Completing the actions
The completed code is provided in C:\7672code\struts\action:
| The LogonAction is already complete. |
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| The LogoffAction has three lines in the execute method try clause: |
//Destroy the objects in session.
request.getSession().setAttribute("ssn", null);
request.getSession().setAttribute("ITSOBank", null);
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| Complete the AccountDetailsAction class execute method: |
CustomerAccountForm customerAccountForm = (CustomerAccountForm) form;
String accountId = customerAccountForm.getAccountId();
try {
// Retrieve the account from the bank
Bank bank = (Bank)request.getSession().getAttribute("ITSOBank");
Account accountBean = bank.searchAccountByAccountNumber(accountId);
// Add the account info to request scope
request.setAttribute("account", accountBean);
} catch (Exception e) {
// Report the error using the appropriate name and ID.
errors.add("error", new ActionMessage("errors.systemError"));
}
......
forward = mapping.findForward("failure");
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| Complete the PerformTransactionAction class execute method: |
TransactForm transactForm = (TransactForm) form;
String accountId = transactForm.getAccountId();
String amountf = transactForm.getAmount();
BigDecimal amount = null;
try {
// convert the amount and perform withdraw or deposit
Bank bank = (Bank)request.getSession().getAttribute("ITSOBank");
amount = new BigDecimal(amountf);
if ( amount.compareTo(new BigDecimal(0)) < 0 ){
bank.withdraw(accountId, amount.negate());
} else {
bank.deposit(accountId, amount);
}
} catch (NumberFormatException e) {
errors.add("amount", new ActionMessage("error.amount"));
} catch (InvalidTransactionException e) {
errors.add("amount", new ActionMessage("error.amount"));
}
......
forward = mapping.findForward("failure");
Import java.math.BigDecimal and itso.rad75.bank.exception.InvalidTransactionException.
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ibm.com/redbooks |