com.jscape.zip
Class Gzip

java.lang.Object
  com.jscape.zip.Gzip

All Implemented Interfaces:

Archive

public class Gzip

extends java.lang.Object

implements Archive

Implements the basic functionality of GZIP compression and decompression.

Field Summary

static int

BUF_SIZE Buffer size.

Constructor Summary

Gzip()
Creates a new Gzip instance.

Method Summary

void	addArchiveListener(ArchiveListener listener) Adds listeners.
void	compress(java.io.File file) GZIP the input file.
void	compress(java.io.File file, java.io.File output) GZIP the input file to specified output file or directory.
void	decompress(java.io.File file) GUNZIP the input archive.
void	decompress(java.io.File file, java.io.File output) GUNZIP the input archive to specified output directory.
void	removeArchiveListener(ArchiveListener listener) Remove listeners.

Methods inherited from class java.lang.Object

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

Field Detail

BUF_SIZE

public static final int BUF_SIZE

Buffer size.

See Also:

Constant Field Values

Constructor Detail

Gzip

public Gzip()

Creates a new Gzip instance.

Method Detail

compress

public void compress(java.io.File file)
              throws ArchiveException

GZIP the input file.

Specified by:

compress in interface Archive

Parameters:

file - the file to compress

Throws:

ArchiveException - if error occurs

compress

public void compress(java.io.File file,
                     java.io.File output)
              throws ArchiveException

GZIP the input file to specified output file or directory.

Specified by:

compress in interface Archive

Parameters:

file - the file to compress

output - the output file or directory to write to

Throws:

ArchiveException - if error occurs

decompress

public void decompress(java.io.File file)
                throws ArchiveException

GUNZIP the input archive.

Specified by:

decompress in interface Archive

Parameters:

file - the file to decompress.

Throws:

ArchiveException - if error occurs

decompress

public void decompress(java.io.File file,
                       java.io.File output)
                throws ArchiveException

GUNZIP the input archive to specified output directory. Assumes that the input file name ends with .gz extension.

Specified by:

decompress in interface Archive

Parameters:

file - the file to decompress

output - the directory for decompress the GZIP file

Throws:

ArchiveException - if error occurs

addArchiveListener

public void addArchiveListener(ArchiveListener listener)

Adds listeners.

Specified by:

addArchiveListener in interface Archive

Parameters:

listener - the listener

See Also:

*

removeArchiveListener

public void removeArchiveListener(ArchiveListener listener)

Remove listeners.

Specified by:

removeArchiveListener in interface Archive

Parameters:

listener - the listener

See Also:

Archive.removeArchiveListener(ArchiveListener)