com.itextpdf.text.pdf

Class PdfNull

java.lang.Object

com.itextpdf.text.pdf.PdfObject

com.itextpdf.text.pdf.PdfNull

All Implemented Interfaces:

Serializable

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, Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
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

Constructors

Constructor and Description
PdfNull() Constructs a PdfNull-object.

Method Summary

Modifier and Type	Method and Description
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