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 |
PDFNULL
public static final PdfNull PDFNULL
- An instance of the
PdfNull
-object.
PdfNull
public PdfNull()
- Constructs a
PdfNull
-object.
You never need to do this yourself, you can always use the static final object PDFNULL.
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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