org.metasyntactic.io.filesystem
Class AbstractFileSystem

java.lang.Object
  |
  +--org.metasyntactic.io.filesystem.AbstractFileSystem

All Implemented Interfaces:

FileSystem

Direct Known Subclasses:

DOMFileSystem, IMAPFileSystem, ZipFileSystem

public abstract class AbstractFileSystem

extends java.lang.Object

implements FileSystem

Field Summary

protected Directory

mountedIn The Directory (of another FileSystem) that I am mounted in

Fields inherited from interface org.metasyntactic.io.filesystem.FileSystem

ESCAPE, ESCAPE_CHAR, SEPARATOR, SEPARATOR_CHAR

Constructor Summary

AbstractFileSystem()

Method Summary

Entry	getEntry(java.lang.String name) Returns the entry denoted by this abstract path string.
Entry	getEntry(java.lang.String name, Directory start)
Directory	getParent() Returns the Directory of the FileSystem that this FileSystem is mounted in, or null if this FileSystem is not mounted in another
static void	main(java.lang.String[] args)
void	mount(FileSystem other, Directory mountInto, java.lang.String name) Mounts the other file system into the specified directroy of this file system and gives it the name "name"
void	mount(FileSystem other, java.lang.String name)
Directory	setParent(Directory dir) Sets the directory that this FileSystem is mounted in.
java.lang.String	toString()
FileSystem	unMount(Directory mountedInto, java.lang.String name) Unmounts the FileSystem with hte given name from teh specified directory and returns it

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.metasyntactic.io.filesystem.FileSystem

getRoot

Field Detail

mountedIn

protected Directory mountedIn

The Directory (of another FileSystem) that I am mounted in

Constructor Detail

AbstractFileSystem

public AbstractFileSystem()

Method Detail

mount

public void mount(FileSystem other,
                  java.lang.String name)
           throws NoPermissionException

NoPermissionException

mount

public void mount(FileSystem other,
                  Directory mountInto,
                  java.lang.String name)
           throws NoPermissionException

Description copied from interface: FileSystem

Mounts the other file system into the specified directroy of this file system and gives it the name "name"

Specified by:

mount in interface FileSystem

NoPermissionException

unMount

public FileSystem unMount(Directory mountedInto,
                          java.lang.String name)
                   throws NoPermissionException

Description copied from interface: FileSystem

Unmounts the FileSystem with hte given name from teh specified directory and returns it

Specified by:

unMount in interface FileSystem

Returns:

The now Unmounted FileSystem

NoPermissionException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getEntry

public Entry getEntry(java.lang.String name)
               throws NoPermissionException,
                      EntryNotFoundException

Description copied from interface: FileSystem

Returns the entry denoted by this abstract path string.

Specified by:

getEntry in interface FileSystem

NoPermissionException

EntryNotFoundException

getParent

public Directory getParent()

Description copied from interface: FileSystem

Returns the Directory of the FileSystem that this FileSystem is mounted in, or null if this FileSystem is not mounted in another

Specified by:

getParent in interface FileSystem

setParent

public Directory setParent(Directory dir)

Description copied from interface: FileSystem

Sets the directory that this FileSystem is mounted in. Should only be called by the mounting FileSystem. Returns the old value that getParent() would have returned

Specified by:

setParent in interface FileSystem

getEntry

public Entry getEntry(java.lang.String name,
                      Directory start)
               throws NoPermissionException,
                      EntryNotFoundException

NoPermissionException

EntryNotFoundException

main

public static void main(java.lang.String[] args)