Package com.helger.base.codec.impl

Class LZWCodec.LZWDecodeDictionary

java.lang.Object

com.helger.base.codec.impl.LZWCodec.AbstractLZWDictionary

com.helger.base.codec.impl.LZWCodec.LZWDecodeDictionary

Enclosing class:

LZWCodec

protected static class LZWCodec.LZWDecodeDictionary
extends LZWCodec.AbstractLZWDictionary

Field Summary

Fields inherited from class com.helger.base.codec.impl.LZWCodec.AbstractLZWDictionary

CODE_CLEARTABLE, CODE_EOF, m_aTab, m_nCodeBits, m_nFreeCode, MAX_CODE

Constructor Summary

Constructors

Constructor	Description
LZWDecodeDictionary()	Constructor.

Method Summary

Modifier and Type	Method	Description
byte @Nullable []	directGetAllBytes(int nCode)	Directly get all bytes for a given code without copying.
int	readCode(@NonNull NonBlockingBitInputStream aBIS)	Read the next code

Methods inherited from class com.helger.base.codec.impl.LZWCodec.AbstractLZWDictionary

addEntry, getNextFreeCode, reset

Methods inherited from class java.lang.Object

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

Constructor Details

LZWDecodeDictionary

public LZWDecodeDictionary()

Constructor.

Method Details

readCode

public int readCode(@NonNull NonBlockingBitInputStream aBIS)
             throws IOException

Read the next code

Parameters:

aBIS - The stream to read from

Returns:

The next code

Throws:

IOException - In case EOF is reached

directGetAllBytes

@ReturnsMutableObject("speed")
public byte @Nullable [] directGetAllBytes(@Nonnegative
 int nCode)

Directly get all bytes for a given code without copying.

Parameters:

nCode - The code to look up. Must be ≥ 0.

Returns:

The byte array for the given code, or null if the code is not in the dictionary.