AbstractContextBasedEventHandler

java.lang.Object

com.itextpdf.commons.actions.AbstractContextBasedEventHandler

All Implemented Interfaces:: IEventHandler

Direct Known Subclasses:: ProductEventHandler

public abstract class AbstractContextBasedEventHandler extends Object implements IEventHandler

Base class for events handling depending on the context.

Field Summary

Fields

Modifier and Type

Field

Description

private final IContext

defaultContext
Constructor Summary

Constructors

Modifier

Constructor

Description

protected

AbstractContextBasedEventHandler(IContext onUnknownContext)

Creates a new instance of the handler with the defined fallback for events within unknown contexts.
Method Summary

Modifier and Type

Method

Description

protected abstract void

onAcceptedEvent(AbstractContextBasedITextEvent event)

Handles the accepted event.

final void

onEvent(IEvent event)

Performs context validation and if event is allowed to be processed passes it to onAcceptedEvent(AbstractContextBasedITextEvent).

Methods inherited from class Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details
- defaultContext
  
  private final IContext defaultContext
Constructor Details
- AbstractContextBasedEventHandler
  
  protected AbstractContextBasedEventHandler(IContext onUnknownContext)
  
  Creates a new instance of the handler with the defined fallback for events within unknown contexts.
  
  Parameters:
  
  onUnknownContext - is a fallback for events within unknown context
Method Details
- onEvent
  
  public final void onEvent(IEvent event)
  
  Performs context validation and if event is allowed to be processed passes it to onAcceptedEvent(AbstractContextBasedITextEvent).
  
  Specified by:
  
  onEvent in interface IEventHandler
  
  Parameters:
  
  event - to handle
- onAcceptedEvent
  
  protected abstract void onAcceptedEvent(AbstractContextBasedITextEvent event)
  
  Handles the accepted event.
  
  Parameters:
  
  event - to handle