org.at4j.tar
Class TarDirectoryEntry

java.lang.Object
  org.at4j.archive.AbstractArchiveEntry<TarEntry,TarDirectoryEntry>
      org.at4j.tar.TarEntry
          org.at4j.tar.TarDirectoryEntry

All Implemented Interfaces:

ArchiveDirectoryEntry<TarEntry,TarDirectoryEntry>, ArchiveEntry<TarEntry,TarDirectoryEntry>, Lockable, ReadLockable, Named

Direct Known Subclasses:

UstarDirectoryEntry

public class TarDirectoryEntry
extends TarEntry
implements ArchiveDirectoryEntry<TarEntry,TarDirectoryEntry>

This object represents a Unix v7 Tar directory entry.

Tar entry objects are always immutable.

Since:

1.0

Author:

Karl Gustafsson

See Also:

TarFileEntry, TarSymbolicLinkEntry

Method Summary

Map<String,TarEntry>	getChildEntries() Get a read only map containing this directory entry's child entries, keyed under their (file) names.
protected UnixEntityMode	getDefaultEntityMode() Subclasses implement this to return the default Unix entity mode if none is set in the Tar file.
boolean	isEmpty() Is this directory entry empty? (I.e: does it not contain any child entries?)

Methods inherited from class org.at4j.tar.TarEntry

getChecksum, getEntityMode, getLastModificationTime, getOwnerGid, getOwnerUid

Methods inherited from class org.at4j.archive.AbstractArchiveEntry

getCollaborator, getLocation, getName, getParent, getReadLock, isReadLockedByCurrentThread, lockForReading

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.at4j.archive.ArchiveEntry

getLocation, getParent

Methods inherited from interface org.entityfs.Named

getName

Methods inherited from interface org.entityfs.lock.ReadLockable

getReadLock, isReadLockedByCurrentThread, lockForReading

Method Detail

getDefaultEntityMode

protected UnixEntityMode getDefaultEntityMode()

Description copied from class: TarEntry

Subclasses implement this to return the default Unix entity mode if none is set in the Tar file. This is called from the constructor.

Specified by:

getDefaultEntityMode in class TarEntry

Returns:

The default entity mode for the entry type.

getChildEntries

public Map<String,TarEntry> getChildEntries()

Get a read only map containing this directory entry's child entries, keyed under their (file) names.

Specified by:

getChildEntries in interface ArchiveDirectoryEntry<TarEntry,TarDirectoryEntry>

Returns:

A read only map containing this directory entry's child entries. This may be empty, but never null.

isEmpty

public boolean isEmpty()

Description copied from interface: ArchiveDirectoryEntry

Is this directory entry empty? (I.e: does it not contain any child entries?)

Specified by:

isEmpty in interface ArchiveDirectoryEntry<TarEntry,TarDirectoryEntry>

Returns:

true if the directory entry is empty.