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.

Author:

Ben Litchfield

Constructor Summary

Constructors

Constructor and 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 and Description
Object	accept(ICOSVisitor visitor) visitor pattern double dispatch method.
int	getGenerationNumber() Getter for property generationNumber.
COSBase	getObject() This will get the object that this object encapsulates.
long	getObjectNumber() Getter for property objectNumber.
boolean	isNeedToBeUpdated() Get the update state for the COSWriter.
boolean	isObjectNull() Indicates if the referenced object is present or not.
void	setNeedToBeUpdated(boolean flag) Set the update state of the dictionary for the COSWriter.
void	setToNull() Sets the referenced object to COSNull and removes the initially assigned parser.
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

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 String toString()

Overrides:

toString in class Object

getObjectNumber

public long getObjectNumber()

Getter for property objectNumber.

Returns:

Value of property objectNumber.

getGenerationNumber

public int getGenerationNumber()

Getter for property generationNumber.

Returns:

Value of property generationNumber.

accept

public Object accept(ICOSVisitor visitor)
              throws IOException

visitor pattern double dispatch method.

Specified by:

accept in class COSBase

Parameters:

visitor - The object to notify when visiting this object.

Returns:

any object, depending on the visitor implementation, or null

Throws:

IOException - If an error occurs while visiting this object.

isNeedToBeUpdated

public boolean isNeedToBeUpdated()

Get the update state for the COSWriter.

Specified by:

isNeedToBeUpdated in interface COSUpdateInfo

Returns:

the update state.

setNeedToBeUpdated

public void setNeedToBeUpdated(boolean flag)

Set the update state of the dictionary for the COSWriter.

Specified by:

setNeedToBeUpdated in interface COSUpdateInfo

Parameters:

flag - the update state.