se.entitymanager.logic.file
Class AbstractFile

java.lang.Object
  se.entitymanager.logic.file.AbstractFile

All Implemented Interfaces:

EntityInterface

Direct Known Subclasses:

DirectoryFile, FileSystemsRootFile, RegularFile, ZipFile, ZippedDirectoryFile, ZippedFile

public abstract class AbstractFile
extends java.lang.Object
implements EntityInterface

An entity that represents an file of the file system.

Field Summary

protected java.lang.String	fileContents The contents of this file.
protected java.lang.String	lastModified The date of last modification of this file.
protected java.lang.String	name The name of this file (without path informations).
protected AbstractFile	parent Parent file of this entity.
protected boolean	readable Indicates if file is readable.
protected java.lang.String	size The size of this file.
protected boolean	writeable Indicates if file is writable.

Constructor Summary

protected

AbstractFile(java.lang.String name, AbstractFile parent) Constructs a file entity with name and parent.

Method Summary

protected abstract void	copy() Copy this file.
protected abstract void	delete() Deletes this file.
protected abstract java.util.List	getAllChildren() Returns all direct child files.
abstract java.lang.String	getFileContents() Returns the contents of this file.
java.lang.String	getLastModified() Returns date of modification of this file.
java.lang.String	getName() Returns the name of this file without path informations.
protected AbstractFile	getParent() Returns the parent file.
java.lang.String	getSize() Returns the size of this file.
protected abstract boolean	isFolderish() Returns whether this file is folderish.
boolean	isReadable() Returns if file is readable.
boolean	isWriteable() Returns if file is writable.
protected abstract void	paste() Paste the file from the clipboard.
protected abstract void	rename(java.lang.String newName) Renames this file to newName.
protected void	setName(java.lang.String name) Sets the name of this file.
java.lang.String	toString() Returns the name of this file.

Methods inherited from class java.lang.Object

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

Field Detail

parent

protected AbstractFile parent

Parent file of this entity.

name

protected java.lang.String name

The name of this file (without path informations).

size

protected java.lang.String size

The size of this file.

lastModified

protected java.lang.String lastModified

The date of last modification of this file.

fileContents

protected java.lang.String fileContents

The contents of this file.

readable

protected boolean readable

Indicates if file is readable.

writeable

protected boolean writeable

Indicates if file is writable.

Constructor Detail

AbstractFile

protected AbstractFile(java.lang.String name,
                       AbstractFile parent)

Constructs a file entity with name and parent.

Parameters:

name - name of file (without path information)

parent - parent file of this entity

Method Detail

toString

public java.lang.String toString()

Returns the name of this file.

Overrides:

toString in class java.lang.Object

Returns:

the name of this file

See Also:

getName()

isFolderish

protected abstract boolean isFolderish()

Returns whether this file is folderish.

Folderish files like directories or zip files may contain other files.

Returns:

true if this file is folderish, false otherwise

getAllChildren

protected abstract java.util.List getAllChildren()
                                          throws EntityNotFolderishException

Returns all direct child files.

The objects within the list are instances derived from AbstractFile

Returns:

child files

Throws:

EntityNotFolderishException - if this file is not folderish

rename

protected abstract void rename(java.lang.String newName)
                        throws EntityRenameFailedException

Renames this file to newName.

Parameters:

newName - new name of this file.

Throws:

EntityRenameFailedException - if an error occurred

delete

protected abstract void delete()
                        throws EntityDeletionFailedException

Deletes this file.

Throws:

EntityDeletionFailedException - if an error occurred

copy

protected abstract void copy()
                      throws EntityCopyCutFailedException

Copy this file.

Throws:

EntityCopyCutFailedException - if an error occurred

paste

protected abstract void paste()
                       throws EntityPasteFailedException

Paste the file from the clipboard.

Throws:

EntityPasteFailedException - if an error occurred

getFileContents

public abstract java.lang.String getFileContents()

Returns the contents of this file.

Returns:

size of file

getParent

protected AbstractFile getParent()

Returns the parent file.

Returns:

parent file, null if this file is instance of FileSystemsRootFile

getName

public java.lang.String getName()

Returns the name of this file without path informations.

Returns:

name of file

getSize

public java.lang.String getSize()

Returns the size of this file.

Returns:

size of file

getLastModified

public java.lang.String getLastModified()

Returns date of modification of this file.

Returns:

date of modification of file

isReadable

public boolean isReadable()

Returns if file is readable.

Returns:

true if file is readable, otherwise false

isWriteable

public boolean isWriteable()

Returns if file is writable.

Returns:

true if file is writable, otherwise false

setName

protected void setName(java.lang.String name)

Sets the name of this file.

Parameters:

name - name of file.