Package org.apache.tools.tar
Class TarArchiveSparseEntry
java.lang.Object
org.apache.tools.tar.TarArchiveSparseEntry
- All Implemented Interfaces:
- TarConstants
This class represents a sparse entry in a Tar archive.
 
The C structure for a sparse entry is:
 struct posix_header {
 struct sparse sp[21]; // TarConstants.SPARSELEN_GNU_SPARSE     - offset 0
 char isextended;      // TarConstants.ISEXTENDEDLEN_GNU_SPARSE - offset 504
 };
 
 Whereas, "struct sparse" is:
 
 struct sparse {
 char offset[12];   // offset 0
 char numbytes[12]; // offset 12
 };
 - 
Field SummaryFields inherited from interface org.apache.tools.tar.TarConstantsATIMELEN_GNU, CHKSUMLEN, CTIMELEN_GNU, DEVLEN, FORMAT_OLDGNU, FORMAT_POSIX, GIDLEN, GNAMELEN, GNU_LONGLINK, GNU_TMAGIC, ISEXTENDEDLEN_GNU, ISEXTENDEDLEN_GNU_SPARSE, LF_BLK, LF_CHR, LF_CONTIG, LF_DIR, LF_FIFO, LF_GNUTYPE_LONGLINK, LF_GNUTYPE_LONGNAME, LF_GNUTYPE_SPARSE, LF_LINK, LF_NORMAL, LF_OLDNORM, LF_PAX_EXTENDED_HEADER_LC, LF_PAX_EXTENDED_HEADER_UC, LF_PAX_GLOBAL_EXTENDED_HEADER, LF_SYMLINK, LONGNAMESLEN_GNU, MAGIC_OFFSET, MAGIC_POSIX, MAGICLEN, MAXID, MAXSIZE, MODELEN, MODTIMELEN, NAMELEN, OFFSETLEN_GNU, PAD2LEN_GNU, PREFIXLEN, PURE_MAGICLEN, REALSIZELEN_GNU, SIZELEN, SPARSELEN_GNU, SPARSELEN_GNU_SPARSE, TMAGIC, UIDLEN, UNAMELEN, VERSION_GNU_SPACE, VERSION_GNU_ZERO, VERSION_OFFSET, VERSION_POSIX, VERSIONLEN
- 
Constructor SummaryConstructorsConstructorDescriptionTarArchiveSparseEntry(byte[] headerBuf) Construct an entry from an archive's header bytes.
- 
Method Summary
- 
Constructor Details- 
TarArchiveSparseEntryConstruct an entry from an archive's header bytes. File is set to null.- Parameters:
- headerBuf- The header bytes from a tar archive entry.
- Throws:
- IOException- on unknown format
 
 
- 
- 
Method Details- 
isExtendedpublic boolean isExtended()
 
-