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java.lang.Objectcom.lowagie.text.pdf.PdfObject
com.lowagie.text.pdf.PdfNull
public class PdfNull
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).
PdfObject
Field Summary | |
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private static java.lang.String |
CONTENT
This is the content of a PdfNull -object. |
static PdfNull |
PDFNULL
This is an instance of the PdfNull -object. |
Fields inherited from class com.lowagie.text.pdf.PdfObject |
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ARRAY, BOOLEAN, bytes, DICTIONARY, INDIRECT, indRef, NAME, NOTHING, NULL, NUMBER, STREAM, STRING, TEXT_PDFDOCENCODING, TEXT_UNICODE, type |
Constructor Summary | |
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PdfNull()
Constructs a PdfNull -object. |
Method Summary | |
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java.lang.String |
toString()
Returns the String -representation of this PdfObject . |
Methods inherited from class com.lowagie.text.pdf.PdfObject |
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canBeInObjStm, getBytes, getIndRef, isArray, isBoolean, isDictionary, isIndirect, isName, isNull, isNumber, isStream, isString, length, setContent, setIndRef, toPdf, type |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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public static final PdfNull PDFNULL
PdfNull
-object.
private static final java.lang.String CONTENT
PdfNull
-object.
Constructor Detail |
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public PdfNull()
PdfNull
-object.
You never need to do this yourself, you can always use the static final object PDFNULL.
Method Detail |
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public java.lang.String toString()
PdfObject
String
-representation of this PdfObject
.
toString
in class PdfObject
String
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