Package de.gmxhome.conrad.jpos.jpos_base.posprinter

Class POSPrinterService.ControlChar

java.lang.Object

de.gmxhome.conrad.jpos.jpos_base.posprinter.POSPrinterService.PrintDataPart

de.gmxhome.conrad.jpos.jpos_base.posprinter.POSPrinterService.ControlChar

Enclosing class:

POSPrinterService

public static class POSPrinterService.ControlChar
extends POSPrinterService.PrintDataPart

Class describing control characters in print data.

Constructor Summary

Constructors

Constructor	Description
ControlChar(char control)	Constructor

Method Summary

Modifier and Type	Method	Description
char	getControlCharacter()	Returns control character to be handled.
void	validate(POSPrinterService srv, int station)	Used to perform full validation of the print data.
void	validateData(POSPrinterService srv, int station)	Used to perform additional validation of the print data, if output to the given station occurs.

Methods inherited from class java.lang.Object

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

Constructor Details

ControlChar

public ControlChar(char control)

Constructor

Parameters:

control - Control character to be printed. Only CR and LF are valid control characters.

Method Details

getControlCharacter

public char getControlCharacter()

Returns control character to be handled. One of CR or LF.

Returns:

'\n' or '\r'.

validate

public void validate(POSPrinterService srv,
 int station)
              throws jpos.JposException

Description copied from class: POSPrinterService.PrintDataPart

Used to perform full validation of the print data. To do this, relevant capabilities will be checked and the corresponding method of the POSPrinterInterface used by the given POSPrinterService will be called.

Specified by:

validate in class POSPrinterService.PrintDataPart

Parameters:

srv - POSPrinterService to be used for additional validation.

station - Printer station for which the validation shall be checked.

Throws:

jpos.JposException - If not precisely supported with ErrorCode E_ILLEGAL, if not supported and no workaround is possible, with ErrorCode E_FAILURE.

validateData

public void validateData(POSPrinterService srv,
 int station)
                  throws jpos.JposException

Description copied from class: POSPrinterService.PrintDataPart

Used to perform additional validation of the print data, if output to the given station occurs. To do this, simply the corresponding method of the POSPrinterInterface used by the given POSPrinterService will be called.

Specified by:

validateData in class POSPrinterService.PrintDataPart

Parameters:

srv - POSPrinterService to be used for validation.

station - Printer station used for validation.

Throws:

jpos.JposException - If not precisely supported with ErrorCode E_ILLEGAL, if not supported and no workaround is possible, with ErrorCode E_FAILURE.