For the error and my question, skip to the bottom. I just posted all of the code in case it's needed.
/***********************************************************************************
*
* File: Customer.java
*
* Author: Austin Smith
*
* Date: 04/04/2011
*
* Description: The Customer class handles all client information
* such as name and address.
*
**********************************************************************************/
public class Customer
{
/*** Defaults/Constants ***/
public static final String DEFAULT_NAME = "ERROR: Invalid Name";
public static final String DEFAULT_ADDRESS = "ERROR: Invalid Address";
public static final String DEFAULT_CITY = "ERROR: Invalid City";
public static final String DEFAULT_STATE = "ER";
public static final String DEFAULT_ZIP_CODE = "ERROR";
/*** Instance Variables ***/
private String name;
private String address;
private String city;
private String state;
private String zipCode;
/*** Constructors ***/
public void Customer()
{
name = DEFAULT_NAME;
address = DEFAULT_ADDRESS;
city = DEFAULT_CITY;
state = DEFAULT_STATE;
zipCode = DEFAULT_ZIP_CODE;
}
public void Customer( String name,
String address,
String city,
String state,
String zipCode )
{
this.name = name;
this.address = address;
this.city = city;
this.state = state;
this.zipCode = zipCode;
}
/*** Accessors ***/
public String getName()
{
return name;
}
public String getAddress()
{
return address;
}
public String getCity()
{
return city;
}
public String getState()
{
return state;
}
public String getZipCode()
{
return zipCode;
}
/*** Mutators ***/
public void setName( String name )
{
if ( verifyOneChar( name ) )
this.name = name;
else
this.name = DEFAULT_NAME;
}
public void setAddress( String address )
{
if ( verifyOneChar( address ) )
this.address = address;
else
this.address = DEFAULT_ADDRESS;
}
public void setCity( String city )
{
if ( verifyOneChar( city ) )
this.city = city;
else
this.city = DEFAULT_CITY;
}
public void setState( String state )
{
if ( verifyState( state ) )
this.state = state;
else
this.state = DEFAULT_STATE;
}
public void setZipCode( String zipCode )
{
if ( verifyZipCode( zipCode ) )
this.zipCode = zipCode;
else
this.zipCode = DEFAULT_ZIP_CODE;
}
/*** Helper Methods ***/
public boolean verifyOneChar( String string )
{
boolean atLeastOneChar;
if ( string.length() >= 1 )
atLeastOneChar = true;
else
atLeastOneChar = false;
return atLeastOneChar;
}
public boolean verifyState( String state )
{
boolean validState;
if ( state.length() == 2 )
validState = true;
else
validState = false;
return validState;
}
public boolean verifyZipCode( String zipCode )
{
boolean validZipCode;
if ( zipCode.length() == 5 )
validZipCode = true;
else if ( zipCode.length() == 10 )
validZipCode = true;
else
validZipCode = false;
return validZipCode;
}
}/***********************************************************************************
*
* File: Order.java
*
* Author: Austin Smith
*
* Date: 04/04/2011
*
* Description: The Order class keeps track of order information such as the
* number of bags ordered and the date on which it was ordered.
* It also calculates the number of boxes of each size needed
* to ship the order while incurring the least amount of cost.
*
**********************************************************************************/
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Calendar;
public class Order
{
/*** Defaults/Constants ***/
public static final int MINIMUM_BAGS_ORDERED = 1;
public static final int DEFAULT_BAGS_ORDERED = 20;
public static final int DEFAULT_MEDIUM_BOXES = 0;
public static final int DEFAULT_SMALL_BOXES = 0;
public static final int MAXIMUM_MEDIUM_BOXES = 1;
public static final int MAXIMUM_SMALL_BOXES = 1;
public static final int BAGS_PER_LARGE_BOX = 20;
public static final int BAGS_PER_MEDIUM_BOX = 10;
public static final int BAGS_PER_SMALL_BOX = 5;
/*** Instance Variables ***/
private int bagsOrdered;
private int largeBoxes;
private int mediumBoxes;
private int smallBoxes;
private String dateOrdered;
/*** Constructors ***/
public Order( int bagsOrdered )
{
this.bagsOrdered = setBagsOrdered( bagsOrdered );
largeBoxes = getLargeBoxes( order.bagsOrdered );
mediumBoxes = getMediumBoxes( order.bagsOrdered );
smallBoxes = getSmallBoxes( order.bagsOrdered );
dateOrdered = getDate();
}
/*** Accessors ***/
public int getBagsOrdered()
{
return order.bagsOrdered;
}
public int getLargeBoxes( int bagsOrdered )
{
int largeBoxes = ( bagsOrdered / BAGS_PER_LARGE_BOX );
return largeBoxes;
}
public int getMediumBoxes( int bagsOrdered )
{
int mediumBoxes = DEFAULT_MEDIUM_BOXES;
if ( ( bagsOrdered % BAGS_PER_LARGE_BOX ) > BAGS_PER_SMALL_BOX )
mediumBoxes = MAXIMUM_MEDIUM_BOXES;
return mediumBoxes;
}
public int getSmallBoxes( int bagsOrdered )
{
int smallBoxes = DEFAULT_SMALL_BOXES;
if ( ( bagsOrdered % BAGS_PER_LARGE_BOX ) <= BAGS_PER_SMALL_BOX )
smallBoxes = MAXIMUM_SMALL_BOXES;
return smallBoxes;
}
/*** Mutators ***/
public int setBagsOrdered( int bagsOrdered )
{
if ( verifyQuantity( bagsOrdered ) )
this.bagsOrdered = bagsOrdered;
else
this.bagsOrdered = DEFAULT_BAGS_ORDERED;
return this.bagsOrdered;
}
/*** Hepler Methods ***/
private boolean verifyQuantity( int quantity )
{
boolean validQuantity;
if ( quantity >= MINIMUM_BAGS_ORDERED )
validQuantity = true;
else
validQuantity = false;
return validQuantity;
}
public String getDate()
{
DateFormat dateFormat = new SimpleDateFormat("MMMMMMMMM d, yyyy");
Calendar calendar = Calendar.getInstance();
return dateFormat.format( calendar.getTime() );
}
/*** Instantiate order ***/
Order order = new Order( 0 );
}/***********************************************************************************
*
* File: Invoice.java
*
* Author: Austin Smith
*
* Date: 04/04/2011
*
* Description: The Invoice class calculates the cost of an order including
* the cost of the coffee and the boxes used to ship the coffee.
* It also calculates the expected date of arrival based on the
* date the order was placed.
*
**********************************************************************************/
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Calendar;
public class Invoice
{
/*** Defaults/Constants ***/
public static final double COFFEE_PRICE_PER_BAG = 5.50;
public static final double COST_PER_LARGE_BOX = 1.80;
public static final double COST_PER_MEDIUM_BOX = 1.00;
public static final double COST_PER_SMALL_BOX = 0.60;
/*** Instance Variables ***/
private int bagsOrdered;
private double coffeeCost;
private int largeBoxes;
private int mediumBoxes;
private int smallBoxes;
private double largeBoxCost;
private double mediumBoxCost;
private double smallBoxCost;
private String dateOrdered;
private String dateOfArrival;
/*** Constructor ***/
public Invoice( int bagsOrdered )
{
this.bagsOrdered = bagsOrdered;
coffeeCost = invoice.getCoffeeCost( order.getBagsOrdered() );
largeBoxes = order.getLargeBoxes( order.getBagsOrdered() );
mediumBoxes = order.getMediumBoxes( order.getBagsOrdered() );
smallBoxes = order.getSmallBoxes( order.getBagsOrdered() );
largeBoxCost = invoice.getLargeBoxCost();
mediumBoxCost = invoice.getMediumBoxCost();
smallBoxCost = invoice.getSmallBoxCost();
dateOrdered = order.getDate();
dateOfArrival = getDateOfArrival();
}
/*** Instantiates invoice and order ***/
Invoice invoice = new Invoice( 0 );
Order order = new Order( 0 );
/*** Accessors ***/
public double getCoffeeCost( int bagsOrdered )
{
double coffeeCost = ( COFFEE_PRICE_PER_BAG * bagsOrdered );
return coffeeCost;
}
public double getLargeBoxCost()
{
double largeBoxCost = ( COST_PER_LARGE_BOX *
order.getLargeBoxes( order.getBagsOrdered() ) );
return largeBoxCost;
}
public double getMediumBoxCost()
{
double mediumBoxCost = ( COST_PER_MEDIUM_BOX *
order.getMediumBoxes( order.getBagsOrdered() ) );
return mediumBoxCost;
}
public double getSmallBoxCost()
{
double smallBoxCost = ( COST_PER_SMALL_BOX *
order.getSmallBoxes( order.getBagsOrdered() ) );
return smallBoxCost;
}
public double getTotalCost()
{
double totalCost = ( coffeeCost + largeBoxCost
+ mediumBoxCost + smallBoxCost );
return totalCost;
}
public String getDateOfArrival()
{
DateFormat dateFormat = new SimpleDateFormat("MMMMMMMMM d, yyyy");
Calendar calendar = Calendar.getInstance();
calendar.add( Calendar.DATE,14 );
return dateFormat.format( calendar.getTime() );
}
}/***********************************************************************************
*
* File: CoffeeGUI.java
*
* Author: Austin Smith
*
* Date: 04/04/2011
*
* Description: The CoffeeGUI class is a GUI which uses Customer.java, Order.java,
* and Invoice.java. It accepts input for customer and order
* information and displays an invoice containing the information
* necessary to bill the customer and ship the order.
*
**********************************************************************************/
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class CoffeeGUI implements ActionListener
{
/*** Instance Variables ***/
private JLabel lblName;
private JLabel lblBags;
private JLabel lblAddress;
private JLabel lblCity;
private JLabel lblState;
private JLabel lblZipCode;
private JTextField txfName;
private JTextField txfBags;
private JTextField txfAddress;
private JTextField txfCity;
private JTextField txfState;
private JTextField txfZipCode;
private JPanel inputPanel;
private JPanel buttonPanel;
private JPanel displayPanel;
private JTextArea txaInvoice;
private JButton btnClear;
private JButton btnExit;
private JButton btnCreate;
private JButton btnPrint;
private JFrame myGUI;
/*** Constructor ***/
public CoffeeGUI()
{
myGUI = createJFrame();
Container leftSide = new Container();
leftSide.setLayout( new BorderLayout() );
inputPanel = createInputPanel();
leftSide.add( "North", inputPanel );
buttonPanel = createButtonPanel();
leftSide.add( "South", buttonPanel );
Container bothSides = myGUI.getContentPane();
bothSides.setLayout( new BorderLayout() );
bothSides.add( "West", leftSide );
displayPanel = createDisplayPanel();
bothSides.add( "East", displayPanel );
myGUI = setJFrame();
}
/*** Instantiate Customer, Order, and Invoice ***/
Customer customer = new Customer();
Order order = new Order( 0 );
Invoice invoice = new Invoice ( 0 );
/*** Create GUI ***/
private JFrame createJFrame()
{
JFrame myGUI = new JFrame();
return myGUI;
}
private JFrame setJFrame()
{
myGUI.setSize( 1000, 500 );
myGUI.setLocation( 10, 10 );
myGUI.setTitle( "Place an order - MyJava Coffee Outlet" );
myGUI.setVisible( true );
return myGUI;
}
private JPanel createInputPanel()
{
JPanel inputPanel = new JPanel();
lblName = new JLabel( " Name " );
lblBags = new JLabel( " Order Quantity " );
lblAddress = new JLabel( " Address " );
lblCity = new JLabel( " City " );
lblState = new JLabel( " State " );
lblZipCode = new JLabel( " ZIP " );
txfName = new JTextField( 20 );
txfBags = new JTextField( 20 );
txfAddress = new JTextField( 20 );
txfCity = new JTextField( 15 );
txfState = new JTextField( 2 );
txfZipCode = new JTextField( 10 );
GridLayout inputGrid = new GridLayout(6,2,0,20);
inputPanel = new JPanel( inputGrid );
inputPanel.add( lblName );
inputPanel.add( txfName );
inputPanel.add( lblBags );
inputPanel.add( txfBags );
inputPanel.add( lblAddress );
inputPanel.add( txfAddress );
inputPanel.add( lblCity );
inputPanel.add( txfCity );
inputPanel.add( lblState );
inputPanel.add( txfState );
inputPanel.add( lblZipCode );
inputPanel.add( txfZipCode );
return inputPanel;
}
private JPanel createButtonPanel()
{
JPanel buttonPanel = new JPanel();
btnClear = new JButton( " Clear " );
btnExit = new JButton( " Exit " );
btnCreate = new JButton( " Create Invoice " );
btnPrint = new JButton( " Print " );
btnClear.addActionListener( this );
btnExit.addActionListener( this );
btnCreate.addActionListener( this );
btnPrint.addActionListener( this );
buttonPanel.add( btnClear );
buttonPanel.add( btnExit );
buttonPanel.add( btnCreate );
buttonPanel.add( btnPrint );
return buttonPanel;
}
private JPanel createDisplayPanel()
{
JPanel displayPanel = new JPanel();
txaInvoice = new JTextArea( 350, 350 );
displayPanel.add( txaInvoice );
return displayPanel;
}
public void actionPerformed( ActionEvent event )
{
if ( event.getSource() == btnClear )
{
processClearButton();
}
else if ( event.getSource() == btnExit )
{
processExitButton();
}
else if ( event.getSource() == btnCreate )
{
processCreateButton();
}
else if ( event.getSource() == btnPrint )
{
processPrintButton();
}
else
txaInvoice.setText( "WARNING: Some unplanned action event happened" );
}
/*** Helper Methods ***/
private void processClearButton()
{
txfName.setText( "" );
txfBags.setText( "" );
txfAddress.setText( "" );
txfCity.setText( "" );
txfState.setText( "" );
txfZipCode.setText( "" );
txaInvoice.setText( "" );
}
private void processExitButton()
{
System.exit( 0 );
}
private void processCreateButton()
{
createInvoice();
}
private void processPrintButton()
{
System.out.println( "" );
}
private void readText()
{
customer.setName( txfName.getText() );
order.setBagsOrdered( Integer.parseInt( txfBags.getText() ) );
customer.setAddress( txfAddress.getText() );
customer.setCity( txfCity.getText() );
customer.setState( txfState.getText() );
customer.setZipCode( txfZipCode.getText() );
}
private void createInvoice()
{
readText();
txaInvoice.append(" Customer Name: " + customer.getName() + "\n"
+ " Number of Bags Ordered: " + order.getBagsOrdered() + "\n"
+ " Purchase Price: $ " + invoice.getCoffeeCost( order.getBagsOrdered() ) + "\n\n"
+ " Boxes Used: \n"
+ " Large: " + order.getLargeBoxes( order.getBagsOrdered() ) + " Cost: $ " + invoice.getLargeBoxCost() + "\n"
+ " Medium: " + order.getMediumBoxes( order.getBagsOrdered() ) + " Cost: $ " + invoice.getMediumBoxCost() + "\n"
+ " Small: " + order.getSmallBoxes( order.getBagsOrdered() ) + " Cost: $ " + invoice.getSmallBoxCost() + "\n\n\n"
+ " Total Cost: $ " + invoice.getTotalCost() + "\n\n"
+ " Date of Order: " + order.getDate() + "\n"
+ " Expected Date of Arrival: " + invoice.getDateOfArrival() + "\n\n"
+ " Shipping Address: " + customer.getAddress() + "\n"
+ " " + customer.getCity() + ", " + customer.getState() + " " + customer.getZipCode() + "\n" );
}
/*** Main Method ***/
public static void main( String arrayIdentifier[] )
{
CoffeeGUI coffeeGUI = new CoffeeGUI();
}
}(sorry that the createInvoice() part is messy... once I get the GUI working I'll make the adjustments to the invoice layout and then I'll be cleaning it up)
When I run the GUI:
Exception in thread "main" java.lang.StackOverflowError
at Order.<init>(Order.java:49)
at Order.<init>(Order.java:127)
at Order.<init>(Order.java:127)
at Order.<init>(Order.java:127)
at Order.<init>(Order.java:127)
...
...Why am I getting this error? I can't find any recursion that might be causing it. Thanks in advance for the help.
