void sortAccountByCustomer() {
List<Customer> cl = new ArrayList<Customer>(customers.values());
cl.sort(Customer.CustomerComparatorByName);
for (Customer c : cl) {
System.out.println("Customer Name: " + c.CustomerName);
Accounts a = accounts.get(c.AccountId);
a.dispaly();
}
}
// Now onwards code for Transaction management
void addTransaction() throws CustomerIdInvalid, BalanceNotSufficient {
try {
LastTransNo++;
Scanner in = new Scanner(System.in);
System.out.println("Choose Type of Transaction\n1.Credit\n2.Debit");
int choice = in.nextInt();
if (choice == 1) {
System.out.println("Enter Customer ID: ");
int Cid = in.nextInt();
Customer c = customers.get(Cid);
if (c == null) throw new CustomerIdInvalid("Customer Not valid");
System.out.println("Enter the Amount to be credit");
int amount = in.nextInt();
Accounts a = accounts.get(c.AccountId);
a.balance = a.balance + amount;
Transaction t = new CreditTransaction(LastTransNo, Cid, c.AccountId, amount);
c.TransactionId.add(LastTransNo);
transactions.put(LastTransNo, t);
t.displayTransaction();
}
if (choice == 2) {
System.out.println("Enter Customer Number");
int Cid = in.nextInt();
Customer c = customers.get(Cid);
if (c == null) throw new CustomerIdInvalid("Customer Not valid");
System.out.println("Enter the Amount to be Debit");
int amount = in.nextInt();
Accounts a = accounts.get(c.AccountId);
if (a.balance >= amount) a.balance = a.balance - amount;
else throw new BalanceNotSufficient("Balance is less");
Transaction t = new DebitTransaction(LastTransNo, Cid, c.AccountId, amount);
c.TransactionId.add(LastTransNo);
transactions.put(LastTransNo, t);
t.displayTransaction();
}
} catch (Exception e) {
System.out.println(e.toString());
}
}
void searchAccountByCustomerName() {
Scanner in = new Scanner(System.in);
boolean search = false;
System.out.println("Enter Name Of the Customer:");
String s = in.next();
for (Customer c : customers.values()) {
if (s.equals(c.CustomerName)) {
search = true;
accounts.get(c.AccountId).dispaly();
}
}
if (!search) {
System.out.println("Customer Not Found");
}
}
void transactionBetween() {
Scanner in = new Scanner(System.in);
Date after;
Date before;
String expectedPattern = "MM/dd/yyyy";
SimpleDateFormat formatter = new SimpleDateFormat(expectedPattern);
try { // (2) give the formatter a String that matches the SimpleDateFormat pattern
System.out.println("Enter Account Number");
int acc = in.nextInt();
boolean search = false;
Customer cust = null;
for (Customer c : customers.values()) {
if (c.AccountId == acc) {
search = true;
cust = c;
}
}
if (!search) {
System.out.println("Account Not Found");
return;
}
System.out.println("Enter Starting Date in MM/dd/yyyy format");
String userInput = in.next();
after = formatter.parse(userInput);
System.out.println("Enter Starting Date in MM/dd/yyyy format");
userInput = in.next();
before = formatter.parse(userInput);
for (int t : cust.TransactionId) {
Transaction trans = transactions.get(t);
if (trans.getDt().after(before) && trans.getDt().before(after)) trans.displayTransaction();
}
} catch (Exception e) {
System.out.println(e.toString());
}
}