com.itextpdf.text.pdf
Class PdfNull

java.lang.Object
  com.itextpdf.text.pdf.PdfObject
      com.itextpdf.text.pdf.PdfNull

public class PdfNull
extends PdfObject

PdfNull is the Null object represented by the keyword null.

This object is described in the 'Portable Document Format Reference Manual version 1.7' section 3.2.8 (page 63).

See Also:

PdfObject

Field Summary

static PdfNull

PDFNULL An instance of the PdfNull-object.

Fields inherited from class com.itextpdf.text.pdf.PdfObject

ARRAY, BOOLEAN, bytes, DICTIONARY, INDIRECT, indRef, NAME, NOTHING, NULL, NUMBER, STREAM, STRING, TEXT_PDFDOCENCODING, TEXT_UNICODE, type

Constructor Summary

PdfNull()
Constructs a PdfNull-object.

Method Summary

String

toString() Returns the String-representation of this PdfObject.

Methods inherited from class com.itextpdf.text.pdf.PdfObject

canBeInObjStm, getBytes, getIndRef, isArray, isBoolean, isDictionary, isIndirect, isName, isNull, isNumber, isStream, isString, length, setContent, setIndRef, toPdf, type

Methods inherited from class java.lang.Object

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

Field Detail

PDFNULL

public static final PdfNull PDFNULL

An instance of the PdfNull-object.

Constructor Detail

PdfNull

public PdfNull()

Constructs a PdfNull-object.

You never need to do this yourself, you can always use the static final object PDFNULL.

Method Detail

toString

public String toString()

Description copied from class: PdfObject

Returns the String-representation of this PdfObject.

Overrides:

toString in class PdfObject

Returns:

a String