loci.poi.poifs.storage

Class PropertyBlock

java.lang.Object

loci.poi.poifs.storage.PropertyBlock

All Implemented Interfaces:

BlockWritable

public class PropertyBlock
extends Object

A block of Property instances

Author:

Marc Johnson (mjohnson at apache dot org)

Method Summary

Methods

Modifier and Type	Method and Description
static BlockWritable[]	createPropertyBlockArray(List properties, int size) Create an array of PropertyBlocks from an array of Property instances, creating empty Property instances to make up any shortfall
protected void	doWriteData(OutputStream stream, byte[] data) Default implementation of write for extending classes that contain their data in a simple array of bytes.
int	getBigBlockSize()
void	writeBlocks(OutputStream stream) Write the storage to an OutputStream

Methods inherited from class java.lang.Object

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

Method Detail

getBigBlockSize

public int getBigBlockSize()

createPropertyBlockArray

public static BlockWritable[] createPropertyBlockArray(List properties,
                                       int size)

Create an array of PropertyBlocks from an array of Property instances, creating empty Property instances to make up any shortfall

Parameters:

properties - the Property instances to be converted into PropertyBlocks, in a java List

Returns:

the array of newly created PropertyBlock instances

doWriteData

protected void doWriteData(OutputStream stream,
               byte[] data)
                    throws IOException

Default implementation of write for extending classes that contain their data in a simple array of bytes.

Parameters:

stream - the OutputStream to which the data should be written.

data - the byte array of to be written.

Throws:

IOException - on problems writing to the specified stream.

writeBlocks

public void writeBlocks(OutputStream stream)
                 throws IOException

Write the storage to an OutputStream

Specified by:

writeBlocks in interface BlockWritable

Parameters:

stream - the OutputStream to which the stored data should be written

Throws:

IOException - on problems writing to the specified stream