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

public class PdfIndirectReference
extends PdfObject

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:

• PdfObject
• PdfIndirectObject
• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected int	generation	the generation number
protected int	number	the object number

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

Constructors

Modifier	Constructor	Description
protected	PdfIndirectReference()
protected	PdfIndirectReference(int type, int number)	Constructs a PdfIndirectReference.
(package private)	PdfIndirectReference(int type, int number, int generation)	Constructs a PdfIndirectReference.

Method Summary

Modifier and Type	Method	Description
int	getGeneration()	Returns the generation of the object.
int	getNumber()	Returns the number of the object.
void	toPdf(PdfWriter writer, OutputStream os)	Writes the PDF representation of this PdfObject as an array of bytes to the writer.
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, type

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

number

protected int number

the object number

generation

protected int generation

the generation number

Constructor Details

PdfIndirectReference

protected PdfIndirectReference()

PdfIndirectReference

PdfIndirectReference(int type,
 int number,
 int generation)

Constructs a PdfIndirectReference.

Parameters:

type - the type of the PdfObject that is referenced to

number - the object number.

generation - the generation number.

PdfIndirectReference

protected PdfIndirectReference(int type,
 int number)

Constructs a PdfIndirectReference.

Parameters:

type - the type of the PdfObject that is referenced to

number - the object number.

Method Details

getNumber

public int getNumber()

Returns the number of the object.

Returns:

a number.

getGeneration

public int getGeneration()

Returns the generation of the object.

Returns:

a number.

toString

public String toString()

Description copied from class: PdfObject

Returns the String-representation of this PdfObject.

Overrides:

toString in class PdfObject

Returns:

a String

toPdf

public void toPdf(PdfWriter writer,
 OutputStream os)
           throws IOException

Description copied from class: PdfObject

Writes the PDF representation of this PdfObject as an array of bytes to the writer.

Overrides:

toPdf in class PdfObject

Parameters:

writer - for backwards compatibility

os - The OutputStream to write the bytes to.

Throws:

IOException