org.thales.punch.libraries.utils.api

Class UtilTar

java.lang.Object

org.thales.punch.libraries.utils.api.UtilTar

public class UtilTar
extends Object

A simple Tar utility to create/untar tar.gz files back and forth.

Author:

dimi

Method Summary

Modifier and Type	Method and Description
static byte[]	compress(File... files)
static byte[]	compress(Path path)
static void	compress(String name, File... files) Compress one several files or a directory and put the result in the given output path.
static void	decompress(byte[] in, File out) Untar a file
static void	decompress(String in, File out) Untar a file
static byte[]	gunzip(byte[] input) Gunzip some byte array.
static byte[]	gzip(byte[] input) Gzip some data
static byte[]	gzip(byte[] input, int startOffset, int endOffset) A simple gzip utility function
static byte[]	gzip(String input) A simple gzip utility function

Methods inherited from class java.lang.Object

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

Method Detail

compress

public static void compress(String name,
                            File... files)
                     throws IOException

Compress one several files or a directory and put the result in the given output path.

Parameters:

name - the target absolute path, i.e. "/tmp/archive.tar"

files - the files to tar, it can be directories

Throws:

IOException - in case of problems

compress

public static byte[] compress(Path path)
                       throws IOException

Throws:

IOException

compress

public static byte[] compress(File... files)
                       throws IOException

Parameters:

files - files

Returns:

compressed several files

Throws:

IOException - exception

decompress

public static void decompress(byte[] in,
                              File out)
                       throws IOException

Untar a file

Parameters:

in - the input archive path, i.e. "/tmp/archive.tar

out - the output destination folder

Throws:

IOException - in case of problems

decompress

public static void decompress(String in,
                              File out)
                       throws IOException

Untar a file

Parameters:

in - the input archive path, i.e. "/tmp?archive.tar

out - the output destination folder

Throws:

IOException - in case of file acces problems

gzip

public static byte[] gzip(String input)

A simple gzip utility function

Parameters:

input - your input string

Returns:

the gzipped data

gzip

public static byte[] gzip(byte[] input,
                          int startOffset,
                          int endOffset)

A simple gzip utility function

Parameters:

input - your input data

startOffset - the start offset

endOffset - the end offset

Returns:

the gzipped data

gunzip

public static byte[] gunzip(byte[] input)

Gunzip some byte array.

Parameters:

input - your input bytes

Returns:

the gunzip data

gzip

public static byte[] gzip(byte[] input)

Gzip some data

Parameters:

input - the input data

Returns:

the gzipped data