempBusStop.SetCoordinates(tempCoordinateX, tempCoordinateY);
// Read user queue
tempBuffer = fin.ReadLine();
if (tempBuffer.Equals("$$$START USERINQUEUE$$$"))
{
tempBuffer = fin.ReadLine();
while (!tempBuffer.Equals("$$$END USERINQUEUE$$$"))
{
string[] token = tempBuffer.Split('%');
string tempMobileNum = token[0];
string tempBusName = token[1];
string tempNextStop = token[2];
// add user
UserInQueue tempUser = new UserInQueue(tempMobileNum, tempBusName);
tempUser.UpdateNextStop(tempNextStop);
tempBusStop.EnqueuePassenger(tempUser);
// read next passenger
tempBuffer = fin.ReadLine();
}
}
else
{
// throw "wrong format" exception
}
// Read Bus queue
tempBuffer = fin.ReadLine();
if (tempBuffer.Equals("$$$START BUSQUEUE$$$"))
{
tempBuffer = fin.ReadLine();
while (!tempBuffer.Equals("$$$END BUSQUEUE$$$"))
{
tempBusStop.EnqueueBus(tempBuffer);
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("$$$END SUBSCRIBELIST$$$"))
{
tempBusStop.AddUserToSubscribeList(tempBuffer);
tempBuffer = fin.ReadLine();
}
}
else
{
// throw "wrong format" exception
}
// add current bus stop to list
_busStopList.Add(tempBusStop);
// read next bus stop
tempBuffer = fin.ReadLine();
}
}
// read empty line
tempBuffer = fin.ReadLine();
}
// end of file
}
else
{
// throw "file format is wrong" error
}
}
fin.Close();
}
// creates a bus stop object and adds it to the database
public void CreateBusStop(string name, double coordinateX, double coordinateY)
{
BusStop newBusStop = new BusStop(name);
newBusStop.SetCoordinates(coordinateX, coordinateY);
_busStopList.Add(newBusStop);
}