org.jafer.util
Class PDUDriver

java.lang.Object
  |
  +--org.jafer.util.PDUDriver

public class PDUDriver

extends java.lang.Object

Used by ZClient and ZServer Session for Z39.50 input/output - each session has it's own PDUDriver. Includes methods for get/send PDU and close. I/O errors throw org.jafer.util.ConnectionException - caught and handled by the session object.

Version:

1.0

Author:

Antony Corfield; Matthew Dovey; Colin Tatham

Field Summary

private java.util.Hashtable	closeReason
private java.io.BufferedOutputStream	dest
private static java.util.logging.Logger	logger
private java.lang.String	sessionName
private java.net.Socket	socket
private java.io.BufferedInputStream	src

Constructor Summary

PDUDriver(java.lang.String sessionName, java.net.Socket socket, int timeout)

Method Summary

asn1.BEREncoding	getBEREncoding()
private java.lang.String	getCloseReason(int k)
z3950.v3.PDU	getPDU()
void	initClose(int reason)
private java.util.Hashtable	loadCloseReason(java.util.Hashtable closeReason)
void	respClose(z3950.v3.PDU pduRequest)
void	sendPDU(z3950.v3.PDU pduResponse)
private void	waitClosePDU()
private z3950.v3.PDU	waitForPDU()

Methods inherited from class java.lang.Object

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

Field Detail

logger

private static java.util.logging.Logger logger

closeReason

private java.util.Hashtable closeReason

socket

private java.net.Socket socket

src

private java.io.BufferedInputStream src

dest

private java.io.BufferedOutputStream dest

sessionName

private java.lang.String sessionName

Constructor Detail

PDUDriver

public PDUDriver(java.lang.String sessionName,
                 java.net.Socket socket,
                 int timeout)
          throws java.io.IOException

Method Detail

getBEREncoding

public asn1.BEREncoding getBEREncoding()
                                throws ConnectionException

ConnectionException

getPDU

public z3950.v3.PDU getPDU()
                    throws ConnectionException

ConnectionException

sendPDU

public void sendPDU(z3950.v3.PDU pduResponse)
             throws ConnectionException

ConnectionException

initClose

public void initClose(int reason)
               throws ConnectionException

ConnectionException

respClose

public void respClose(z3950.v3.PDU pduRequest)
               throws ConnectionException

ConnectionException

waitClosePDU

private void waitClosePDU()

waitForPDU

private z3950.v3.PDU waitForPDU()
                         throws ConnectionException

ConnectionException

getCloseReason

private java.lang.String getCloseReason(int k)

loadCloseReason

private java.util.Hashtable loadCloseReason(java.util.Hashtable closeReason)