Class AbstractPdfDocumentEventHandler

java.lang.Object

com.itextpdf.kernel.pdf.event.AbstractPdfDocumentEventHandler

All Implemented Interfaces:

IEventHandler

Direct Known Subclasses:

SignatureMacIntegrityProtector.SignatureMacContainerEmbedder, SignatureMacIntegrityProtector.SignatureMacPdfObjectAdder, StandaloneMacIntegrityProtector.StandaloneMacContainerEmbedder, StandaloneMacIntegrityProtector.StandaloneMacPdfObjectAdder

public abstract class AbstractPdfDocumentEventHandler
extends Object
implements IEventHandler

Base class for PDF document events handling based on the event type.

Handles AbstractPdfDocumentEvent event fired by PdfDocument.dispatchEvent(AbstractPdfDocumentEvent). Use PdfDocument.addEventHandler(String, AbstractPdfDocumentEventHandler) to register this handler for specific type of event.

Field Summary

Fields

Modifier and Type	Field	Description
private final Set<String>	types

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractPdfDocumentEventHandler()	Creates new AbstractPdfDocumentEventHandler instance.

Method Summary

Modifier and Type	Method	Description
AbstractPdfDocumentEventHandler	addType(String type)	Adds new event type to handle by this AbstractPdfDocumentEventHandler instance.
protected abstract void	onAcceptedEvent(AbstractPdfDocumentEvent event)	Handles the accepted event.
void	onEvent(IEvent event)	Handles the event.

Methods inherited from class Object

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

Field Details

types

private final Set<String> types

Constructor Details

AbstractPdfDocumentEventHandler

protected AbstractPdfDocumentEventHandler()

Creates new AbstractPdfDocumentEventHandler instance.

By default, this instance handles all types of the AbstractPdfDocumentEvent events. For specific types handling, use addType(String) method.

Method Details

addType

public AbstractPdfDocumentEventHandler addType(String type)

Adds new event type to handle by this AbstractPdfDocumentEventHandler instance.

Parameters:

type - the AbstractPdfDocumentEvent type to handle

Returns:

this AbstractPdfDocumentEventHandler instance

onEvent

public void onEvent(IEvent event)

Description copied from interface: IEventHandler

Handles the event.

Specified by:

onEvent in interface IEventHandler

Parameters:

event - to handle

onAcceptedEvent

protected abstract void onAcceptedEvent(AbstractPdfDocumentEvent event)

Handles the accepted event.

Parameters:

event - AbstractPdfDocumentEvent to handle