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

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java.lang.Object
- edu.harvard.hul.ois.jhove.module.iff.Chunk
- - edu.harvard.hul.ois.jhove.module.iff.Superchunk

Direct Known Subclasses:

AssocDataListChunk, ListInfoChunk
```
public abstract class Superchunk
extends Chunk
```
Abstract class for a chunk that contains other chunks. It is assumed that the nested chunks come last in the chunk, so that once you start reading chunks, reaching the end of the superchunk is the indicator that there are no more chunks to read.

Author:

Gary McGath

Field Summary
- Fields inherited from class edu.harvard.hul.ois.jhove.module.iff.Chunk
  _dstream, _module, bytesLeft

Constructor Summary

Constructors
Constructor and Description

Superchunk(ModuleBase module, ChunkHeader hdr, DataInputStream dstrm, RepInfo info)
Constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`ChunkHeader`	`getNextChunkHeader()` Reads and returns the next ChunkHeader within this Chunk, and takes care of byte counting.

Methods inherited from class edu.harvard.hul.ois.jhove.module.iff.Chunk
byteBufString, readChunk

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - Superchunk
```
public Superchunk(ModuleBase module,
                  ChunkHeader hdr,
                  DataInputStream dstrm,
                  RepInfo info)
```
    Constructor.
    
    Parameters:
    
    module - The WaveModule under which this was called
    
    hdr - The header for this chunk
    
    dstrm - The stream from which the WAVE data are being read
    
    info - RepInfo object for error reporting
- Method Detail
  - getNextChunkHeader
```
public ChunkHeader getNextChunkHeader()
                               throws IOException
```
    Reads and returns the next ChunkHeader within this Chunk, and takes care of byte counting. If this Chunk is exhausted, returns null.
    
    Throws:
    
    IOException

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