de.intarsys.pdf.st

Class STXRefEntryFree

java.lang.Object

de.intarsys.pdf.st.STXRefEntry

de.intarsys.pdf.st.STXRefEntryFree

All Implemented Interfaces:

Comparable

public class STXRefEntryFree
extends STXRefEntry

Represents a free object entry in a pdf xref table.

Constructor Summary

Constructors

Constructor and Description
STXRefEntryFree(int objectNumber, int generationNumber, int nextFreeObject)

Method Summary

Methods

Modifier and Type	Method and Description
void	accept(de.intarsys.pdf.st.IXRefEntryVisitor visitor)
STXRefEntry	copy()
void	enqueue(STXRefEntryFree entry) Add a new free entry in the linked list of free entries.
STXRefEntryOccupied	fill(int pos)
long	getColumn1()
int	getColumn2()
int	getNextFreeObjectNumber()
boolean	isFree()
COSObject	load(STDocument doc, ISystemSecurityHandler securityHandler)

Methods inherited from class de.intarsys.pdf.st.STXRefEntry

compareTo, getGenerationNumber, getObjectNumber, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

STXRefEntryFree

public STXRefEntryFree(int objectNumber,
               int generationNumber,
               int nextFreeObject)

Method Detail

accept

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

Specified by:

accept in class STXRefEntry

Throws:

XRefEntryVisitorException

copy

public STXRefEntry copy()

Specified by:

copy in class STXRefEntry

enqueue

public void enqueue(STXRefEntryFree entry)

Add a new free entry in the linked list of free entries. The linked list is formed by the head entry with index 0. This entry and all subsequent hold a reference to their successor and predecessor. Adding a new entry means that we look up the entry in the linked list, starting at the head, that has the highest index smaller than the index of the new entry. The new entry is inserted after that position in the linked list.

Parameters:

entry - The new entry to insert in the linked list.

fill

public STXRefEntryOccupied fill(int pos)

Specified by:

fill in class STXRefEntry

getColumn1

public long getColumn1()

Specified by:

getColumn1 in class STXRefEntry

getColumn2

public int getColumn2()

Specified by:

getColumn2 in class STXRefEntry

getNextFreeObjectNumber

public int getNextFreeObjectNumber()

isFree

public boolean isFree()

Specified by:

isFree in class STXRefEntry

load

public COSObject load(STDocument doc,
             ISystemSecurityHandler securityHandler)

Specified by:

load in class STXRefEntry