context.apps.Tour
Class TourApp

java.lang.Object
  |
  +--context.apps.Tour.TourApp

public class TourApp

extends java.lang.Object

implements Handler

This class is an application that uses a WTourDemo, WTourEnd, and WTourRegistration. It is a very simple context-aware tour guide that collects information about the user displays information about the demo the user is in front of, and then when the user is ready to leave, it emails a list of the demos (and corresponding information) that the user visited. Also, for each demo, the application lists a number of other demos that are related.

See Also:

Handler, WTourEnd, WTourDemo, WTourRegistration

Field Summary

static int	DEFAULT_PORT Default port to start the BaseObject on is 5555
static java.lang.String	NO_INTEREST
static java.lang.String	SUBSCRIBER_ID Subscription ID for callbacks

Constructor Summary

TourApp(int localport, java.lang.String userid, java.lang.String configFile, java.lang.String demoFile)
Constructor that creates an instance of BaseObject at the DEFAULT_PORT.

TourApp(java.lang.String userid, java.lang.String configFile, java.lang.String demoFile)
Constructor that creates an instance of BaseObject at the DEFAULT_PORT.

Method Summary

DataObject	handle(java.lang.String callback, DataObject data) This method is required to implement the Handler interface.
static void	main(java.lang.String[] argv) Main method that creates an instance of TourApp

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

Default port to start the BaseObject on is 5555

SUBSCRIBER_ID

public static final java.lang.String SUBSCRIBER_ID

Subscription ID for callbacks

NO_INTEREST

public static final java.lang.String NO_INTEREST

Constructor Detail

TourApp

public TourApp(java.lang.String userid,
               java.lang.String configFile,
               java.lang.String demoFile)

Constructor that creates an instance of BaseObject at the DEFAULT_PORT. It subscribes to the various demo widgets.

Parameters:

userid - Id of the user

configFile - Configuration file containing widget information

demoFile - File containing information about each demo

See Also:

BaseObject, BaseObject.subscribeTo(context.arch.handler.Handler, int, java.lang.String, java.lang.String, int, java.lang.String, java.lang.String, java.lang.String)

TourApp

public TourApp(int localport,
               java.lang.String userid,
               java.lang.String configFile,
               java.lang.String demoFile)

Constructor that creates an instance of BaseObject at the DEFAULT_PORT. It subscribes to the various demo widgets.

Parameters:

localport - Port the app is running on

userid - Id of the user

configFile - Configuration file containing widget information

demoFile - File containing information about each demo

See Also:

BaseObject, BaseObject.subscribeTo(context.arch.handler.Handler, int, java.lang.String, java.lang.String, int, java.lang.String, java.lang.String, java.lang.String)

Method Detail

handle

public DataObject handle(java.lang.String callback,
                         DataObject data)
                  throws InvalidMethodException,
                         MethodException

This method is required to implement the Handler interface. It is called when the callbacks this object subscribes to are triggered.

Specified by:

handle in interface Handler

Parameters:

callback - Name of the callback to handle

data - DataObject containing the callback event data

Throws:

InvalidMethodException - if the callback specified isn't recognized

MethodException - if the callback specified can't be handled successfully

See Also:

Handler

main

public static void main(java.lang.String[] argv)

Main method that creates an instance of TourApp