Package adams.data.barcode.encode

Class EAN13

java.lang.Object

adams.core.logging.LoggingObject

adams.core.logging.CustomLoggingLevelObject

adams.core.option.AbstractOptionHandler

adams.flow.transformer.draw.AbstractDrawOperation

adams.data.barcode.encode.AbstractBarcodeEncoder

adams.data.barcode.encode.EAN13

All Implemented Interfaces:

Destroyable, GlobalInfoSupporter, LoggingLevelHandler, LoggingSupporter, OptionHandler, QuickInfoSupporter, SizeOfHandler, Serializable

public class EAN13
extends AbstractBarcodeEncoder

Draws an EAN13 barcode at a specified location and size.Digits must be 13 characters long. A valid checksum is enforced.

-logging-level <OFF|SEVERE|WARNING|INFO|CONFIG|FINE|FINER|FINEST> (property: loggingLevel)
    The logging level for outputting errors and debugging output.
    default: WARNING
 

-x <int> (property: x)
    X position of the top-left corner.
    default: 1
    minimum: 1
 

-y <int> (property: y)
    Y position of the top-left corner.
    default: 1
    minimum: 1
 

-width <int> (property: width)
    Width of the barcode in pixels.
    default: 100
    minimum: 1
 

-height <int> (property: height)
    Height of the barcode in pixels.
    default: 100
    minimum: 1
 

-margin <int> (property: margin)
    White margin surrounding the barcode.
    default: 5
    minimum: 0
 

-digits <java.lang.String> (property: digits)
    Digits to be encoded.
    default: 0123456789012
 

Author:

lx51 (lx51 at students dot waikato dot ac dot nz)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected String	m_Digits	Digits to be encoded.

Fields inherited from class adams.data.barcode.encode.AbstractBarcodeEncoder

m_Height, m_Margin, m_Width, m_X, m_Y

Fields inherited from class adams.flow.transformer.draw.AbstractDrawOperation

m_Owner

Fields inherited from class adams.core.option.AbstractOptionHandler

m_OptionManager

Fields inherited from class adams.core.logging.LoggingObject

m_Logger, m_LoggingIsEnabled, m_LoggingLevel

Constructor Summary

Constructors

Constructor	Description
EAN13()

Method Summary

Modifier and Type	Method	Description
void	defineOptions()	Adds options to the internal list of options.
String	digitsTipText()	Returns the tip text for this property.
protected BufferedImageContainer	doEncode(String payload, BufferedImageContainer cont, MessageCollection errors)	Encodes the supplied payload.
String	getDigits()	Returns the digits to be encoded in the QR code.
protected String	getPayload()	Returns the payload to use for generating the barcode.
String	globalInfo()	Returns a string describing the object.
protected String	isValid(String payload)	Checks the given 13 digit code.
void	setDigits(String value)	Sets the digits to be encoded in the QR code.

Methods inherited from class adams.data.barcode.encode.AbstractBarcodeEncoder

check, doDraw, encode, encode, getHeight, getMargin, getWidth, getX, getY, heightTipText, marginTipText, newImage, setHeight, setMargin, setWidth, setX, setY, widthTipText, xTipText, yTipText

Methods inherited from class adams.flow.transformer.draw.AbstractDrawOperation

draw, getOwner, getQuickInfo, setOwner

Methods inherited from class adams.core.option.AbstractOptionHandler

cleanUpOptions, destroy, finishInit, getDefaultLoggingLevel, getOptionManager, initialize, loggingLevelTipText, newOptionManager, reset, setLoggingLevel, toCommandLine, toString

Methods inherited from class adams.core.logging.LoggingObject

configureLogger, getLogger, getLoggingLevel, initializeLogging, isLoggingEnabled, sizeOf

Methods inherited from class java.lang.Object

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

Methods inherited from interface adams.core.logging.LoggingLevelHandler

getLoggingLevel

Field Detail

m_Digits

protected String m_Digits

Digits to be encoded.

Constructor Detail

EAN13

public EAN13()

Method Detail

globalInfo

public String globalInfo()

Returns a string describing the object.

Specified by:

globalInfo in interface GlobalInfoSupporter

Specified by:

globalInfo in class AbstractOptionHandler

Returns:

a description suitable for displaying in the gui

defineOptions

public void defineOptions()

Adds options to the internal list of options.

Specified by:

defineOptions in interface OptionHandler

Overrides:

defineOptions in class AbstractBarcodeEncoder

getDigits

public String getDigits()

Returns the digits to be encoded in the QR code.

Returns:

the digits

isValid

protected String isValid(String payload)

Checks the given 13 digit code. See also International Article Number (EAN).

Specified by:

isValid in class AbstractBarcodeEncoder

Parameters:

payload - the code to check

Returns:

null if valid, otherwise error message

setDigits

public void setDigits(String value)

Sets the digits to be encoded in the QR code.

Parameters:

value - the digits

digitsTipText

public String digitsTipText()

Returns the tip text for this property.

Returns:

tip text for this property suitable for displaying in the GUI or for listing the options.

getPayload

protected String getPayload()

Returns the payload to use for generating the barcode.

Specified by:

getPayload in class AbstractBarcodeEncoder

Returns:

the payload

doEncode

protected BufferedImageContainer doEncode(String payload,
                                          BufferedImageContainer cont,
                                          MessageCollection errors)

Encodes the supplied payload.

Specified by:

doEncode in class AbstractBarcodeEncoder

Parameters:

payload - the payload to encode

cont - the container to add the barcode; creates a new one if null

errors - for collecting error messages

Returns:

the updated/generated container, null if failed to generate