Package com.itextpdf.text.pdf
Class PdfIndirectReference
java.lang.Object
com.itextpdf.text.pdf.PdfObject
com.itextpdf.text.pdf.PdfIndirectReference
- All Implemented Interfaces:
Serializable
- Direct Known Subclasses:
PRIndirectReference
PdfIndirectReference
contains a reference to a PdfIndirectObject
.
Any object used as an element of an array or as a value in a dictionary may be specified
by either a direct object of an indirect reference. An indirect reference is a reference
to an indirect object, and consists of the indirect object's object number, generation number
and the R keyword.
This object is described in the 'Portable Document Format Reference Manual version 1.3'
section 4.11 (page 54).
- See Also:
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Field Summary
FieldsModifier and TypeFieldDescriptionprotected int
the generation numberprotected int
the object number -
Constructor Summary
ConstructorsModifierConstructorDescriptionprotected
protected
PdfIndirectReference
(int type, int number) Constructs aPdfIndirectReference
.(package private)
PdfIndirectReference
(int type, int number, int generation) Constructs aPdfIndirectReference
. -
Method Summary
Modifier and TypeMethodDescriptionint
Returns the generation of the object.int
Returns the number of the object.void
toPdf
(PdfWriter writer, OutputStream os) Writes the PDF representation of thisPdfObject
as an array ofbyte
s to the writer.toString()
Returns theString
-representation of thisPdfObject
.Methods inherited from class com.itextpdf.text.pdf.PdfObject
canBeInObjStm, getBytes, getIndRef, isArray, isBoolean, isDictionary, isIndirect, isName, isNull, isNumber, isStream, isString, length, setContent, setIndRef, type
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Field Details
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number
protected int numberthe object number -
generation
protected int generationthe generation number
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Constructor Details
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PdfIndirectReference
protected PdfIndirectReference() -
PdfIndirectReference
PdfIndirectReference(int type, int number, int generation) Constructs aPdfIndirectReference
.- Parameters:
type
- the type of thePdfObject
that is referenced tonumber
- the object number.generation
- the generation number.
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PdfIndirectReference
protected PdfIndirectReference(int type, int number) Constructs aPdfIndirectReference
.- Parameters:
type
- the type of thePdfObject
that is referenced tonumber
- the object number.
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Method Details
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getNumber
public int getNumber()Returns the number of the object.- Returns:
- a number.
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getGeneration
public int getGeneration()Returns the generation of the object.- Returns:
- a number.
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toString
Description copied from class:PdfObject
Returns theString
-representation of thisPdfObject
. -
toPdf
Description copied from class:PdfObject
Writes the PDF representation of thisPdfObject
as an array ofbyte
s to the writer.- Overrides:
toPdf
in classPdfObject
- Parameters:
writer
- for backwards compatibilityos
- TheOutputStream
to write the bytes to.- Throws:
IOException
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