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 java.lang.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 java.util.Set<java.lang.String> types

Constructor Summary

Constructors
Modifier Constructor Description

protected AbstractPdfDocumentEventHandler()
Creates new AbstractPdfDocumentEventHandler instance.

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`AbstractPdfDocumentEventHandler`	`addType(java.lang.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 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - types
```
private final java.util.Set<java.lang.String> types
```
- Constructor Detail
  - 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 Detail
  - addType
```
public AbstractPdfDocumentEventHandler addType(java.lang.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