Package eu.europa.esig.dss.pdf.modifications

Class PdfObjectTree

java.lang.Object

eu.europa.esig.dss.pdf.modifications.PdfObjectTree

public class PdfObjectTree
extends Object

Represents a PDF object chain from a root to the current object

Constructor Summary

Constructors

Constructor	Description
PdfObjectTree()	Constructor without starting key
PdfObjectTree(String key)	Default constructor

Method Summary

Modifier and Type	Method	Description
void	addKey(String key)	Adds a key
void	addReference(Number objectNumber)	Adds a numeric reference number
PdfObjectTree	copy()	Creates a copy of the object (changes within a copy will not affect the original object)
boolean	equals(Object o)
int	getChainDeepness()	Returns the deepness of the current objects chain
List<String>	getKeyChain()	Gets a complete key chain
String	getLastKey()	Returns a last key
int	hashCode()
boolean	isProcessedReference(Number objectNumber)	Checks whether a reference to the given object by number has been already processed in this tree
void	setStream()	This method allows to specify that a stream have been processed
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

PdfObjectTree

public PdfObjectTree()

Constructor without starting key

PdfObjectTree

public PdfObjectTree(String key)

Default constructor

Parameters:

key - String root key

Method Details

copy

public PdfObjectTree copy()

Creates a copy of the object (changes within a copy will not affect the original object)

Returns:

PdfObjectTree copy

addKey

public void addKey(String key)

Adds a key

Parameters:

key - String

addReference

public void addReference(Number objectNumber)

Adds a numeric reference number

Parameters:

objectNumber - Number

setStream

public void setStream()

This method allows to specify that a stream have been processed

getKeyChain

public List<String> getKeyChain()

Gets a complete key chain

Returns:

a list of Strings

getChainDeepness

public int getChainDeepness()

Returns the deepness of the current objects chain

Returns:

chain deepness

getLastKey

public String getLastKey()

Returns a last key

Returns:

String

isProcessedReference

public boolean isProcessedReference(Number objectNumber)

Checks whether a reference to the given object by number has been already processed in this tree

Parameters:

objectNumber - Number reference number to an object

Returns:

TRUE if the reference has been already processed, FALSE otherwise

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object