gnu.apdf

Class PDFXref

java.lang.Object

gnu.apdf.PDFXref

public class PDFXref
extends Object

This class is used to hold the xref information in the PDF Trailer block.

Basically, each object has an id, and an offset in the end file.

See the Adobe PDF Manual for more information. This class will normally not be used directly by a developer

Author:

Peter T. Mount, Eric Z. Beard, ericzbeard@hotmail.com

Field Summary

Fields

Modifier and Type	Field and Description
int	generation The generation of the object, usually 0
int	id The id of a PDF Object
int	offset The offset within the PDF file

Constructor Summary

Constructors

Constructor and Description
PDFXref(int id, int offset) Creates a crossreference for a PDF Object
PDFXref(int id, int offset, int generation) Creates a crossreference for a PDF Object

Method Summary

Modifier and Type	Method and Description
String	toString()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

id

public int id

The id of a PDF Object

offset

public int offset

The offset within the PDF file

generation

public int generation

The generation of the object, usually 0

Constructor Detail

PDFXref

public PDFXref(int id,
               int offset)

Creates a crossreference for a PDF Object

Parameters:

id - The object's ID

offset - The object's position in the file

PDFXref

public PDFXref(int id,
               int offset,
               int generation)

Creates a crossreference for a PDF Object

Parameters:

id - The object's ID

offset - The object's position in the file

generation - The object's generation, usually 0

Method Detail

toString

public String toString()

Overrides:

toString in class Object

Returns:

The xref in the format of the xref section in the PDF file