de.intarsys.pdf.st

Class STXRefEntry

java.lang.Object

de.intarsys.pdf.st.STXRefEntry

All Implemented Interfaces:

Comparable

Direct Known Subclasses:

STXRefEntryCompressed, STXRefEntryFree, STXRefEntryOccupied

public abstract class STXRefEntry
extends Object
implements Comparable

Abstract superclass for a XRef entry.

The XRef entry describes an object slot in a XRef. The entry consists of an offset in the file, a generation number and a token indicating if this entry is free.

Method Summary

Methods

Modifier and Type	Method and Description
abstract void	accept(de.intarsys.pdf.st.IXRefEntryVisitor visitor)
int	compareTo(Object obj)
abstract STXRefEntry	copy()
abstract STXRefEntryOccupied	fill(int pos)
abstract long	getColumn1()
abstract int	getColumn2()
int	getGenerationNumber()
int	getObjectNumber()
abstract boolean	isFree()
abstract COSObject	load(STDocument doc, ISystemSecurityHandler securityHandler)
String	toString()

Methods inherited from class java.lang.Object

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

Method Detail

accept

public abstract void accept(de.intarsys.pdf.st.IXRefEntryVisitor visitor)
                     throws XRefEntryVisitorException

Throws:

XRefEntryVisitorException

compareTo

public int compareTo(Object obj)

Specified by:

compareTo in interface Comparable

copy

public abstract STXRefEntry copy()

fill

public abstract STXRefEntryOccupied fill(int pos)

getColumn1

public abstract long getColumn1()

getColumn2

public abstract int getColumn2()

getGenerationNumber

public int getGenerationNumber()

getObjectNumber

public int getObjectNumber()

isFree

public abstract boolean isFree()

load

public abstract COSObject load(STDocument doc,
             ISystemSecurityHandler securityHandler)
                        throws IOException,
                               COSLoadException

Throws:

IOException

COSLoadException

toString

public String toString()

Overrides:

toString in class Object