org.indi.server
Class ClientHandler

java.lang.Object
  org.indi.reactor.SimpleEventHandler
      org.indi.reactor.OutputQueue
          org.indi.server.ClientHandler

All Implemented Interfaces:

java.io.Closeable, java.lang.Runnable, java.nio.channels.Channel, java.nio.channels.WritableByteChannel, org.indi.reactor.EventHandler

public class ClientHandler
extends org.indi.reactor.OutputQueue
implements java.lang.Runnable

A class to handle a connection to a single client

Author:

Dirk Hünniger

Field Summary

Fields inherited from class org.indi.reactor.OutputQueue

active, dead, queue

Fields inherited from class org.indi.reactor.SimpleEventHandler

channel, reactor, registeredOperations

Constructor Summary

ClientHandler(org.indi.reactor.Reactor r, java.nio.channels.SelectableChannel ch)
class constructor

Method Summary

boolean	getVectorEnabled(org.indi.objects.Vector vec) Checks whether a given indivector should be send to the client with respect to the blobenable configuration for the client.
void	onEnableBlob(org.indi.clientmessages.EnableBlob eb) called when an enable blob message ist received from the client
void	onGetProperties(org.indi.clientmessages.GetProperties o) called when a get properties message is received from the client
void	onRead()
void	run() start method parsing thread (run asynchornously)
void	send(org.indi.objects.Object object, org.indi.objects.TransferType type, java.lang.String message) send a particular indiobject to the client
void	setQueue(java.util.Queue<java.lang.Object> queue) set the queue to send parsed messages from the parsing thread to the device drivers

Methods inherited from class org.indi.reactor.OutputQueue

close, isOpen, onClose, onWrite, write

Methods inherited from class org.indi.reactor.SimpleEventHandler

channel, onAccept, onConnect, register

Methods inherited from class java.lang.Object

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

Constructor Detail

ClientHandler

public ClientHandler(org.indi.reactor.Reactor r,
                     java.nio.channels.SelectableChannel ch)
              throws java.io.IOException,
                     javax.xml.parsers.ParserConfigurationException,
                     org.xml.sax.SAXException

class constructor

Parameters:

r - the reactor to register with

ch - the channel to communicate with the client

Throws:

java.io.IOException

javax.xml.parsers.ParserConfigurationException

org.xml.sax.SAXException

Method Detail

setQueue

public void setQueue(java.util.Queue<java.lang.Object> queue)

set the queue to send parsed messages from the parsing thread to the device drivers

Parameters:

queue -

run

public void run()

start method parsing thread (run asynchornously)

Specified by:

run in interface java.lang.Runnable

onRead

public void onRead()
            throws java.io.IOException

Specified by:

onRead in interface org.indi.reactor.EventHandler

Overrides:

onRead in class org.indi.reactor.SimpleEventHandler

Throws:

java.io.IOException

onGetProperties

public void onGetProperties(org.indi.clientmessages.GetProperties o)

called when a get properties message is received from the client

Parameters:

o -

onEnableBlob

public void onEnableBlob(org.indi.clientmessages.EnableBlob eb)

called when an enable blob message ist received from the client

Parameters:

eb - the blobenable object describing the request of the client

getVectorEnabled

public boolean getVectorEnabled(org.indi.objects.Vector vec)

Checks whether a given indivector should be send to the client with respect to the blobenable configuration for the client.

Parameters:

vec - the indivector to be checked

Returns:

true if the given indivector should be send to the client

send

public void send(org.indi.objects.Object object,
                 org.indi.objects.TransferType type,
                 java.lang.String message)

send a particular indiobject to the client

Parameters:

object - the object to be send

type - the way the obejct should be send

message - the message to be sent along wiht the object