net.sf.basedb.util.zip
Class TarFilePacker

java.lang.Object
  net.sf.basedb.util.zip.TarFilePacker

All Implemented Interfaces:

FilePacker

Direct Known Subclasses:

Bzip2FilePacker, GzipFilePacker

public class TarFilePacker
extends Object
implements FilePacker

This class packs files into a TAR archive.

Version:

2.4

Author:

martin, Nicklas

Last modified

$Date: 2007-07-11 15:45:01 +0200 (Mon, 02 Jul 2007) $

Field Summary

private com.ice.tar.TarOutputStream

tar

Constructor Summary

TarFilePacker()
Creates a new TarFilePacker.

Method Summary

void	close() Finish the TAR file.
String	getDescription() Get a short description of this file format that is suitable for display in selection list boxes.
String	getFileExtension() Gets the extension that files, packed with this tool, should have, for example, zip or tar.gz Don't include the first dot!
String	getMimeType() Gets the MIME type to give compressed files from this packer
void	pack(String entryName, InputStream in, long size, long lastModified) Create a new TarEntry and write the compressed data to it.
void	setOutputStream(OutputStream out) Wrap the output stream in a TarOutputStream.

Methods inherited from class java.lang.Object

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

Field Detail

tar

private com.ice.tar.TarOutputStream tar

Constructor Detail

TarFilePacker

public TarFilePacker()

Creates a new TarFilePacker.

Method Detail

getDescription

public String getDescription()

Description copied from interface: FilePacker

Get a short description of this file format that is suitable for display in selection list boxes.

Specified by:

getDescription in interface FilePacker

Returns:

"TAR-archive (.tar)"

getFileExtension

public String getFileExtension()

Description copied from interface: FilePacker

Gets the extension that files, packed with this tool, should have, for example, zip or tar.gz Don't include the first dot!

Specified by:

getFileExtension in interface FilePacker

Returns:

"tar"

getMimeType

public String getMimeType()

Description copied from interface: FilePacker

Gets the MIME type to give compressed files from this packer

Specified by:

getMimeType in interface FilePacker

Returns:

"application/x-tar"

setOutputStream

public void setOutputStream(OutputStream out)
                     throws IOException

Wrap the output stream in a TarOutputStream.

Specified by:

setOutputStream in interface FilePacker

Parameters:

out - The output stream to write to

Throws:

IOException - If there is an error setting the output stream

pack

public void pack(String entryName,
                 InputStream in,
                 long size,
                 long lastModified)
          throws IOException

Create a new TarEntry and write the compressed data to it.

Specified by:

pack in interface FilePacker

Parameters:

entryName - The name of the packed resource, including path information

in - The input stream to read uncompressed data from, or null if the entry represents a directory

size - The number of bytes of uncompressed data

lastModified - The time the contents was last modified, or 0 if not known

Throws:

IOException - If there are any errors when reading or writing

close

public void close()
           throws IOException

Finish the TAR file.

Specified by:

close in interface FilePacker

Throws:

IOException - If there are any errors