org.posper.tpv.printer.escpos

Class PrinterWritter

java.lang.Object

org.posper.tpv.printer.escpos.PrinterWritter

Direct Known Subclasses:

PrinterWritterComm, PrinterWritterFile, PrinterWritterRaw, PrinterWritterRXTX

public abstract class PrinterWritter
extends Object

Constructor Summary

Constructors

Constructor and Description
PrinterWritter() The implementing classes must handle the actual comunication with the device.

Method Summary

Modifier and Type	Method and Description
void	close()
protected abstract void	daemonClose() Close the output buffer and the communication link
protected abstract void	daemonFlush() Flush the output buffer
protected abstract void	daemonPrintJob() Start a print job if required, otherwise like flush
protected abstract void	daemonWrite(byte[] data) Write a byte array
void	flush()
List<Byte>	getStatus(byte[] status_cmd)
void	init(UnicodeTranslator trans) When a printer queue is to be used init() will be used to initialize the printer before printing the job.
protected void	startDaemon() Start the daemon thread which handles the printer buffer.
void	startJob()
void	write(byte[] data)
void	write(String sValue)

Methods inherited from class java.lang.Object

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

Constructor Detail

PrinterWritter

public PrinterWritter()

The implementing classes must handle the actual comunication with the device.

Method Detail

daemonWrite

protected abstract void daemonWrite(byte[] data)

Write a byte array

Parameters:

data -

daemonFlush

protected abstract void daemonFlush()

Flush the output buffer

daemonPrintJob

protected abstract void daemonPrintJob()

Start a print job if required, otherwise like flush

daemonClose

protected abstract void daemonClose()

Close the output buffer and the communication link

startDaemon

protected final void startDaemon()

Start the daemon thread which handles the printer buffer.

write

public final void write(byte[] data)

write

public final void write(String sValue)

flush

public final void flush()

close

public final void close()

startJob

public final void startJob()

init

public void init(UnicodeTranslator trans)

When a printer queue is to be used init() will be used to initialize the printer before printing the job. printJob is called when a ticket has been fully parsed. The method needs only to be overridden for printers which can be controlled by a printer queue.

Parameters:

trans - the translation table to be used fort this printer

getStatus

public List<Byte> getStatus(byte[] status_cmd)