IEventListener

All Known Subinterfaces:: ILocationExtractionStrategy, ITextExtractionStrategy

All Known Implementing Classes:: FilteredEventListener, FilteredTextEventListener, GlyphEventListener, GlyphTextEventListener, LocationTextExtractionStrategy, RegexBasedLocationExtractionStrategy, SimpleTextExtractionStrategy, TaggedPdfReaderTool.MarkedContentEventListener, TextMarginFinder

public interface IEventListener

A callback interface that receives notifications from the PdfCanvasProcessor as various events occur (see EventType).

Method Summary

Modifier and Type

Method

Description

void

eventOccurred(IEventData data, EventType type)

Called when some event occurs during parsing a content stream.

Set<EventType>

getSupportedEvents()

Provides the set of event types this listener supports.

Method Details
- eventOccurred
  
  void eventOccurred(IEventData data, EventType type)
  
  Called when some event occurs during parsing a content stream.
  
  Parameters:
  
  data - Combines the data required for processing corresponding event type.
  
  type - Event type.
- getSupportedEvents
  
  Set<EventType> getSupportedEvents()
  
  Provides the set of event types this listener supports. Returns null if all possible event types are supported.
  
  Returns:
  
  Set of event types supported by this listener or null if all possible event types are supported.