com.itextpdf.text.pdf.parser

Class PdfReaderContentParser

java.lang.Object

com.itextpdf.text.pdf.parser.PdfReaderContentParser

public class PdfReaderContentParser
extends Object

A utility class that makes it cleaner to process content from pages of a PdfReader through a specified RenderListener.

Since:

5.0.2

Constructor Summary

Constructors

Constructor and Description
PdfReaderContentParser(PdfReader reader)

Method Summary

Modifier and Type	Method and Description
<E extends RenderListener> E	processContent(int pageNumber, E renderListener) Processes content from the specified page number using the specified listener
<E extends RenderListener> E	processContent(int pageNumber, E renderListener, Map<String,ContentOperator> additionalContentOperators) Processes content from the specified page number using the specified listener.

Methods inherited from class java.lang.Object

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

Constructor Detail

PdfReaderContentParser

public PdfReaderContentParser(PdfReader reader)

Method Detail

processContent

public <E extends RenderListener> E processContent(int pageNumber,
                                                   E renderListener,
                                                   Map<String,ContentOperator> additionalContentOperators)
                                            throws IOException

Processes content from the specified page number using the specified listener. Also allows registration of custom ContentOperators

Type Parameters:

E - the type of the renderListener - this makes it easy to chain calls

Parameters:

pageNumber - the page number to process

renderListener - the listener that will receive render callbacks

additionalContentOperators - an optional map of custom ContentOperators for rendering instructions

Returns:

the provided renderListener

Throws:

IOException - if operations on the reader fail

processContent

public <E extends RenderListener> E processContent(int pageNumber,
                                                   E renderListener)
                                            throws IOException

Processes content from the specified page number using the specified listener

Type Parameters:

E - the type of the renderListener - this makes it easy to chain calls

Parameters:

pageNumber - the page number to process

renderListener - the listener that will receive render callbacks

Returns:

the provided renderListener

Throws:

IOException - if operations on the reader fail