public ArrayList readFile()
{
//Setup variables
Dictionary<string, int> linesPerType = new Dictionary<string, int>();
Dictionary<string, int> loopCount = new Dictionary<string, int>();
Dictionary<string, int> numLoops = new Dictionary<string, int>();
int lineCount = 0;
string currentType = "customer";
string line;
fileData.Clear();
ArrayList tempCustomerData = new ArrayList();
ArrayList tempAccountData = new ArrayList();
ArrayList tempTransactionData = new ArrayList();
ArrayList tempAccountList = new ArrayList();
ArrayList tempTransactionList = new ArrayList();
//Initialize them
linesPerType.Add("customer", 15); loopCount.Add("customer", 0); numLoops.Add("customer", 0);
linesPerType.Add("account", 8); loopCount.Add("account", 0); numLoops.Add("account", 0);
linesPerType.Add("transaction", 6); loopCount.Add("transaction", 0); numLoops.Add("transaction", 0);
//Load the file then loop until there are no lines left
//Old file name: e-Softies.txt. New file name: e-SOFT_v1.txt
System.IO.StreamReader file = new System.IO.StreamReader("e-SOFT_v1.txt");
while ((line = file.ReadLine()) != null)
{
//Incriment the line number, remove any whitespace at the start/end of lines
//Stop if the line is blank
lineCount++;
line = line.Trim();
if (line == "") { break; }
//Put the line in the various ArrayLists depending on what we are doing at the moment
if (currentType == "customer")
{
tempCustomerData.Add(line);
}
else if (currentType == "account")
{
tempAccountData.Add(line);
}
else
{
tempTransactionData.Add(line);
}
//Have we reached the end of this type?
if (lineCount >= linesPerType[currentType] - 1)
{
//Change the type to whatever is next, and setup the number of loops required
if (currentType == "customer")
{
currentType = "account";
numLoops["account"] = Convert.ToInt32(line) - 1;
}
else if (currentType == "account")
{
currentType = "transaction";
numLoops["transaction"] = Convert.ToInt32(line) - 1;
}
else
{
//We have come to the end of a single transaction
//Put the data in the class
Transaction thisTransaction = new Transaction(Convert.ToString(tempTransactionData[0]),
Convert.ToString(tempTransactionData[1]),
Convert.ToString(tempTransactionData[2]),
Convert.ToDecimal(tempTransactionData[3]),
Convert.ToDecimal(tempTransactionData[4])
);
//Clear the data ArrayList ready for the next transaction, and add the data in the class to
//a list
tempTransactionData.Clear();
tempTransactionList.Add(thisTransaction);
//Have all the transactions finished?
if (loopCount[currentType] >= numLoops["transaction"])
{
//Add them to the account, along with the data for that account
Account thisAccount = new Account(Convert.ToString(tempAccountData[0]),
Convert.ToInt64(tempAccountData[1]),
Convert.ToString(tempAccountData[2]),
Convert.ToString(tempAccountData[3]),
Convert.ToDecimal(tempAccountData[4]),
Convert.ToDecimal(tempAccountData[5]),
Convert.ToInt32(tempAccountData[6])
);
tempAccountList.Add(thisAccount);
tempAccountData.Clear();
if (loopCount["account"] >= numLoops["account"])
{
//All accounts finished. Add to customer.
Customer thisCustomer = new Customer(Convert.ToInt64(tempCustomerData[0]),
Convert.ToString(tempCustomerData[1]),
Convert.ToString(tempCustomerData[2]),
Convert.ToString(tempCustomerData[3]),
Convert.ToString(tempCustomerData[4]),
Convert.ToString(tempCustomerData[5]),
Convert.ToString(tempCustomerData[6]),
Convert.ToString(tempCustomerData[7]),
Convert.ToString(tempCustomerData[8]),
Convert.ToString(tempCustomerData[9]),
Convert.ToString(tempCustomerData[10]),
Convert.ToString(tempCustomerData[11]),
Convert.ToString(tempCustomerData[12]),
Convert.ToInt32(tempCustomerData[13])
);
fileData.Add(thisCustomer);
tempCustomerData.Clear();
//Finished this customer completely, setup for new customer.
currentType = "customer";
numLoops["account"] = 0;
numLoops["transaction"] = 0;
loopCount["account"] = 0;
loopCount["transaction"] = 0;
}
else
{
//Finished this account, there are more to be imported.
currentType = "account";
loopCount["transaction"] = 0;
}
}
//Inc the current loop
loopCount[currentType]++;
}
//Reset the line count to zero (as we have changed type)
lineCount = 0;
}
}
//Close the file for use later
file.Close();
int nextAccount = 0;
int numAccounts = 0;
int nextTransaction = 0;
int numTransactions = 0;
//Put the customers accounts in the customer class
foreach(Customer oneCustomer in fileData){
numAccounts = oneCustomer.getnumAccounts();
oneCustomer.setaccountList(tempAccountList.GetRange(nextAccount, numAccounts));
nextAccount = nextAccount + numAccounts;
//Put the transactions for each account in the correct class
foreach(Account oneAccount in oneCustomer.getaccountList()){
numTransactions = oneAccount.getnumTransasctions();
oneAccount.settransactionList(tempTransactionList.GetRange(nextTransaction, numTransactions));
nextTransaction = nextTransaction + numTransactions;
}
}
//Send the whole data back to where it was requested!
return fileData;
}
