Marker (JHOVE - JSTOR/Harvard Object Validation Environment 1.16.0 API)

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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

Constructors
Constructor and Description

Marker()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`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 IOException
```
    Overrides the superclass to return 0 without consuming any bytes from the DataInputStream.
    
    Overrides:
    
    readMarkLen in class MarkerSegment
    
    Throws:
    
    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.

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