com.etymon.pj.object
Class PjReference

java.lang.Object
  com.etymon.pj.object.BaseObject
      com.etymon.pj.object.PjObject
          com.etymon.pj.object.PjReference

All Implemented Interfaces:

java.lang.Cloneable

public class PjReference
extends PjObject

A representation of the PDF reference type.

Field Summary

private PjNumber	_gen
private PjNumber	_obj

Constructor Summary

PjReference(PjNumber obj)
Creates a PDF reference object.

PjReference(PjNumber obj, PjNumber gen)
Creates a PDF reference object.

Method Summary

java.lang.Object	clone() Returns a deep copy of this object.
boolean	equals(java.lang.Object obj) Compares two PjReference objects for equality.
PjNumber	getGenNumber() Returns the generation number referenced by this PDF reference.
PjNumber	getObjNumber() Returns the object number referenced by this PDF reference.
int	hashCode() Returns a hash code value for the object.
long	writePdf(java.io.OutputStream os) Writes this PDF reference object to a stream in PDF format.

Methods inherited from class com.etymon.pj.object.PjObject

renumber

Methods inherited from class com.etymon.pj.object.BaseObject

toString, write, write, write, writeln

Methods inherited from class java.lang.Object

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

Field Detail

_obj

private PjNumber _obj

_gen

private PjNumber _gen

Constructor Detail

PjReference

public PjReference(PjNumber obj)

Creates a PDF reference object.

Parameters:

obj - the object number for the new reference.

PjReference

public PjReference(PjNumber obj,
                   PjNumber gen)

Creates a PDF reference object.

Parameters:

obj - the object number for the new reference.

gen - the generation number for the new reference.

Method Detail

getObjNumber

public PjNumber getObjNumber()

Returns the object number referenced by this PDF reference.

Returns:

the object number within this PDF reference.

getGenNumber

public PjNumber getGenNumber()

Returns the generation number referenced by this PDF reference.

Returns:

the generation number within this PDF reference.

writePdf

public long writePdf(java.io.OutputStream os)
              throws java.io.IOException

Writes this PDF reference object to a stream in PDF format.

Specified by:

writePdf in class BaseObject

Parameters:

os - the stream to write to.

Returns:

the number of bytes written.

Throws:

java.io.IOException - if an I/O error occurs.

clone

public java.lang.Object clone()

Returns a deep copy of this object.

Specified by:

clone in class BaseObject

Returns:

a deep copy of this object.

equals

public boolean equals(java.lang.Object obj)

Compares two PjReference objects for equality.

Overrides:

equals in class java.lang.Object

Parameters:

obj - the reference object to compare to.

Returns:

true if this object is the same as obj, false otherwise.

hashCode

public int hashCode()

Returns a hash code value for the object.

Overrides:

hashCode in class java.lang.Object

Returns:

a hashcode value for this object.