CADI.Common.Cache

Class MetaDataBin

java.lang.Object

CADI.Common.Cache.DataBin

CADI.Common.Cache.MetaDataBin

All Implemented Interfaces:

ClassIdentifiers

public class MetaDataBin
extends DataBin

Extends the DataBin class to Meta data-based data (codestream main header).

Version:

1.1.2 2011/10/21

Author:

Group on Interactive Coding of Images (GICI)

Field Summary

Fields

Modifier and Type	Field and Description
protected DataBinStream	dataStream Object containing the stream of data.

Fields inherited from class CADI.Common.Cache.DataBin

classIdentifier, complete

Fields inherited from interface CADI.Common.Network.JPIP.ClassIdentifiers

EXTENDED_PRECINCT, EXTENDED_TILE, MAIN_HEADER, METADATA, PRECINCT, TILE, TILE_HEADER

Constructor Summary

Constructors

Constructor and Description
MetaDataBin() Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
void	addStream(byte[] data, long offset, boolean complete) Adds a data-bin message to the cache.
long	available()
byte[]	getDataArray()
long	getLength() Returns the length of the stored data.
long	getNumBytesLeft()
long	getPos()
void	list(java.io.PrintStream out) Prints this DataBin out to the specified output stream.
byte	readByte()
void	readFully(byte[] b)
void	readFully(byte[] b, int off, int len)
void	reset() Set attributes to its initial values.
void	seek(long offset)
int	skipBytes(int n)
java.lang.String	toString()

Methods inherited from class CADI.Common.Cache.DataBin

getClassIdentifier, isComplete, isHeldByCurrentThread, isLocked, lock, unlock

Methods inherited from class java.lang.Object

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

Field Detail

dataStream

protected DataBinStream dataStream

Object containing the stream of data.

Constructor Detail

MetaDataBin

public MetaDataBin()

Constructor.

Method Detail

addStream

public void addStream(byte[] data,
             long offset,
             boolean complete)

Adds a data-bin message to the cache.

This method can only be used when there were no gaps between consecutive message data. Otherwise, and exception is thrown.

Parameters:

data - definition in JPIPMessage.messageBody

offset - definition in JPIPMessageHeader.msgOffset

complete - definition in JPIPMessageHeader.isLastByte

getLength

public long getLength()

Returns the length of the stored data.

Returns:

getDataArray

public byte[] getDataArray()

Returns:

seek

public void seek(long offset)

Parameters:

offset -

skipBytes

public int skipBytes(int n)

Parameters:

n -

Returns:

getPos

public long getPos()

Returns:

getNumBytesLeft

public long getNumBytesLeft()

Returns:

available

public long available()

readByte

public byte readByte()
              throws java.io.EOFException

Returns:

Throws:

java.io.EOFException

readFully

public void readFully(byte[] b)

Parameters:

b -

readFully

public void readFully(byte[] b,
             int off,
             int len)
               throws java.io.EOFException

Parameters:

b -

off -

len -

Throws:

java.io.EOFException

reset

public void reset()

Set attributes to its initial values.

Overrides:

reset in class DataBin

toString

public java.lang.String toString()

Overrides:

toString in class DataBin

list

public void list(java.io.PrintStream out)

Prints this DataBin out to the specified output stream. This method is useful for debugging.

Overrides:

list in class DataBin

Parameters:

out - an output stream.