Module org.sejda.sambox

Package org.sejda.sambox.cos

Class COSNull

java.lang.Object

org.sejda.sambox.cos.COSBase

org.sejda.sambox.cos.COSNull

All Implemented Interfaces:

COSObjectable

public final class COSNull
extends COSBase

This class represents a null PDF object.

Author:

Ben Litchfield

Field Summary

Fields

Modifier and Type	Field	Description
static final COSNull	NULL	The one null object in the system.

Method Summary

Modifier and Type	Method	Description
void	accept(COSVisitor visitor)	Visitor pattern for the COS model objects
void	idIfAbsent(IndirectCOSObjectIdentifier id)	Assign an id to this COSBase if it doesn't have one already.
String	toString()

Methods inherited from class org.sejda.sambox.cos.COSBase

getCOSObject, hasId, id

Methods inherited from class java.lang.Object

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

Field Details

NULL

public static final COSNull NULL

The one null object in the system.

Method Details

accept

public void accept(COSVisitor visitor)
            throws IOException

Description copied from class: COSBase

Visitor pattern for the COS model objects

Specified by:

accept in class COSBase

Throws:

IOException

toString

public String toString()

Overrides:

toString in class Object

idIfAbsent

public void idIfAbsent(IndirectCOSObjectIdentifier id)

Description copied from class: COSBase

Assign an id to this COSBase if it doesn't have one already.

Overrides:

idIfAbsent in class COSBase