Package net.sf.basedb.util.zip

Class TarUtil

java.lang.Object

net.sf.basedb.util.zip.TarUtil

public class TarUtil
extends Object

Contains utility functions for TAR archives. Most importantly functions for handling entries with too long file names to fit in the header section.

Version:

2.5.1

Author:

nicklas

Last modified

$Date: 2015-05-12 11:27:08 +0200 (ti, 12 maj 2015) $

Field Summary

Fields

Modifier and Type	Field	Description
private static byte	LONG_LINK_FLAG	The TAR header flag that must be set for @LongLink entries.
static String	LONG_LINK_NAME	TAR has a limit of 100 characters in file names.
static int	MAX_NAME_LENGTH	Maximum file name length.

Constructor Summary

Constructors

Constructor	Description
TarUtil()

Method Summary

Modifier and Type	Method	Description
static com.ice.tar.TarEntry	getNextEntry(com.ice.tar.TarInputStream tarStream)	Get the next entry from a TAR input stream.
static void	putNextEntry(com.ice.tar.TarEntry entry, com.ice.tar.TarOutputStream tarStream)	Put the next entry to a TAR stream.

Methods inherited from class java.lang.Object

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

Field Details

LONG_LINK_NAME

public static final String LONG_LINK_NAME

TAR has a limit of 100 characters in file names. Names that are longer store the actual filename in an entry with this name just before the real file (which usually has a truncated name entry).

See Also:

Constant Field Values

MAX_NAME_LENGTH

public static final int MAX_NAME_LENGTH

Maximum file name length.

See Also:

LONG_LINK_NAME, Constant Field Values

LONG_LINK_FLAG

private static byte LONG_LINK_FLAG

The TAR header flag that must be set for @LongLink entries.

Constructor Details

TarUtil

public TarUtil()

Method Details

getNextEntry

public static final com.ice.tar.TarEntry getNextEntry(com.ice.tar.TarInputStream tarStream)
                                               throws IOException

Get the next entry from a TAR input stream. This method has support for long filenames. After calling this method the actual file data can be read from the stream.

Parameters:

tarStream - The TAR stream to read from

Returns:

The next entry or null if the end of stream has been reached

Throws:

IOException

putNextEntry

public static final void putNextEntry(com.ice.tar.TarEntry entry,
com.ice.tar.TarOutputStream tarStream)
                               throws IOException

Put the next entry to a TAR stream. This method has support for long filenames and will automatically create all neccesary extra information inside the TAR stream. After calling this method the actual file data should be written to the stream.

Parameters:

entry - The next entry

tarStream - The tar stream to write to

Throws:

IOException