org.araneaframework.core
Class BaseWidget

java.lang.Object
  org.araneaframework.core.BaseComponent
      org.araneaframework.core.BaseService
          org.araneaframework.core.BaseWidget

All Implemented Interfaces:

Component, Serializable, Service, Widget

Direct Known Subclasses:

BaseApplicationWidget, BaseFilterWidget, StandardServiceAdapterWidget

public abstract class BaseWidget

extends BaseService

implements Widget

Non-composite widget component.

Compared to BaseService has the following extra functionality:

• update(InputData) - update the state of the widget with the data in InputData
• event(Path, InputData) - handling a event
• render(OutputData) - rendering this Widget to OutputData

Author:

"Toomas Römer"

See Also:

Serialized Form

Nested Class Summary

protected class

BaseWidget.WidgetImpl

Nested classes inherited from class org.araneaframework.core.BaseService

BaseService.ServiceImpl

Nested classes inherited from class org.araneaframework.core.BaseComponent

BaseComponent.ComponentImpl

Nested classes inherited from class org.araneaframework.Widget

Widget.Interface

Field Summary

Fields inherited from class org.araneaframework.core.BaseService

currentInputData, currentOutputData

Constructor Summary

BaseWidget()

Method Summary

Widget.Interface	_getWidget() Returns a widget's internal implementation.
protected void	event(Path path, InputData input)
protected InputData	getInputData() Provides access to the current request data.
protected OutputData	getOutputData() Provides access to the current response data.
protected void	handleWidgetException(Exception e)
protected void	render(OutputData output)
protected void	update(InputData input)

Methods inherited from class org.araneaframework.core.BaseService

_getService, action, handleServiceException

Methods inherited from class org.araneaframework.core.BaseComponent

_addComponent, _addComponent, _checkCall, _disableComponent, _enableComponent, _endCall, _endWaitingCall, _getChildren, _getComponent, _getDisabledChildren, _propagate, _relocateComponent, _removeComponent, _setEnvironment, _setScope, _startCall, _startWaitingCall, _strictCheckCall, _strictStartCall, _waitNoCall, destroy, disable, enable, getEnvironment, getScope, handleException, init, isAlive, isDead, isInitialized, propagate

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.araneaframework.Service

_getService

Methods inherited from interface org.araneaframework.Component

_getComponent, getEnvironment, getScope, isAlive

Constructor Detail

BaseWidget

public BaseWidget()

Method Detail

_getWidget

public Widget.Interface _getWidget()

Returns a widget's internal implementation.

Specified by:

_getWidget in interface Widget

Returns:

the widget's implementation

handleWidgetException

protected void handleWidgetException(Exception e)
                              throws Exception

Throws:

Exception

update

protected void update(InputData input)
               throws Exception

Throws:

Exception

event

protected void event(Path path,
                     InputData input)
              throws Exception

Throws:

Exception

render

protected void render(OutputData output)
               throws Exception

Throws:

Exception

getInputData

protected InputData getInputData()

Description copied from class: BaseService

Provides access to the current request data.

Overrides:

getInputData in class BaseService

Returns:

The current request data.

getOutputData

protected OutputData getOutputData()

Description copied from class: BaseService

Provides access to the current response data.

Overrides:

getOutputData in class BaseService

Returns:

The current response data.