Package org.apache.pdfbox.cos

Class COSObject

java.lang.Object

org.apache.pdfbox.cos.COSBase

org.apache.pdfbox.cos.COSObject

All Implemented Interfaces:

COSUpdateInfo, COSObjectable

public class COSObject
extends COSBase
implements COSUpdateInfo

This class represents a PDF object.

Field Summary

Fields

Modifier and Type	Field	Description
private COSBase	baseObject
private boolean	isDereferenced
private static org.apache.commons.logging.Log	LOG
private ICOSParser	parser
private COSUpdateState	updateState

Constructor Summary

Constructors

Constructor	Description
COSObject(COSBase object)	Constructor.
COSObject(COSBase object, COSObjectKey objectKey)	Constructor.
COSObject(COSBase object, ICOSParser parser)	Constructor.
COSObject(COSObjectKey key, ICOSParser parser)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	accept(ICOSVisitor visitor)	visitor pattern double dispatch method.
int	getGenerationNumber()	Deprecated. will be removed in 4.0.0
COSBase	getObject()	This will get the object that this object encapsulates.
long	getObjectNumber()	Deprecated. will be removed in 4.0.0
COSUpdateState	getUpdateState()	Returns the current COSUpdateState of this COSObject.
boolean	isDereferenced()	Returns true, if the hereby referenced COSBase has already been parsed and loaded.
boolean	isObjectNull()	Indicates if the referenced object is present or not.
void	setToNull()	Sets the referenced object to COSNull and removes the initially assigned parser.
java.lang.String	toString()

Methods inherited from class org.apache.pdfbox.cos.COSBase

getCOSObject, getKey, isDirect, setDirect, setKey

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.pdfbox.pdmodel.common.COSObjectable

getCOSObject

Methods inherited from interface org.apache.pdfbox.cos.COSUpdateInfo

isNeedToBeUpdated, setNeedToBeUpdated, toIncrement

Field Detail

baseObject

private COSBase baseObject

parser

private ICOSParser parser

isDereferenced

private boolean isDereferenced

updateState

private final COSUpdateState updateState

LOG

private static final org.apache.commons.logging.Log LOG

Constructor Detail

COSObject

public COSObject(COSBase object)

Constructor.

Parameters:

object - The object that this encapsulates.

COSObject

public COSObject(COSBase object,
                 COSObjectKey objectKey)

Constructor.

Parameters:

object - The object that this encapsulates.

objectKey - The COSObjectKey of the encapsulated object

COSObject

public COSObject(COSBase object,
                 ICOSParser parser)

Constructor.

Parameters:

object - The object that this encapsulates.

parser - The parser to be used to load the object on demand

COSObject

public COSObject(COSObjectKey key,
                 ICOSParser parser)

Constructor.

Parameters:

key - The object number of the encapsulated object.

parser - The parser to be used to load the object on demand

Method Detail

isObjectNull

public boolean isObjectNull()

Indicates if the referenced object is present or not.

Returns:

true if the indirect object is dereferenced

getObject

public COSBase getObject()

This will get the object that this object encapsulates.

Returns:

The encapsulated object.

setToNull

public final void setToNull()

Sets the referenced object to COSNull and removes the initially assigned parser.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getObjectNumber

@Deprecated
public long getObjectNumber()

Deprecated.

will be removed in 4.0.0

Getter for property objectNumber.

Returns:

Value of property objectNumber.

getGenerationNumber

@Deprecated
public int getGenerationNumber()

Deprecated.

will be removed in 4.0.0

Getter for property generationNumber.

Returns:

Value of property generationNumber.

accept

public void accept(ICOSVisitor visitor)
            throws java.io.IOException

visitor pattern double dispatch method.

Specified by:

accept in class COSBase

Parameters:

visitor - The object to notify when visiting this object.

Throws:

java.io.IOException - If an error occurs while visiting this object.

isDereferenced

public boolean isDereferenced()

Returns true, if the hereby referenced COSBase has already been parsed and loaded.

Returns:

true, if the hereby referenced COSBase has already been parsed and loaded.

getUpdateState

public COSUpdateState getUpdateState()

Returns the current COSUpdateState of this COSObject.

Specified by:

getUpdateState in interface COSUpdateInfo

Returns:

The current COSUpdateState of this COSObject.

See Also:

COSUpdateState