com.itextpdf.kernel.pdf.canvas.parser.listener

Class SimpleTextExtractionStrategy

java.lang.Object

com.itextpdf.kernel.pdf.canvas.parser.listener.SimpleTextExtractionStrategy

All Implemented Interfaces:

IEventListener, ITextExtractionStrategy

public class SimpleTextExtractionStrategy
extends Object
implements ITextExtractionStrategy

Constructor Summary

Constructors

Constructor and Description
SimpleTextExtractionStrategy()

Method Summary

Modifier and Type	Method and Description
protected void	appendTextChunk(CharSequence text) Used to actually append text to the text results.
void	eventOccurred(IEventData data, EventType type) Called when some event occurs during parsing a content stream.
String	getResultantText() Returns the result so far.
Set<EventType>	getSupportedEvents() Provides the set of event types this listener supports.

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleTextExtractionStrategy

public SimpleTextExtractionStrategy()

Method Detail

eventOccurred

public void eventOccurred(IEventData data,
                          EventType type)

Description copied from interface: IEventListener

Called when some event occurs during parsing a content stream.

Specified by:

eventOccurred in interface IEventListener

Parameters:

data - Combines the data required for processing corresponding event type.

type - Event type.

getSupportedEvents

public Set<EventType> getSupportedEvents()

Description copied from interface: IEventListener

Provides the set of event types this listener supports. Returns null if all possible event types are supported.

Specified by:

getSupportedEvents in interface IEventListener

Returns:

Set of event types supported by this listener or null if all possible event types are supported.

getResultantText

public String getResultantText()

Returns the result so far.

Specified by:

getResultantText in interface ITextExtractionStrategy

Returns:

a String with the resulting text.

appendTextChunk

protected final void appendTextChunk(CharSequence text)

Used to actually append text to the text results. Subclasses can use this to insert text that wouldn't normally be included in text parsing (e.g. result of OCR performed against image content)

Parameters:

text - the text to append to the text results accumulated so far