com.jscape.zip

Class Zip

java.lang.Object

com.jscape.zip.Zip

All Implemented Interfaces:

Archive

public class Zip
extends java.lang.Object
implements Archive

Implements the basic functionality of ZIP compression and decompression.

Field Summary

Fields

Modifier and Type	Field and Description
static char	BACK_SLASH
static int	BUF_SIZE
static char	FORWARD_SLASH

Constructor Summary

Constructors

Constructor and Description
Zip() Creates a new Zip instance.

Method Summary

Modifier and Type	Method and Description
void	addArchiveListener(ArchiveListener listener) Adds listener.
void	compress(java.io.File file) Creates a new ZIP archive.
void	compress(java.io.File file, java.io.File targetPath) Creates a new ZIP archive.
void	compress(java.io.File output, java.util.Vector sourceVector) Expects a Vector of files and zips the content to the output file
void	decompress(java.io.File file) Decompress all the files in given ZIP archive.
void	decompress(java.io.File file, java.io.File output) Decompress all the files in given ZIP archive.
static java.util.Vector	getList(java.lang.String sDir) Recursively calculates the list of files.
long	getSize(java.util.Vector files) Get size of files in Vector
void	interrupt() Interrupt this instance & stop any ongoing compression / decompression.
boolean	isInterrupted() Returns whether this instance has been interrupted.
void	removeArchiveListener(ArchiveListener listener) Removes listener.
void	reset() Reset the interrupted flag.

Methods inherited from class java.lang.Object

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

Field Detail

FORWARD_SLASH

public static final char FORWARD_SLASH

See Also:

Constant Field Values

BACK_SLASH

public static final char BACK_SLASH

See Also:

Constant Field Values

BUF_SIZE

public static final int BUF_SIZE

See Also:

Constant Field Values

Constructor Detail

Zip

public Zip()

Creates a new Zip instance.

Method Detail

compress

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

Creates a new ZIP archive.

Specified by:

compress in interface Archive

Parameters:

file - the input file

Throws:

ArchiveException - if error occurs

compress

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

Creates a new ZIP archive.

Specified by:

compress in interface Archive

Parameters:

file - the input file

targetPath - the output file or directory

Throws:

ArchiveException - if error occurs

interrupt

public void interrupt()

Interrupt this instance & stop any ongoing compression / decompression.

reset

public void reset()

Reset the interrupted flag.

isInterrupted

public boolean isInterrupted()

Returns whether this instance has been interrupted.

Returns:

interrupted

compress

public void compress(java.io.File output,
                     java.util.Vector sourceVector)
              throws ArchiveException

Expects a Vector of files and zips the content to the output file

Parameters:

sourceVector -

output -

Throws:

ArchiveException

getSize

public long getSize(java.util.Vector files)

Get size of files in Vector

Parameters:

files - target files

Returns:

size

getList

public static java.util.Vector getList(java.lang.String sDir)

Recursively calculates the list of files.

Parameters:

sDir -

Returns:

vector of files

decompress

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

Decompress all the files in given ZIP archive.

Specified by:

decompress in interface Archive

Parameters:

file - the ZIP file

Throws:

ArchiveException - if error occurs

decompress

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

Decompress all the files in given ZIP archive.

Specified by:

decompress in interface Archive

Parameters:

file - the ZIP file

output - the output directory to decompress files to

Throws:

ArchiveException - if error occurs

addArchiveListener

public void addArchiveListener(ArchiveListener listener)

Adds listener.

Specified by:

addArchiveListener in interface Archive

Parameters:

listener - the listener

See Also:

Archive.addArchiveListener(ArchiveListener)

removeArchiveListener

public void removeArchiveListener(ArchiveListener listener)

Removes listener.

Specified by:

removeArchiveListener in interface Archive

Parameters:

listener - the listener

See Also:

Archive.removeArchiveListener(ArchiveListener)