com.numdata.printer
Class LPDClient

java.lang.Object
  com.numdata.printer.LPDClient

public class LPDClient
extends Object

Client for the Line Printer Daemon Protocol.

Author:

Gerrit Meinders

See Also:

RFC 1179: Line Printer Daemon Protocol

Field Summary

static int

DEFAULT_PORT The default LPD port number.

Constructor Summary

LPDClient(PrinterSettings printerSettings)
Constructs a new instance.

LPDClient(String hostname, int networkPort, String queueName)
Constructs a new instance.

Method Summary

void	print(String documentName, byte[] documentData, boolean printRaw) Print a document to a LPD print server on a network host.
void	removeCurrentJob() Removes the currently active job.
String	requestQueueState(boolean longFormat) Requests information about the printer queue.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_PORT

public static final int DEFAULT_PORT

The default LPD port number.

See Also:

Constant Field Values

Constructor Detail

LPDClient

public LPDClient(PrinterSettings printerSettings)

Constructs a new instance.

Parameters:

printerSettings - Printer settings to use.

LPDClient

public LPDClient(String hostname,
                 int networkPort,
                 String queueName)

Constructs a new instance.

Parameters:

hostname - Host name or IP address of server.

networkPort - Port to use on host (0 or less to use default).

queueName - Name of remote printer queue or port.

Method Detail

requestQueueState

public String requestQueueState(boolean longFormat)
                         throws PrinterException

Requests information about the printer queue.

Parameters:

longFormat - false for short format; true for long format.

Returns:

Printer queue information.

Throws:

PrinterException - if an error occurs while accessing the printer.

removeCurrentJob

public void removeCurrentJob()
                      throws PrinterException

Removes the currently active job.

Throws:

PrinterException - if an error occurs while accessing the printer.

print

public void print(String documentName,
                  byte[] documentData,
                  boolean printRaw)
           throws PrinterException

Print a document to a LPD print server on a network host. This implementation conforms to RFC1179, except for the fact that it does not use local port numbers 721 - 731, which may not always be available.

Parameters:

documentName - Name of document to display in queue.

documentData - Document data to print.

printRaw - Print raw vs. cooked data.

Throws:

PrinterException - if there was a problem sending the document to the printer.