compress
Class Huff

java.lang.Object
  |
  +--compress.CompressAlgo
        |
        +--compress.Huff

public class Huff

extends CompressAlgo

A concrete CompressAlgo for Huffman coding

Author:

Chad Cook, Richa Dubey, Prashant Singh

Field Summary

static Huff

Singleton

Constructor Summary

private

Huff()

Method Summary

java.io.File	decode(java.io.File fileIn) Decodes fileIn.
java.io.File	encode(java.io.File fileIn) Encodes fileIn using Huffman coding and gives back the encoded file with a .ccc attatched to the name.

Methods inherited from class java.lang.Object

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

Field Detail

Singleton

public static final Huff Singleton

Constructor Detail

Huff

private Huff()

Method Detail

encode

public java.io.File encode(java.io.File fileIn)

Encodes fileIn using Huffman coding and gives back the encoded file with a .ccc attatched to the name.

Overrides:

encode in class CompressAlgo

Parameters:

File - The file to be encoded

Returns:

The encoded file.

decode

public java.io.File decode(java.io.File fileIn)

Decodes fileIn. fileIn is assumed to be Huffman encoded, starting with a list of alternating letters and frequencies from the original file.

Overrides:

decode in class CompressAlgo

Parameters:

File - The Huffman encoded file.

Returns:

The decoded file.