entagged.audioformats.asf.data
Class Chunk

java.lang.Object
  entagged.audioformats.asf.data.Chunk

Direct Known Subclasses:

AsfHeader, ContentDescription, EncodingChunk, ExtendedContentDescription, FileHeader, StreamBitratePropertiesChunk, StreamChunk

public class Chunk
extends Object

This class represents a chunk within asf streams.
Each chunk starts with a 16byte guid identifying the type. After that a number (represented by 8 bytes) follows which shows the size in bytes of the chunk. Finally there is the data of the chunk.

Author:

Christian Laireiter

Field Summary

protected BigInteger	chunkLength The length of current chunk.
protected GUID	guid The guid of represented chunk header.
protected long	position The position of current header object within file or stream.

Constructor Summary

Chunk(GUID headerGuid, long pos, BigInteger chunkLen)
Creates an instance

Method Summary

long	getChunckEnd() This method returns the End of the current chunk introduced by current header object.
BigInteger	getChunkLength()
GUID	getGuid()
long	getPosition()
String	prettyPrint() This method creates a String containing usefull information prepared to be printed on stdout.
String	toString() (overridden)

Methods inherited from class java.lang.Object

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

Field Detail

chunkLength

protected final BigInteger chunkLength

The length of current chunk.

guid

protected final GUID guid

The guid of represented chunk header.

position

protected final long position

The position of current header object within file or stream.

Constructor Detail

Chunk

public Chunk(GUID headerGuid,
             long pos,
             BigInteger chunkLen)

Creates an instance

Parameters:

headerGuid - The GUID of header object.

pos - Position of header object within stream or file.

chunkLen - Length of current chunk.

Method Detail

getChunckEnd

public long getChunckEnd()

This method returns the End of the current chunk introduced by current header object.

Returns:

Position after current chunk.

getChunkLength

public BigInteger getChunkLength()

Returns:

Returns the chunkLength.

getGuid

public GUID getGuid()

Returns:

Returns the guid.

getPosition

public long getPosition()

Returns:

Returns the position.

prettyPrint

public String prettyPrint()

This method creates a String containing usefull information prepared to be printed on stdout.
This method is intended to be overwritten by inheriting classes.

Returns:

Information of current Chunk Object.

toString

public String toString()

(overridden)

Overrides:

toString in class Object

See Also:

Object.toString()