Class VAPChannel

java.lang.Object

java.util.Observable

org.jpos.iso.BaseChannel

org.jpos.iso.channel.VAPChannel

All Implemented Interfaces:

Cloneable, Configurable, ExceptionHandlerAware, BaseChannelMBean, ClientChannel, FactoryChannel, FilteredChannel, ISOChannel, ISOSource, ServerChannel, ISOMsgMetrics.Source, LogSource

public class VAPChannel
extends BaseChannel

ISOChannel implementation - VISA's VAP framing

See Also:

• ISOMsg
• ISOException
• ISOChannel

Field Summary

Fields inherited from class BaseChannel

cnt, header, incomingFilters, logger, originalRealm, outgoingFilters, overrideHeader, packager, realm, serverIn, serverInLock, serverOut, serverOutLock, serverSocket, socketFactory, usable

Fields inherited from interface ISOChannel

CONNECT, RX, SIZEOF_CNT, TX

Constructor Summary

Constructors

Constructor	Description
VAPChannel()	Public constructor (used by Class.forName("...").newInstance())
VAPChannel(String host, int port, ISOPackager p)	Construct client ISOChannel
VAPChannel(ISOPackager p)	Construct server ISOChannel
VAPChannel(ISOPackager p, ServerSocket serverSocket)	constructs a server ISOChannel associated with a Server Socket

Method Summary

Modifier and Type	Method	Description
String	getDstId()
protected ISOHeader	getDynamicHeader(byte[] image)	The default header for VAPChannel is BASE1Header
protected int	getHeaderLength()
protected int	getMessageLength()
String	getSrcId()
protected boolean	isRejected(byte[] b)
protected byte[]	readHeader(int hLen)	This method reads in a Base 1 Header.
void	send(ISOMsg m)	sends an ISOMsg over the TCP/IP session.
protected void	sendMessageHeader(ISOMsg m, int len)
protected void	sendMessageLength(int len)
void	setConfiguration(Configuration cfg)	Implements Configurable Properties: host - destination host (if ClientChannel) port - port number (if ClientChannel) local-iface - local interfase to use (if ClientChannel) local-port - local port to bind (if ClientChannel) (host not present indicates a ServerChannel)
void	setDstId(String dstid)
void	setSrcId(String srcid)
protected boolean	shouldIgnore(byte[] b)

Methods inherited from class BaseChannel

accept, addFilter, addFilter, addIncomingFilter, addOutgoingFilter, applyIncomingFilters, applyIncomingFilters, applyOutgoingFilters, applyTimeout, clone, closeSocket, connect, connect, createISOMsg, createMsg, disconnect, getBytes, getChannel, getConfiguration, getCounters, getDynamicPackager, getDynamicPackager, getDynamicPackager, getExceptionHandlers, getHeader, getHeaderLength, getHeaderLength, getHost, getIncomingFilters, getISOMsgMetrics, getLogger, getMaxPacketLength, getMessage, getMessageTrailer, getMessageTrailler, getName, getOriginalRealm, getOutgoingFilters, getPackager, getPort, getRealm, getServerSocket, getSocket, getSocketFactory, getSoLingerSeconds, getTimeout, incrementMsgInCounter, incrementMsgOutCounter, isConnected, isExpectKeepAlive, isOverrideHeader, isSoLingerOn, newSocket, newSocket, pack, postConnectHook, receive, reconnect, removeFilter, removeFilter, removeIncomingFilter, removeOutgoingFilter, resetCounters, send, sendKeepAlive, sendMessage, sendMessageTrailer, sendMessageTrailler, sendMessageTrailler, setHeader, setHeader, setHost, setHost, setIncomingFilters, setISOMsgMetrics, setLocalAddress, setLogger, setMaxPacketLength, setName, setOutgoingFilters, setOverrideHeader, setPackager, setPort, setServerSocket, setSocketFactory, setSoLinger, setTimeout, setUsable, streamReceive, unpack

Methods inherited from class Observable

addObserver, clearChanged, countObservers, deleteObserver, deleteObservers, hasChanged, notifyObservers, notifyObservers, setChanged

Methods inherited from class Object

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

Methods inherited from interface ExceptionHandlerAware

addHandler, addHandler, handle, removeHandler, removeHandler, removeHandlers

Constructor Details

VAPChannel

public VAPChannel()

Public constructor (used by Class.forName("...").newInstance())

VAPChannel

public VAPChannel(String host,
 int port,
 ISOPackager p)

Construct client ISOChannel

Parameters:

host - server TCP Address

port - server port number

p - an ISOPackager (should be ISO87BPackager)

See Also:

• ISO87BPackager

VAPChannel

public VAPChannel(ISOPackager p)
           throws IOException

Construct server ISOChannel

Parameters:

p - an ISOPackager (should be ISO87BPackager)

Throws:

IOException

See Also:

• ISO87BPackager

VAPChannel

public VAPChannel(ISOPackager p,
 ServerSocket serverSocket)
           throws IOException

constructs a server ISOChannel associated with a Server Socket

Parameters:

p - an ISOPackager

serverSocket - where to accept a connection

Throws:

IOException

See Also:

• ISOPackager

Method Details

setSrcId

public void setSrcId(String srcid)

getSrcId

public String getSrcId()

setDstId

public void setDstId(String dstid)

getDstId

public String getDstId()

getDynamicHeader

protected ISOHeader getDynamicHeader(byte[] image)

The default header for VAPChannel is BASE1Header

Overrides:

getDynamicHeader in class BaseChannel

Parameters:

image - message image

Returns:

ISOHeader instance

readHeader

protected byte[] readHeader(int hLen)
                     throws IOException

This method reads in a Base 1 Header.

Overrides:

readHeader in class BaseChannel

Parameters:

hLen -

Returns:

The header bytes that were read in

Throws:

IOException

sendMessageLength

protected void sendMessageLength(int len)
                          throws IOException

Overrides:

sendMessageLength in class BaseChannel

Throws:

IOException

sendMessageHeader

protected void sendMessageHeader(ISOMsg m,
 int len)
                          throws IOException

Overrides:

sendMessageHeader in class BaseChannel

Parameters:

m - the message

len - already packed message len (to avoid re-pack)

Throws:

IOException

getMessageLength

protected int getMessageLength()
                        throws IOException,
ISOException

Overrides:

getMessageLength in class BaseChannel

Throws:

IOException

ISOException

getHeaderLength

protected int getHeaderLength()

Overrides:

getHeaderLength in class BaseChannel

isRejected

protected boolean isRejected(byte[] b)

Overrides:

isRejected in class BaseChannel

shouldIgnore

protected boolean shouldIgnore(byte[] b)

Overrides:

shouldIgnore in class BaseChannel

send

public void send(ISOMsg m)
          throws IOException,
ISOException

sends an ISOMsg over the TCP/IP session. swap source/destination addresses in BASE1Header if a reply message is detected.
Sending an incoming message is seen as a reply.

Specified by:

send in interface ISOChannel

Specified by:

send in interface ISOSource

Overrides:

send in class BaseChannel

Parameters:

m - the Message to be sent

Throws:

IOException

ISOException

See Also:

• ISOChannel.send(ISOMsg)

setConfiguration

public void setConfiguration(Configuration cfg)
                      throws ConfigurationException

Description copied from class: BaseChannel

Implements Configurable
Properties:

• host - destination host (if ClientChannel)
• port - port number (if ClientChannel)
• local-iface - local interfase to use (if ClientChannel)
• local-port - local port to bind (if ClientChannel)

(host not present indicates a ServerChannel)

Specified by:

setConfiguration in interface Configurable

Overrides:

setConfiguration in class BaseChannel

Parameters:

cfg - Configuration

Throws:

ConfigurationException