public ServerSolution() {
accountMap = new HashMap<String, Account>();
File file = new File(fileName);
ObjectInputStream in = null;
try {
if (file.exists()) {
System.out.println("Reading from file " + fileName + "...");
in = new ObjectInputStream(new FileInputStream(file));
Integer sizeI = (Integer) in.readObject();
int size = sizeI.intValue();
for (int i = 0; i < size; i++) {
Account acc = (Account) in.readObject();
if (acc != null) accountMap.put(acc.getName(), acc);
}
}
} catch (Exception e) {
System.out.println(e.getMessage());
e.printStackTrace();
} finally {
if (in != null) {
try {
in.close();
} catch (Throwable t) {
t.printStackTrace();
}
}
}
}
public void printHighestBalance() {
// prints the accounts from highest amount to lowest, with those who have empty accounts last
ajf.dispose();
ajf = new AdminRunningFrame(this);
StringBuilder stringResults = new StringBuilder();
String header = header();
stringResults.append(header);
if (!cust.isEmpty()) {
ArrayList<Account> allAccounts = new ArrayList<Account>();
ArrayList<Customer> CustomersNoAccounts = new ArrayList<Customer>();
for (Customer c : cust) {
ArrayList<Account> accounts = c.getAccounts();
if (!accounts.isEmpty()) {
// Concatenates all the accounts together for easy sorting
allAccounts.addAll(accounts);
}
// Adds customers without accounts to a separate list to be printed at the end of all the
// others
else {
CustomersNoAccounts.add(c);
}
}
if (!allAccounts.isEmpty()) {
Collections.sort(allAccounts, Account.CompareBalances);
for (Account a : allAccounts) {
if (a.checkActive()) {
String id = a.getID();
String name = a.getName().toUpperCase();
String pin = a.getPin();
String accountNumber = a.returnNumber();
double balance = a.returnBalance();
String balanceAsString = formatter.format(balance);
String customerInfo = printAdminInfo(name, id, accountNumber, pin, balanceAsString);
stringResults.append(customerInfo);
}
}
}
if (!CustomersNoAccounts.isEmpty()) {
Collections.sort(CustomersNoAccounts, Customer.CompareName);
for (Customer c : CustomersNoAccounts) {
String id = c.returnID();
String name = c.getName().toUpperCase();
String pin = c.returnPin();
String noAccounts = String.format("%-20s %-9s %-10s\n", name, id, pin);
stringResults.append(noAccounts);
}
}
String resultsAsString = stringResults.toString();
ajf.printInfo(resultsAsString);
}
}
private boolean newAccountFactory(String type, String name, float balance)
throws IllegalArgumentException {
Account acc;
if ("Checking".equals(type)) {
acc = new Checking(name, balance);
} else if ("Savings".equals(type)) {
acc = new Savings(name, balance);
} else {
throw new IllegalArgumentException("Bad account type:" + type);
}
try {
accountMap.put(acc.getName(), acc);
} catch (Exception exc) {
return false;
}
return true;
}