public class PdfRenumberOffset extends java.lang.Object implements PdfObjectFilter
PdfObjectFilter
is used to filter the indirect
references. This class is synchronized.Modifier and Type | Field and Description |
---|---|
protected int |
_offset
The offset value to add to each object number.
|
protected boolean |
_resetG
Controls whether generation numbers will be set to 0 during
the renumbering process.
|
Constructor and Description |
---|
PdfRenumberOffset()
Constructs a
PdfRenumberOffset instance. |
Modifier and Type | Method and Description |
---|---|
PdfObject |
postFilter(PdfObject obj)
This method is used by
renumber(PdfObject) to filter indirect references and
should not be called externally. |
PdfObject |
preFilter(PdfObject obj)
This method is used by
renumber(PdfObject) to filter indirect references and
should not be called externally. |
PdfObject |
renumber(PdfObject obj)
Adds an offset to the object number in each
PdfReference within the specified object. |
void |
resetGeneration(boolean reset)
Controls whether generation numbers will be set to 0 during
the renumbering process.
|
void |
setOffset(int offset)
Sets the offset value to add to each object number during
renumbering.
|
protected int _offset
protected boolean _resetG
true
.public PdfRenumberOffset()
PdfRenumberOffset
instance. By
default, generation numbers will not be modified (see
resetGeneration(boolean)
). The offset value defaults to 0
(see setOffset(int)
).public void setOffset(int offset)
offset
- the offset to use.public void resetGeneration(boolean reset)
reset
- if true
, generation numbers will
be set to 0; otherwise they are not modified.public PdfObject renumber(PdfObject obj) throws PdfFormatException
PdfReference
within the specified object.
The generation number may optionally be reset to 0 (see
resetGeneration(boolean)
). The offset is specified with
setOffset(int)
.obj
- the object to renumber.PdfFormatException
public PdfObject preFilter(PdfObject obj) throws PdfFormatException
renumber(PdfObject)
to filter indirect references and
should not be called externally. (It is not
synchronized.)preFilter
in interface PdfObjectFilter
obj
- the object to filter.PdfFormatException
public PdfObject postFilter(PdfObject obj) throws PdfFormatException
renumber(PdfObject)
to filter indirect references and
should not be called externally. (It is not
synchronized.)postFilter
in interface PdfObjectFilter
obj
- the object to filter.PdfFormatException