edu.harvard.hul.ois.jhove.module.iff

Class Superchunk

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

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