datamodel.java

《j2ee经典实例详解》的源代码。原书无附带光盘。介绍的是一个在线银行系统的例子。绝对难得

        if (frame.mi.getText()
                        .length() > 1) {
            frame.messlab4.setText(messages.getString("MILimitException"));
            j = 1;
        } else {
            j = 0;
        }

        if (frame.state.getText()
                           .length() > 2) {
            frame.messlab3.setText(messages.getString("StateLimitException"));
            k = 1;
        } else {
            k = 0;
        }

        if ((i == 0) && (j == 0) && (k == 0)) {
            int success = writeData();

            return success;
        } else {
            return 1;
        }
    }

    private int writeData() {
        if (currentFunction == 2) { //Update customer information

            try {
                customer.setName(last, first, mid, returned);
                customer.setAddress(str, cty, st, zp, tel, mail, returned);

                return 0;
            } catch (RemoteException ex) {
                frame.messlab.setText(messages.getString("RemoteException") +
                    ex.getMessage());

                return 1;
            } catch (InvalidParameterException ex) {
                frame.messlab.setText(messages.getString(
                        "InvalidParameterException"));

                return 1;
            } catch (CustomerNotFoundException ex) {
                frame.messlab2.setText(messages.getString("CustomerException") +
                    " " + returned + " " +
                    messages.getString("NotFoundException"));

                return 1;
            }
        }

        if (currentFunction == 1) { //Add new customer information

            try {
                custID =
                    customer.createCustomer(new CustomerDetails(last, first,
                            mid, str, cty, st, zp, tel, mail));

                return 0;
            } catch (InvalidParameterException ex) {
                frame.messlab.setText(messages.getString(
                        "InvalidParameterException"));

                return 1;
            } catch (RemoteException ex) {
                frame.messlab.setText(messages.getString("RemoteException"));

                return 1;
            }
        }

        if (currentFunction == 5) { //Create New Account

            try {
                timestamp = new Date();
                actID =
                    account.createAccount(new AccountDetails(type, descrip,
                            balance, creditline, beginbalance, timestamp),
                        custID);
                System.out.println(actID);

                return 0;
            } catch (InvalidParameterException ex) {
                frame.messlab.setText(messages.getString(
                        "InvalidParameterException"));

                return 1;
            } catch (CustomerNotFoundException ex) {
                frame.messlab2.setText(messages.getString("CustomerException") +
                    " " + custID + " " +
                    messages.getString("NotFoundException"));

                return 1;
            } catch (IllegalAccountTypeException ex) {
                frame.messlab.setText(messages.getString(
                        "IllegalAccountTypeException"));

                return 1;
            } catch (RemoteException ex) {
                frame.messlab.setText(messages.getString("RemoteException") +
                    ex.getMessage());

                return 1;
            }
        }

        if (currentFunction == 6) { //Add Customer to Account

            try {
                account.addCustomerToAccount(custID, actID);

                return 0;
            } catch (CustomerNotFoundException ex) {
                frame.messlab2.setText(messages.getString("CustomerException") +
                    " " + custID + " " +
                    messages.getString("NotFoundException"));

                return 1;
            } catch (AccountNotFoundException ex) {
                frame.messlab2.setText(messages.getString("AccountException") +
                    " " + actID + " " +
                    messages.getString("NotFoundException"));

                return 1;
            } catch (InvalidParameterException ex) {
                frame.messlab.setText(messages.getString(
                        "InvalidParameterException"));

                return 1;
            } catch (RemoteException ex) {
                frame.messlab.setText(messages.getString("RemoteException"));

                return 1;
            }
        }

        return 0;
    }

    protected void removeAccount(String returned) {
        try {
            account.removeAccount(returned);
            frame.messlab2.setText(messages.getString("AccountException") +
                " " + returned + " " + messages.getString("Removed"));
        } catch (AccountNotFoundException ex) {
            frame.messlab2.setText(messages.getString("AccountException") +
                " " + returned + " " + messages.getString("NotFoundException"));
        } catch (InvalidParameterException ex) {
            frame.messlab.setText(messages.getString(
                    "InvalidParameterException"));
        } catch (RemoteException ex) {
            frame.messlab.setText(messages.getString("RemoteException") +
                ex.getMessage());
        }
    }

    protected void searchByLastName(String returned) {
        try {
            ArrayList list = customer.getCustomersOfLastName(returned);

            if (!list.isEmpty()) {
                String custID = ((CustomerDetails) list.get(0)).getCustomerId();
                JOptionPane.showMessageDialog(frame, custID, "Customer ID is:",
                    JOptionPane.PLAIN_MESSAGE);
            } else {
                frame.messlab.setText(returned + " " +
                    messages.getString("NotFoundException"));
            }
        } catch (InvalidParameterException ex) {
            frame.messlab.setText("InvalidParameterException");
        } catch (RemoteException ex) {
            frame.messlab.setText("RemoteException" + ex.getMessage());
        }
    }

    protected void createActInf(int currentFunction, String returned) {
        AccountDetails details = null;

        //View Account Information
        if ((currentFunction == 4) && (returned.length() > 0)) {
            try {
                details = account.getDetails(returned);

                boolean readonly = true;
                frame.setDescription(details.getDescription());

                ArrayList alist = new ArrayList();
                alist = account.getCustomerIds(returned);
                frame.createActFields(readonly, details.getType(),
                    details.getBalance(), details.getCreditLine(),
                    details.getBeginBalance(), alist,
                    details.getBeginBalanceTimeStamp());
            } catch (InvalidParameterException ex) {
                frame.messlab.setText(messages.getString(
                        "InvalidParameterException"));
            } catch (AccountNotFoundException ex) {
                frame.resetPanelTwo();
                frame.messlab2.setText(messages.getString("AccountException") +
                    " " + returned + " " +
                    messages.getString("NotFoundException"));
            } catch (RemoteException ex) {
                frame.messlab.setText("Remote Exception" + ex.getMessage());
            }
        }

        //Create Account Information
        if (currentFunction == 5) {
            timestamp = new Date();
            frame.setDescription(null);

            boolean readonly = false;
            ArrayList alist = new ArrayList();
            frame.createActFields(readonly, null, bigzero, bigzero, bigzero,
                alist, timestamp);
        }
    }

    protected void createCustInf(int currentFunction, String returned) {
        CustomerDetails details = null;

        //View Customer Information
        if ((currentFunction == 3) && (returned.length() > 0)) {
            try {
                details = customer.getDetails(returned);

                boolean readonly = true;
                frame.createCustFields(true, details.getFirstName(),
                    details.getLastName(), details.getMiddleInitial(),
                    details.getStreet(), details.getCity(), details.getState(),
                    details.getZip(), details.getPhone(), details.getEmail());
            } catch (InvalidParameterException ex) {
                frame.messlab.setText("InvalidParameterException");
            } catch (CustomerNotFoundException ex) {
                frame.resetPanelTwo();
                frame.messlab2.setText(messages.getString("CustomerException") +
                    " " + returned + " " +
                    messages.getString("NotFoundException"));
            } catch (RemoteException ex) {
                frame.messlab.setText("Remote Exception" + ex.getMessage());
            }
        }

        //Update Customer Information
        if ((currentFunction == 2) && (returned.length() > 0)) {
            try {
                details = customer.getDetails(returned);

                boolean readonly = false;
                frame.createCustFields(false, details.getFirstName(),
                    details.getLastName(), details.getMiddleInitial(),
                    details.getStreet(), details.getCity(), details.getState(),
                    details.getZip(), details.getPhone(), details.getEmail());
            } catch (RemoteException ex) {
                frame.messlab.setText("Remote Exception" + ex.getMessage());
            } catch (InvalidParameterException ex) {
                frame.messlab.setText("InvalidParameterException");
            } catch (CustomerNotFoundException ex) {
                frame.resetPanelTwo();
                frame.messlab2.setText(messages.getString("CustomerException") +
                    " " + returned + " " +
                    messages.getString("NotFoundException"));
            }
        }

        //Create Customer Information
        if (currentFunction == 1) {
            boolean readonly = false;
            frame.createCustFields(false, null, null, null, null, null, null,
                null, null, null);
        }
    }
}