net.sourceforge.barbecue.linear.code39

Class Code39Barcode

java.lang.Object

java.awt.Component

java.awt.Container

javax.swing.JComponent

net.sourceforge.barbecue.Barcode

net.sourceforge.barbecue.linear.LinearBarcode

net.sourceforge.barbecue.linear.code39.Code39Barcode

All Implemented Interfaces:

ImageObserver, MenuContainer, Printable, Serializable

public class Code39Barcode
extends LinearBarcode

This is a concrete implementation of the Code 39 barcode, AKA 3of9, USD-3.

Author:

Ian Bourke

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class javax.swing.JComponent

JComponent.AccessibleJComponent

Nested classes/interfaces inherited from class java.awt.Container

Container.AccessibleAWTContainer

Nested classes/interfaces inherited from class java.awt.Component

Component.AccessibleAWTComponent, Component.BaselineResizeBehavior, Component.BltBufferStrategy, Component.FlipBufferStrategy

Field Summary

Fields

Modifier and Type	Field and Description
static String[]	TYPES A list of type identifiers for the Code39 barcode format

Fields inherited from class net.sourceforge.barbecue.Barcode

barHeight, barWidth, data, drawingQuietSection, drawingText

Fields inherited from class javax.swing.JComponent

accessibleContext, listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface java.awt.print.Printable

NO_SUCH_PAGE, PAGE_EXISTS

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

Constructors

Constructor and Description
Code39Barcode(String data, boolean requiresChecksum) Constructs a basic mode Code 39 barcode with the specified data and an optional checksum.
Code39Barcode(String data, boolean requiresChecksum, boolean extendedMode) Constructs an extended mode Code 39 barcode with the specified data and an optional checksum.

Method Summary

Methods

Modifier and Type	Method and Description
protected Module	calculateChecksum() Returns the checksum for the barcode, pre-encoded as a Module.
static int	calculateMod43(String givenData) Returns the for the Mod-43 checkIndex for the barcode as an int
protected Module[]	encodeData() Returns the encoded data for the barcode.
String	getLabel() Returns the text that will be displayed underneath the barcode (if requested).
protected Module	getPostAmble() Returns the post-amble for the barcode.
protected Module	getPreAmble() Returns the pre-amble for the barcode.

Methods inherited from class net.sourceforge.barbecue.linear.LinearBarcode

draw, drawTextLabel

Methods inherited from class net.sourceforge.barbecue.Barcode

beautify, calculateMinimumBarHeight, draw, drawModule, getBounds, getBounds, getData, getHeight, getMaximumSize, getMinimumSize, getPreferredSize, getResolution, getSize, getWidth, getX, getY, isDrawingQuietSection, isDrawingText, output, paintComponent, print, setBarHeight, setBarWidth, setDrawingQuietSection, setDrawingText, setFont, setLabel, setResolution, toString

Methods inherited from class javax.swing.JComponent

addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getAccessibleContext, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBaseline, getBaselineResizeBehavior, getBorder, getClientProperty, getComponentGraphics, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getGraphics, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getNextFocusableComponent, getPopupLocation, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getUIClassID, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingOrigin, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintImmediately, paintImmediately, paramString, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFocusTraversalKeys, setForeground, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update, updateUI

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setLayout, transferFocusDownCycle, validate, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, createImage, createImage, createVolatileImage, createVolatileImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, transferFocus, transferFocusBackward, transferFocusUpCycle

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

TYPES

public static final String[] TYPES

A list of type identifiers for the Code39 barcode format

Constructor Detail

Code39Barcode

public Code39Barcode(String data,
             boolean requiresChecksum)
              throws BarcodeException

Constructs a basic mode Code 39 barcode with the specified data and an optional checksum.

Parameters:

data - The data to encode

requiresChecksum - A flag indicating whether a checksum is required or not

Throws:

BarcodeException - If the data to be encoded is invalid

Code39Barcode

public Code39Barcode(String data,
             boolean requiresChecksum,
             boolean extendedMode)
              throws BarcodeException

Constructs an extended mode Code 39 barcode with the specified data and an optional checksum. The extended mode encodes all 128 ASCII characters using two character pairs from the basic Code 39 character set. Note that most barcode scanners will need to be configured to accept extended Code 39.

Parameters:

data - The data to encode

requiresChecksum - A flag indicating whether a checksum is required or not

extendedMode - Puts the barcode into extended mode, where all 128 ASCII characters can be encoded

Throws:

BarcodeException - If the data to be encoded is invalid

Method Detail

getLabel

public String getLabel()

Returns the text that will be displayed underneath the barcode (if requested).

Overrides:

getLabel in class Barcode

Returns:

The text label for the barcode

encodeData

protected Module[] encodeData()

Returns the encoded data for the barcode.

Specified by:

encodeData in class Barcode

Returns:

An array of modules that represent the data as a barcode

calculateChecksum

protected Module calculateChecksum()

Returns the checksum for the barcode, pre-encoded as a Module.

Specified by:

calculateChecksum in class Barcode

Returns:

Null if no checksum is required, a Mod-43 calculated checksum otherwise

calculateMod43

public static int calculateMod43(String givenData)

Returns the for the Mod-43 checkIndex for the barcode as an int

Returns:

Mod-43 checkIndex for the given data String

getPreAmble

protected Module getPreAmble()

Returns the pre-amble for the barcode.

Specified by:

getPreAmble in class Barcode

Returns:

ModuleFactory.START_STOP

getPostAmble

protected Module getPostAmble()

Returns the post-amble for the barcode.

Specified by:

getPostAmble in class Barcode

Returns:

ModuleFactory.START_STOP