org.metasyntactic.io.filesystem
Class AbstractDirectory

java.lang.Object
  |
  +--org.metasyntactic.io.filesystem.AbstractEntry
        |
        +--org.metasyntactic.io.filesystem.AbstractDirectory

All Implemented Interfaces:

Directory, Entry, TreeConstants

public abstract class AbstractDirectory

extends AbstractEntry

implements Directory, TreeConstants

Field Summary

protected java.util.Map	nameToMount
protected Directory	parent

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

PARENT_DIRECTORY, THIS_DIRECTORY

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

TERMINAL, TERMINAL_BLANK, TERMINAL_HORIZONTAL, TERMINAL_UP_AND_RIGHT, TERMINAL_VERTICAL, TERMINAL_VERTICAL_AND_RIGHT, UNICODE, UNICODE_BLANK, UNICODE_HORIZONTAL, UNICODE_UP_AND_RIGHT, UNICODE_VERTICAL, UNICODE_VERTICAL_AND_RIGHT

Constructor Summary

AbstractDirectory()

Method Summary

boolean	addEntry(Entry entry) Adds the specified entry to this directory
boolean	containsEntry(Entry entry) Returns true if the specified entry is contained within this directory
Entry	getEntry(java.lang.String name) Returns the entry in this directory with this name, or null of that entry didn't exist.
Directory	getParent() Returns this parent of this Directory.
java.util.List	listEntries(EntryFilter filter) Returns an array of all the entries in this Directory satisfying the specified filter
void	mount(FileSystem other, java.lang.String name) Mounts the specified FileSystem into this Directory with a name of "name"
boolean	removeEntry(Entry entry) Removes the specified entry from this directory
java.lang.String	toString()
FileSystem	unMount(java.lang.String name) Unmounts the specified FileSystem making it unavailable from this directory

Methods inherited from class org.metasyntactic.io.filesystem.AbstractEntry

getPath, isLegal

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.Directory

getLastModified, listEntries

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

delete, equals, getFileSystem, getName, getPath, hashCode

Field Detail

parent

protected Directory parent

nameToMount

protected java.util.Map nameToMount

Constructor Detail

AbstractDirectory

public AbstractDirectory()

Method Detail

mount

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

Description copied from interface: Directory

Mounts the specified FileSystem into this Directory with a name of "name"

Specified by:

mount in interface Directory

Throws:

NoPermissionException - when the User is not allowed to mount a FileSystem in this directory

unMount

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

Description copied from interface: Directory

Unmounts the specified FileSystem making it unavailable from this directory

Specified by:

unMount in interface Directory

NoPermissionException

getParent

public Directory getParent()
                    throws NoPermissionException

Returns this parent of this Directory. This implementation will traverse to the FileSystem this FileSystem is mounted in if one exists

Specified by:

getParent in interface Entry

NoPermissionException

addEntry

public boolean addEntry(Entry entry)
                 throws NoPermissionException

Description copied from interface: Directory

Adds the specified entry to this directory

Specified by:

addEntry in interface Directory

Returns:

true If and only if the addition was successful

NoPermissionException

removeEntry

public boolean removeEntry(Entry entry)
                    throws NoPermissionException

Description copied from interface: Directory

Removes the specified entry from this directory

Specified by:

removeEntry in interface Directory

NoPermissionException

containsEntry

public boolean containsEntry(Entry entry)
                      throws NoPermissionException

Description copied from interface: Directory

Returns true if the specified entry is contained within this directory

Specified by:

containsEntry in interface Directory

NoPermissionException

getEntry

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

Description copied from interface: Directory

Returns the entry in this directory with this name, or null of that entry didn't exist.

Specified by:

getEntry in interface Directory

Returns:

The entry that this name maps to

NoPermissionException

listEntries

public java.util.List listEntries(EntryFilter filter)
                           throws NoPermissionException

Description copied from interface: Directory

Returns an array of all the entries in this Directory satisfying the specified filter

Specified by:

listEntries in interface Directory

Returns:

An array of Entries representing all the Entries in this directory

Throws:

NoPermissionException - if the user does not have permission to list in this directory

toString

public java.lang.String toString()

Specified by:

toString in interface Entry

Overrides:

toString in class AbstractEntry