loci.poi.poifs.storage

Class RawDataBlock

java.lang.Object

loci.poi.poifs.storage.RawDataBlock

All Implemented Interfaces:

ListManagedBlock

public class RawDataBlock
extends Object
implements ListManagedBlock

A big block created from an InputStream, holding the raw data

Author:

Marc Johnson (mjohnson at apache dot org

Field Summary

Fields

Modifier and Type	Field and Description
private boolean	_eof
private int	blockSize
private int	length
private long	offset
private RandomAccessInputStream	stream

Constructor Summary

Constructors

Constructor and Description
RawDataBlock(RandomAccessInputStream stream, int size, long pointer) Constructor RawDataBlock

Method Summary

Methods

Modifier and Type	Method and Description
boolean	eof() When we read the data, did we hit end of file?
int	getBlockSize()
byte[]	getData() Get the data from the block
int	getLength()
long	getOffset()

Methods inherited from class java.lang.Object

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

Field Detail

_eof

private boolean _eof

blockSize

private int blockSize

stream

private RandomAccessInputStream stream

offset

private long offset

length

private int length

Constructor Detail

RawDataBlock

public RawDataBlock(RandomAccessInputStream stream,
            int size,
            long pointer)
             throws IOException

Constructor RawDataBlock

Parameters:

stream - the InputStream from which the data will be read

size - the block size

Throws:

IOException - on I/O errors, and if an insufficient amount of data is read

Method Detail

eof

public boolean eof()
            throws IOException

When we read the data, did we hit end of file?

Returns:

true if no data was read because we were at the end of the file, else false

Throws:

IOException

getBlockSize

public int getBlockSize()

getOffset

public long getOffset()

getLength

public int getLength()

getData

public byte[] getData()
               throws IOException

Get the data from the block

Specified by:

getData in interface ListManagedBlock

Returns:

the block's data as a byte array

Throws:

IOException - if there is no data