org.krysalis.barcode4j.impl.int2of5

Class Interleaved2Of5LogicImpl

java.lang.Object

org.krysalis.barcode4j.impl.int2of5.Interleaved2Of5LogicImpl

Direct Known Subclasses:

ITF14LogicImpl

public class Interleaved2Of5LogicImpl
extends Object

This class is an implementation of the Interleaved 2 of 5 barcode.

Version:

$Id: Interleaved2Of5LogicImpl.java,v 1.3 2009-02-19 10:14:54 jmaerki Exp $

Constructor Summary

Constructors

Constructor and Description
Interleaved2Of5LogicImpl(ChecksumMode mode, boolean displayChecksum) Main constructor.

Method Summary

Modifier and Type	Method and Description
static char	calcChecksum(String msg) Calculates the checksum for a message to be encoded as an Interleaved 2 of 5 barcode.
static char	calcChecksum(String msg, int oddMultiplier, int evenMultiplier) Calculates the checksum for a message to be encoded as an Interleaved 2 of 5 barcode.
protected String	doHandleChecksum(StringBuffer sb, ChecksumMode mode) Handles the checksum based on the given checksum mode.
void	generateBarcodeLogic(ClassicBarcodeLogicHandler logic, String msg) Generates the barcode logic.
ChecksumMode	getChecksumMode() Returns the current checksum mode
protected String	handleChecksum(StringBuffer sb) Handles the checksum based on the checksum mode.
static boolean	validateChecksum(String msg) Verifies the checksum for a message.

Methods inherited from class java.lang.Object

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

Constructor Detail

Interleaved2Of5LogicImpl

public Interleaved2Of5LogicImpl(ChecksumMode mode,
                                boolean displayChecksum)

Main constructor.

Parameters:

mode - the checksum mode

displayChecksum - Controls whether to display checksum in the human-readable message

Method Detail

getChecksumMode

public ChecksumMode getChecksumMode()

Returns the current checksum mode

Returns:

the checksum mode

calcChecksum

public static char calcChecksum(String msg,
                                int oddMultiplier,
                                int evenMultiplier)

Calculates the checksum for a message to be encoded as an Interleaved 2 of 5 barcode. The algorithm is a weighted modulo 10 scheme.

Parameters:

msg - message to calculate the check digit for

oddMultiplier - multiplier to be used for odd positions (usually 3 or 4)

evenMultiplier - multiplier to be used for even positions (usually 1 or 9)

Returns:

char the check digit

calcChecksum

public static char calcChecksum(String msg)

Calculates the checksum for a message to be encoded as an Interleaved 2 of 5 barcode. The algorithm is a weighted modulo 10 scheme. This method uses the default specification (ITF-14, EAN-14, SSC-14, DUN14 and USPS).

Parameters:

msg - message to calculate the check digit for

Returns:

char the check digit

validateChecksum

public static boolean validateChecksum(String msg)

Verifies the checksum for a message.

Parameters:

msg - message (check digit included)

Returns:

boolean True, if the checksum is correct

doHandleChecksum

protected String doHandleChecksum(StringBuffer sb,
                                  ChecksumMode mode)

Handles the checksum based on the given checksum mode. The checksum is either checked, ignored or attached to the given string buffer.

Parameters:

sb - the string buffer containing the message

mode - the checksum mode

Returns:

the updated string after checksum processing (for the human-readable part)

handleChecksum

protected String handleChecksum(StringBuffer sb)

Handles the checksum based on the checksum mode. The checksum is either checked, ignored or attached to the given string buffer.

Parameters:

sb - the string buffer containing the message

Returns:

the updated string after checksum processing (for the human-readable part)

generateBarcodeLogic

public void generateBarcodeLogic(ClassicBarcodeLogicHandler logic,
                                 String msg)

Generates the barcode logic.

Parameters:

logic - the logic handler to receive generated events

msg - the message to encode