Package com.itextpdf.kernel.pdf
Class PdfNull
- java.lang.Object
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- com.itextpdf.kernel.pdf.PdfObject
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- com.itextpdf.kernel.pdf.PdfPrimitiveObject
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- com.itextpdf.kernel.pdf.PdfNull
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public class PdfNull extends PdfPrimitiveObject
Representation of the null object in the PDF specification.
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Field Summary
Fields Modifier and Type Field Description private static byte[]
NullContent
static PdfNull
PDF_NULL
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Fields inherited from class com.itextpdf.kernel.pdf.PdfPrimitiveObject
content, directOnly
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Fields inherited from class com.itextpdf.kernel.pdf.PdfObject
ARRAY, BOOLEAN, DICTIONARY, FLUSHED, FORBID_RELEASE, FREE, INDIRECT_REFERENCE, indirectReference, LITERAL, MODIFIED, MUST_BE_FLUSHED, MUST_BE_INDIRECT, NAME, NULL, NUMBER, ORIGINAL_OBJECT_STREAM, READ_ONLY, READING, STREAM, STRING, UNENCRYPTED
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected void
copyContent(PdfObject from, PdfDocument document, ICopyFilter copyFilter)
Copies object content from object 'from'.boolean
equals(java.lang.Object obj)
protected void
generateContent()
byte
getType()
Gets object type.int
hashCode()
protected PdfObject
newInstance()
Creates new instance of object.java.lang.String
toString()
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Methods inherited from class com.itextpdf.kernel.pdf.PdfPrimitiveObject
compareContent, getInternalContent, hasContent, makeIndirect, setIndirectReference
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Methods inherited from class com.itextpdf.kernel.pdf.PdfObject
checkState, clearState, clone, clone, copyContent, copyTo, copyTo, copyTo, copyTo, equalContent, flush, flush, getIndirectReference, isArray, isBoolean, isDictionary, isFlushed, isIndirect, isIndirectReference, isLiteral, isModified, isName, isNull, isNumber, isReleaseForbidden, isStream, isString, makeIndirect, processCopying, processCopying, release, setModified, setState
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Field Detail
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PDF_NULL
public static final PdfNull PDF_NULL
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NullContent
private static final byte[] NullContent
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Method Detail
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getType
public byte getType()
Description copied from class:PdfObject
Gets object type.
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toString
public java.lang.String toString()
- Overrides:
toString
in classjava.lang.Object
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generateContent
protected void generateContent()
- Specified by:
generateContent
in classPdfPrimitiveObject
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newInstance
protected PdfObject newInstance()
Description copied from class:PdfObject
Creates new instance of object.- Specified by:
newInstance
in classPdfObject
- Returns:
- new instance of object.
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copyContent
protected void copyContent(PdfObject from, PdfDocument document, ICopyFilter copyFilter)
Description copied from class:PdfObject
Copies object content from object 'from'.- Overrides:
copyContent
in classPdfPrimitiveObject
- Parameters:
from
- object to copy content from.document
- document to copy object to.copyFilter
-ICopyFilter
a filter that will apply on dictionaries and array UseNullCopyFilter
for no filtering
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equals
public boolean equals(java.lang.Object obj)
- Overrides:
equals
in classjava.lang.Object
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hashCode
public int hashCode()
- Overrides:
hashCode
in classjava.lang.Object
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