Package org.apache.tools.tar

## Interface TarConstants

All Known Implementing Classes:
  `TarArchiveSparseEntry`, `TarEntry`

    public interface TarConstants

This interface contains all the definitions used in the package. For tar formats (FORMAT_OLDGNU, FORMAT_POSIX, etc.) see GNU tar tar.h type enum archive_format

### Field Summary

Fields
`static int` `ATIMELEN_GNU` The length of the access time field in an old GNU header buffer.
`static int` `CHKSUMLEN` The length of the checksum field in a header buffer.
`static int` `CTIMELEN_GNU` The length of the created time field in an old GNU header buffer.
`static int` `DEVLEN` The length of each of the device fields (major and minor) in a header buffer.
`static int` `FORMAT_OLDGNU` GNU format as per before tar 1.12.
`static int` `FORMAT_POSIX` Pure Posix format.
`static int` `GIDLEN` The length of the group id field in a header buffer.
`static int` `GNAMELEN` The length of the group name field in a header buffer.
`static java.lang.String` `GNU_LONGLINK` The name of the GNU tar entry which contains a long name.
`static java.lang.String` `GNU_TMAGIC` The magic tag representing a GNU tar archive.
`static int` `ISEXTENDEDLEN_GNU` The length of the is extension field in an old GNU header buffer.
`static int` `ISEXTENDEDLEN_GNU_SPARSE` The length of the is extension field in a sparse header buffer.
`static byte` `LF_BLK` Block device file type.
`static byte` `LF_CHR` Character device file type.
`static byte` `LF_CONTIG` Contiguous file type.
`static byte` `LF_DIR` Directory file type.
`static byte` `LF_FIFO` FIFO (pipe) file type.
`static byte` `LF_GNUTYPE_LONGLINK` Identifies the *next* file on the tape as having a long linkname.
`static byte` `LF_GNUTYPE_LONGNAME` Identifies the *next* file on the tape as having a long name.
`static byte` `LF_GNUTYPE_SPARSE` Sparse file type.
`static byte` `LF_LINK` Link file type.
`static byte` `LF_NORMAL` Normal file type.
`static byte` `LF_OLDNORM` LF_ constants represent the "link flag" of an entry, or more commonly, the "entry type".
`static byte` `LF_PAX_EXTENDED_HEADER_LC` Identifies the entry as a Pax extended header.
`static byte` `LF_PAX_EXTENDED_HEADER_UC` Identifies the entry as a Pax extended header (SunOS tar -E).
`static byte` `LF_PAX_GLOBAL_EXTENDED_HEADER` Identifies the entry as a Pax global extended header.
`static byte` `LF_SYMLINK` Symbolic link file type.
`static int` `LONGNAMESLEN_GNU` The length of the long names field in an old GNU header buffer.
`static int` `MAGIC_OFFSET` Offset of start of magic field within header record
`static java.lang.String` `MAGIC_POSIX` The magic tag representing a POSIX tar archive.
`static int` `MAGICLEN` The length of the magic field in a header buffer including the version.
`static long` `MAXID` The maximum value of gid/uid in a tar archive which can be expressed in octal char notation (that's 7 sevens, octal).
`static long` `MAXSIZE` The maximum size of a file in a tar archive which can be expressed in octal char notation (that's 11 sevens, octal).
`static int` `MODELEN` The length of the mode field in a header buffer.
`static int` `MODTIMELEN` The length of the modification time field in a header buffer.
`static int` `NAMELEN` The length of the name field in a header buffer.
`static int` `OFFSETLEN_GNU` The length of the multivolume start offset field in an old GNU header buffer.
`static int` `PAD2LEN_GNU` The length of the padding field in an old GNU header buffer.
`static int` `PREFIXLEN` Length of the prefix field.
`static int` `PURE_MAGICLEN` The length of the magic field in a header buffer.
`static int` `REALSIZELEN_GNU` The length of the real size field in an old GNU header buffer.
`static int` `SIZELEN` The length of the size field in a header buffer.
`static int` `SPARSELEN_GNU` The sum of the length of all sparse headers in an old GNU header buffer.
`static int` `SPARSELEN_GNU_SPARSE` The sum of the length of all sparse headers in a sparse header buffer.
`static java.lang.String` `TMAGIC`
`static int` `UIDLEN` The length of the user id field in a header buffer.
`static int` `UNAMELEN` The length of the user name field in a header buffer.
`static java.lang.String` `VERSION_GNU_SPACE`
`static java.lang.String` `VERSION_GNU_ZERO`
`static int` `VERSION_OFFSET` Offset of start of magic field within header record
`static java.lang.String` `VERSION_POSIX`
`static int` `VERSIONLEN` Previously this was regarded as part of "magic" field, but it is separate.

### Field Detail

#### FORMAT_OLDGNU

    static final int FORMAT_OLDGNU

GNU format as per before tar 1.12.

See Also:
  Constant Field Values

#### FORMAT_POSIX

    static final int FORMAT_POSIX

Pure Posix format.

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  Constant Field Values

#### NAMELEN

    static final int NAMELEN

The length of the name field in a header buffer.

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#### MODELEN

    static final int MODELEN

The length of the mode field in a header buffer.

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#### UIDLEN

    static final int UIDLEN

The length of the user id field in a header buffer.

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#### GIDLEN

    static final int GIDLEN

The length of the group id field in a header buffer.

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  Constant Field Values

#### MAXID

    static final long MAXID

The maximum value of gid/uid in a tar archive which can be expressed in octal char notation (that's 7 sevens, octal).

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#### CHKSUMLEN

    static final int CHKSUMLEN

The length of the checksum field in a header buffer.

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#### SIZELEN

    static final int SIZELEN

The length of the size field in a header buffer. Includes the trailing space or NUL.

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#### MAXSIZE

    static final long MAXSIZE

The maximum size of a file in a tar archive which can be expressed in octal char notation (that's 11 sevens, octal).

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  Constant Field Values

#### MAGIC_OFFSET

    static final int MAGIC_OFFSET

Offset of start of magic field within header record

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#### MAGICLEN

    static final int MAGICLEN

The length of the magic field in a header buffer including the version.

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#### PURE_MAGICLEN

    static final int PURE_MAGICLEN

The length of the magic field in a header buffer.

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#### VERSION_OFFSET

    static final int VERSION_OFFSET

Offset of start of magic field within header record

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#### VERSIONLEN

    static final int VERSIONLEN

Previously this was regarded as part of "magic" field, but it is separate.

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#### MODTIMELEN

    static final int MODTIMELEN

The length of the modification time field in a header buffer.

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#### UNAMELEN

    static final int UNAMELEN

The length of the user name field in a header buffer.

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#### GNAMELEN

    static final int GNAMELEN

The length of the group name field in a header buffer.

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#### DEVLEN

    static final int DEVLEN

The length of each of the device fields (major and minor) in a header buffer.

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#### PREFIXLEN

    static final int PREFIXLEN

Length of the prefix field.

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#### ATIMELEN_GNU

    static final int ATIMELEN_GNU

The length of the access time field in an old GNU header buffer.

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#### CTIMELEN_GNU

    static final int CTIMELEN_GNU

The length of the created time field in an old GNU header buffer.

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#### OFFSETLEN_GNU

    static final int OFFSETLEN_GNU

The length of the multivolume start offset field in an old GNU header buffer.

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#### LONGNAMESLEN_GNU

    static final int LONGNAMESLEN_GNU

The length of the long names field in an old GNU header buffer.

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#### PAD2LEN_GNU

    static final int PAD2LEN_GNU

The length of the padding field in an old GNU header buffer.

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#### SPARSELEN_GNU

    static final int SPARSELEN_GNU

The sum of the length of all sparse headers in an old GNU header buffer.

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#### ISEXTENDEDLEN_GNU

    static final int ISEXTENDEDLEN_GNU

The length of the is extension field in an old GNU header buffer.

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#### REALSIZELEN_GNU

    static final int REALSIZELEN_GNU

The length of the real size field in an old GNU header buffer.

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#### SPARSELEN_GNU_SPARSE

    static final int SPARSELEN_GNU_SPARSE

The sum of the length of all sparse headers in a sparse header buffer.

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#### ISEXTENDEDLEN_GNU_SPARSE

    static final int ISEXTENDEDLEN_GNU_SPARSE

The length of the is extension field in a sparse header buffer.

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#### LF_OLDNORM

    static final byte LF_OLDNORM

LF_ constants represent the "link flag" of an entry, or more commonly, the "entry type". This is the "old way" of indicating a normal file.

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#### LF_NORMAL

    static final byte LF_NORMAL

Normal file type.

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#### LF_LINK

    static final byte LF_LINK

Link file type.

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#### LF_SYMLINK

    static final byte LF_SYMLINK

Symbolic link file type.

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#### LF_CHR

    static final byte LF_CHR

Character device file type.

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#### LF_BLK

    static final byte LF_BLK

Block device file type.

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#### LF_DIR

    static final byte LF_DIR

Directory file type.

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#### LF_FIFO

    static final byte LF_FIFO

FIFO (pipe) file type.

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#### LF_CONTIG

    static final byte LF_CONTIG

Contiguous file type.

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#### LF_GNUTYPE_LONGLINK

    static final byte LF_GNUTYPE_LONGLINK

Identifies the *next* file on the tape as having a long linkname.

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#### LF_GNUTYPE_LONGNAME

    static final byte LF_GNUTYPE_LONGNAME

Identifies the *next* file on the tape as having a long name.

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#### LF_GNUTYPE_SPARSE

    static final byte LF_GNUTYPE_SPARSE

Sparse file type.

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#### LF_PAX_EXTENDED_HEADER_LC

    static final byte LF_PAX_EXTENDED_HEADER_LC

Identifies the entry as a Pax extended header.

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#### LF_PAX_EXTENDED_HEADER_UC

    static final byte LF_PAX_EXTENDED_HEADER_UC

Identifies the entry as a Pax extended header (SunOS tar -E).

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#### LF_PAX_GLOBAL_EXTENDED_HEADER

    static final byte LF_PAX_GLOBAL_EXTENDED_HEADER

Identifies the entry as a Pax global extended header.

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#### TMAGIC

    static final java.lang.String TMAGIC

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#### MAGIC_POSIX

    static final java.lang.String MAGIC_POSIX

The magic tag representing a POSIX tar archive.

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#### VERSION_POSIX

    static final java.lang.String VERSION_POSIX

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#### GNU_TMAGIC

    static final java.lang.String GNU_TMAGIC

The magic tag representing a GNU tar archive.

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#### VERSION_GNU_SPACE

    static final java.lang.String VERSION_GNU_SPACE

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#### VERSION_GNU_ZERO

    static final java.lang.String VERSION_GNU_ZERO

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#### GNU_LONGLINK

    static final java.lang.String GNU_LONGLINK

The name of the GNU tar entry which contains a long name.

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  Constant Field Values