org.apache.poi.hdgf.chunks

Class Chunk

java.lang.Object

org.apache.poi.hdgf.chunks.Chunk

public final class Chunk
extends Object

Base of all chunks, which hold data, flags etc

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Chunk.BlockOffsetCommand A special kind of command that holds the offset to a block
static class	Chunk.Command A command in the visio file.

Field Summary

Fields

Modifier and Type	Field and Description
protected ChunkFactory.CommandDefinition[]	commandDefinitions The possible different commands we can hold

Constructor Summary

Constructors

Constructor and Description
Chunk(ChunkHeader header, ChunkTrailer trailer, ChunkSeparator separator, byte[] contents)

Method Summary

Methods

Modifier and Type	Method and Description
byte[]	_getContents()
ChunkFactory.CommandDefinition[]	getCommandDefinitions() Gets the command definitions, which define and describe much of the data held by the chunk.
Chunk.Command[]	getCommands()
ChunkHeader	getHeader()
String	getName() Get the name of the chunk, as found from the CommandDefinitions
int	getOnDiskSize() Returns the size of the chunk, including any headers, trailers and separators.
ChunkSeparator	getSeparator() Gets the separator between this chunk and the next, if it exists
ChunkTrailer	getTrailer() Gets the trailer for this chunk, if it exists
protected void	processCommands() Uses our CommandDefinitions to process the commands our chunk type has, and figure out the values for them.

Methods inherited from class java.lang.Object

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

Field Detail

commandDefinitions

protected ChunkFactory.CommandDefinition[] commandDefinitions

The possible different commands we can hold

Constructor Detail

Chunk

public Chunk(ChunkHeader header,
     ChunkTrailer trailer,
     ChunkSeparator separator,
     byte[] contents)

Method Detail

_getContents

public byte[] _getContents()

getHeader

public ChunkHeader getHeader()

getSeparator

public ChunkSeparator getSeparator()

Gets the separator between this chunk and the next, if it exists

getTrailer

public ChunkTrailer getTrailer()

Gets the trailer for this chunk, if it exists

getCommandDefinitions

public ChunkFactory.CommandDefinition[] getCommandDefinitions()

Gets the command definitions, which define and describe much of the data held by the chunk.

getCommands

public Chunk.Command[] getCommands()

getName

public String getName()

Get the name of the chunk, as found from the CommandDefinitions

getOnDiskSize

public int getOnDiskSize()

Returns the size of the chunk, including any headers, trailers and separators.

processCommands

protected void processCommands()

Uses our CommandDefinitions to process the commands our chunk type has, and figure out the values for them.