edu.harvard.hul.ois.jhove.module.jpeg2000
Class Marker

java.lang.Object
  edu.harvard.hul.ois.jhove.module.jpeg2000.MarkerSegment
      edu.harvard.hul.ois.jhove.module.jpeg2000.Marker

public class Marker
extends MarkerSegment

This is a subclass of MarkerSegment for Markers. Markers are those elements of a codestream which have no parameters. It can be subclassed for specific Markers, or used directly to provide default behavior.

Author:

Gary McGath

Field Summary

Fields inherited from class edu.harvard.hul.ois.jhove.module.jpeg2000.MarkerSegment

_ccs, _cs, _dstream, _module, _repInfo, COC, COD, COM, CRG, EOC, EPH, PLM, PLT, POC, PPM, PPT, QCC, QCD, RGN, SIZ, SOC, SOD, SOP, SOT, TLM

Constructor Summary

Marker()

Method Summary

protected boolean	process(int bytesToEat) Default processing.
protected int	readMarkLen() Overrides the superclass to return 0 without consuming any bytes from the DataInputStream.

Methods inherited from class edu.harvard.hul.ois.jhove.module.jpeg2000.MarkerSegment

getMainOrTile, isMarker, markerSegmentMaker, nCompBytes, setCodestream, setContCodestream, setDataInputStream, setModule, setRepInfo

Methods inherited from class java.lang.Object

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

Constructor Detail

Marker

public Marker()

Method Detail

readMarkLen

protected int readMarkLen()
                   throws java.io.IOException

Overrides the superclass to return 0 without consuming any bytes from the DataInputStream.

Overrides:

readMarkLen in class MarkerSegment

Throws:

java.io.IOException

process

protected boolean process(int bytesToEat)

Default processing. Does nothing, and always returns true.

Specified by:

process in class MarkerSegment

Parameters:

bytesToEat - The number of bytes that must be consumed. For a Marker, this number will always be 0. If it is 0 for a MarkerSegment, the number of bytes to consume is unknown.

Returns:

true if segment is well-formed, false otherwise.