Class MyLzwDecompressor

java.lang.Object

org.apache.commons.imaging.mylzw.MyLzwDecompressor

public final class MyLzwDecompressor
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	MyLzwDecompressor.Listener

Field Summary

Fields

Modifier and Type	Field	Description
private final ByteOrder	byteOrder
private final int	clearCode
private int	codes
private int	codeSize
private final int	eoiCode
private final int	initialCodeSize
private final MyLzwDecompressor.Listener	listener
private static final int	MAX_TABLE_SIZE
private final byte[][]	table
private final boolean	tiffLZWMode
private int	written

Constructor Summary

Constructors

Constructor	Description
MyLzwDecompressor(int initialCodeSize, ByteOrder byteOrder, boolean tiffLZWMode)
MyLzwDecompressor(int initialCodeSize, ByteOrder byteOrder, boolean tiffLZWMode, MyLzwDecompressor.Listener listener)

Method Summary

Modifier and Type	Method	Description
private void	addStringToTable(byte[] bytes)
private byte[]	appendBytes(byte[] bytes, byte b)
private void	checkCodeSize()
private void	clearTable()
byte[]	decompress(InputStream is, int expectedLength)
private byte	firstChar(byte[] bytes)
private int	getNextCode(MyBitInputStream is)
private void	incrementCodeSize()
private void	initializeTable()
private boolean	isInTable(int code)
private byte[]	stringFromCode(int code)
private void	writeToResult(OutputStream os, byte[] bytes)

Methods inherited from class Object

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

Field Details

MAX_TABLE_SIZE

private static final int MAX_TABLE_SIZE

See Also:

• Constant Field Values

table

private final byte[][] table

codeSize

private int codeSize

initialCodeSize

private final int initialCodeSize

codes

private int codes

byteOrder

private final ByteOrder byteOrder

listener

private final MyLzwDecompressor.Listener listener

clearCode

private final int clearCode

eoiCode

private final int eoiCode

written

private int written

tiffLZWMode

private final boolean tiffLZWMode

Constructor Details

MyLzwDecompressor

public MyLzwDecompressor(int initialCodeSize,
 ByteOrder byteOrder,
 boolean tiffLZWMode)
                  throws ImagingException

Throws:

ImagingException

MyLzwDecompressor

public MyLzwDecompressor(int initialCodeSize,
 ByteOrder byteOrder,
 boolean tiffLZWMode,
 MyLzwDecompressor.Listener listener)
                  throws ImagingException

Throws:

ImagingException

Method Details

addStringToTable

private void addStringToTable(byte[] bytes)

appendBytes

private byte[] appendBytes(byte[] bytes,
 byte b)

checkCodeSize

private void checkCodeSize()

clearTable

private void clearTable()

decompress

public byte[] decompress(InputStream is,
 int expectedLength)
                  throws IOException

Throws:

IOException

firstChar

private byte firstChar(byte[] bytes)

getNextCode

private int getNextCode(MyBitInputStream is)
                 throws IOException

Throws:

IOException

incrementCodeSize

private void incrementCodeSize()

initializeTable

private void initializeTable()
                      throws ImagingException

Throws:

ImagingException

isInTable

private boolean isInTable(int code)

stringFromCode

private byte[] stringFromCode(int code)
                       throws ImagingException

Throws:

ImagingException

writeToResult

private void writeToResult(OutputStream os,
 byte[] bytes)
                    throws IOException

Throws:

IOException