org.universAAL.middleware.ui

Class UIHandler

java.lang.Object

org.universAAL.middleware.bus.member.BusMember

org.universAAL.middleware.bus.member.Callee

org.universAAL.middleware.ui.UIHandler

public abstract class UIHandler
extends Callee

Provides the interface to be implemented by UIHandlers together with shared code. Only instances of this class can handle UIRequests. The convention of the IUIBus regarding the registration parameters is the following:

• UIHandlers provide only at the registration time info about themselves

Author:

mtazari, eandgrg

Field Summary

Fields inherited from class org.universAAL.middleware.bus.member.BusMember

busResourceURI, owner, theBus

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	UIHandler(ModuleContext context, UIHandlerProfile initialSubscription) Instantiates a new UIHandler.
protected	UIHandler(ModuleContext context, UIHandlerProfile[] initialSubscriptions) Instantiates a new UIHandler.

Method Summary

Methods

Modifier and Type	Method and Description
abstract void	adaptationParametersChanged(String dialogID, String changedProp, Object newVal) Adaptation parameters changed.
void	addNewRegParams(UIHandlerProfile newSubscription) Adds the new UIHandler registration parameters.
void	busDyingOut(AbstractBus b) This method is called when the bus is stopped to announce this to the bus members.
abstract void	communicationChannelBroken() Method to be called when the communication of the UIHandler with the IDialogManager is lost.
abstract Resource	cutDialog(String dialogID) Cut dialog.
void	dialogFinished(UIResponse uiResponse) Dialog finished.
String	getMyID() Id with which the UIHandler is registered in the IUIBus
List<UIHandlerProfile>	getRealizedHandlerProfiles()
void	handleRequest(org.universAAL.middleware.bus.msg.BusMessage msg) Handle request.
abstract void	handleUICall(UIRequest uiRequest) Handle ui call (UIRequest).
protected void	removeMatchingRegParams(UIHandlerProfile oldSubscription) Removes the matching registration parameters.
void	userLoggedIn(Resource user, AbsLocation loginLocation) User logged in.

Methods inherited from class org.universAAL.middleware.bus.member.BusMember

close, getComment, getLabel, getType, getURI, setComment, setLabel

Methods inherited from class java.lang.Object

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

Constructor Detail

UIHandler

protected UIHandler(ModuleContext context,
         UIHandlerProfile initialSubscription)

Instantiates a new UIHandler.

Parameters:

context - the context

initialSubscription - the initial subscription

Throws:

NullPointerException - if initialSubscription is null or one of the elements of that array is null

UIHandler

protected UIHandler(ModuleContext context,
         UIHandlerProfile[] initialSubscriptions)

Instantiates a new UIHandler.

Parameters:

context - the context

initialSubscription - the initial subscription

Throws:

NullPointerException - if initialSubscriptions is null or one of the elements of that array is null

Method Detail

adaptationParametersChanged

public abstract void adaptationParametersChanged(String dialogID,
                               String changedProp,
                               Object newVal)

Adaptation parameters changed. The Dialog must be redrawn according to the new value of the changedProp.

Parameters:

dialogID - the dialog id

changedProp - the changed prop

newVal - the new val

addNewRegParams

public final void addNewRegParams(UIHandlerProfile newSubscription)

Adds the new UIHandler registration parameters.

Parameters:

newSubscription - the new subscription - as a UIHandlerProfile

Throws:

NullPointerException - if newSubscription is null

busDyingOut

public final void busDyingOut(AbstractBus b)

Description copied from class: BusMember

This method is called when the bus is stopped to announce this to the bus members.

Specified by:

busDyingOut in class BusMember

Parameters:

b - bus on which this member has been registered

See Also:

BusMember.busDyingOut(AbstractBus)

communicationChannelBroken

public abstract void communicationChannelBroken()

Method to be called when the communication of the UIHandler with the IDialogManager is lost. All dialogs must be de-renderized (handlers may whant to inform the user about why de dialogs are being de-renderized). The bus will automatically resend all HandlerProfiles.

cutDialog

public abstract Resource cutDialog(String dialogID)

Cut dialog. The DM is requesting an IMEDIATE de-renderization of the dialog with given dialogID.

Parameters:

dialogID - the dialog id

Returns:

the resource data form the Form filled by the user up to the moment this call is performed.

dialogFinished

public final void dialogFinished(UIResponse uiResponse)

Dialog finished. UIHandler reporting the user has submitted a Submit or a SubdialogTrigger.

Parameters:

uiResponse - the UIResponse

handleRequest

public final void handleRequest(org.universAAL.middleware.bus.msg.BusMessage msg)

Handle request.

Parameters:

msg - the message

handleUICall

public abstract void handleUICall(UIRequest uiRequest)

Handle ui call (UIRequest). The bus is soliciting a Render/display of the UIRequest.

Parameters:

uiRequest - the UIRequest

removeMatchingRegParams

protected final void removeMatchingRegParams(UIHandlerProfile oldSubscription)

Removes the matching registration parameters.

Parameters:

oldSubscription - the old subscription

userLoggedIn

public final void userLoggedIn(Resource user,
                AbsLocation loginLocation)

User logged in.

Parameters:

user - the User, It is declared as Resource because the type User is defined in the Profiling Ontology. The type is not needed for for matchmaking Either.

loginLocation - the login location

getRealizedHandlerProfiles

public List<UIHandlerProfile> getRealizedHandlerProfiles()

Returns:

realized UIHandlerProfiles

getMyID

public String getMyID()

Id with which the UIHandler is registered in the IUIBus

Returns:

UIHandler ID