com.itextpdf.text.pdf
Class PdfNull

java.lang.Object
  extended by com.itextpdf.text.pdf.PdfObject
      extended by 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


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