io.github.zlika.reproducible

Class TarStripper

java.lang.Object

io.github.zlika.reproducible.TarStripper

All Implemented Interfaces:

Stripper

Direct Known Subclasses:

TarBzStripper, TarGzStripper

public class TarStripper
extends Object
implements Stripper

Strip Tar archives of file dates and users,groups informations that are not reproducible.

Author:

tglman

Constructor Summary

Constructors

Constructor and Description
TarStripper(LocalDateTime reproducibleDateTime) Constructor.

Method Summary

Modifier and Type	Method and Description
protected org.apache.commons.compress.archivers.tar.TarArchiveInputStream	createInputStream(File in) Factory that create a new instance of tar input stream, for allow extension for different file compression format.
protected org.apache.commons.compress.archivers.tar.TarArchiveOutputStream	createOutputStream(File out) Factory that create a new instance of tar output stream, for allow extension for different file compression format.
void	strip(File in, File out) Strips non-reproducible data.

Methods inherited from class java.lang.Object

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

Constructor Detail

TarStripper

public TarStripper(LocalDateTime reproducibleDateTime)

Constructor.

Parameters:

reproducibleDateTime - the date/time to use in TAR entries.

Method Detail

createInputStream

protected org.apache.commons.compress.archivers.tar.TarArchiveInputStream createInputStream(File in)
                                                                                     throws FileNotFoundException,
                                                                                            IOException

Factory that create a new instance of tar input stream, for allow extension for different file compression format.

Parameters:

in - the input file.

Returns:

a TarArchiveInputStream for the file.

Throws:

FileNotFoundException - if the file as parameter is not found

IOException - if there are error reading the file given as parameter

createOutputStream

protected org.apache.commons.compress.archivers.tar.TarArchiveOutputStream createOutputStream(File out)
                                                                                       throws FileNotFoundException,
                                                                                              IOException

Factory that create a new instance of tar output stream, for allow extension for different file compression format.

Parameters:

out - the output file.

Returns:

a TarArchiveOutputStream for the file.

Throws:

FileNotFoundException - if the file as parameter is not found

IOException - if there are error reading the file given as parameter

strip

public void strip(File in,
                  File out)
           throws IOException

Description copied from interface: Stripper

Strips non-reproducible data.

Specified by:

strip in interface Stripper

Parameters:

in - the input file.

out - the stripped output file.

Throws:

IOException - if an I/O error occurs.