com.etymon.pjx.util
Class PdfPageObjects

java.lang.Object
  com.etymon.pjx.util.PdfReferencedObjects
      com.etymon.pjx.util.PdfPageObjects

All Implemented Interfaces:

PdfObjectFilter

public class PdfPageObjects

extends PdfReferencedObjects

Examines a specified page dictionary and returns the set of all objects it references that are required for the page to be extracted from the document. This class is synchronized.

Constructor Summary

PdfPageObjects(PdfManager manager)
Constructs a PdfPageObjects instance.

Method Summary

java.util.Set	getReferenced(PdfObject obj) Returns the set of all objects referenced by the specified page object that are required for the page to be extracted from the document.
PdfObject	preFilter(PdfObject obj) This method is used by getReferenced(PdfObject) and should not be called externally.

Methods inherited from class com.etymon.pjx.util.PdfReferencedObjects

postFilter

Methods inherited from class java.lang.Object

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

Constructor Detail

PdfPageObjects

public PdfPageObjects(PdfManager manager)

Constructs a PdfPageObjects instance.

Parameters:

manager - the manager associated with the document.

Method Detail

getReferenced

public java.util.Set getReferenced(PdfObject obj)
                            throws java.io.IOException,
                                   PdfFormatException

Returns the set of all objects referenced by the specified page object that are required for the page to be extracted from the document.

Overrides:

getReferenced in class PdfReferencedObjects

Parameters:

obj - the object to examine.

Throws:

PdfFormatException

java.io.IOException

preFilter

public PdfObject preFilter(PdfObject obj)
                    throws PdfFormatException

This method is used by getReferenced(PdfObject) and should not be called externally. (It is not synchronized.)

Specified by:

preFilter in interface PdfObjectFilter

Overrides:

preFilter in class PdfReferencedObjects

Parameters:

obj - the object to filter.

Returns:

the filtered object.

Throws:

PdfFormatException