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Eclipse Platform
Release 3.0

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org.eclipse.ui.dialogs
Class FileSystemElement

java.lang.Object
  org.eclipse.ui.dialogs.FileSystemElement

All Implemented Interfaces:

IAdaptable

public class FileSystemElement

extends Object

implements IAdaptable

Instances of this class represent files or file-like entities (eg.- zip file entries) on the local file system. They do not represent resources within the workbench. This distinction is made because the representation of a file system resource is significantly different from that of a workbench resource. If self represents a collection (eg.- file system directory, zip directory) then its icon will be the folderIcon static field. Otherwise (ie.- self represents a file system file) self's icon is stored in field "icon", and is determined by the extension of the file that self represents. This class is adaptable, and implements one adapter itself, namely the IWorkbenchAdapter adapter used for navigation and display in the workbench.

Constructor Summary

FileSystemElement(String name, FileSystemElement parent, boolean isDirectory)
Creates a new FileSystemElement and initializes it and its parent if applicable.

Method Summary

void	addChild(FileSystemElement child) Adds the passed child to this object's collection of children.
Object	getAdapter(Class adapter) Returns the adapter
String	getFileNameExtension() Returns the extension of this element's filename.
AdaptableList	getFiles() Answer the files property of this element.
Object	getFileSystemObject() Returns the file system object property of this element
AdaptableList	getFolders() Returns a list of the folders that are immediate children of this folder.
FileSystemElement	getParent() Return the parent of this element.
boolean	isDirectory()
void	removeFolder(FileSystemElement child) Removes a sub-folder from this file system element.
void	setFileSystemObject(Object value) Set the file system object property of this element
void	setParent(FileSystemElement element) Sets the parent of this file system element.
String	toString() For debugging purposes only.

Methods inherited from class java.lang.Object

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

Constructor Detail

FileSystemElement

public FileSystemElement(String name,
                         FileSystemElement parent,
                         boolean isDirectory)

Creates a new FileSystemElement and initializes it and its parent if applicable.

Parameters:

name - The name of the element

parent - The parent element. May be null

isDirectory - if true this is representing a directory, otherwise it is a file.

Method Detail

addChild

public void addChild(FileSystemElement child)

Adds the passed child to this object's collection of children.

Parameters:

child - FileSystemElement

getAdapter

public Object getAdapter(Class adapter)

Returns the adapter

Specified by:

getAdapter in interface IAdaptable

Parameters:

adapter - the adapter class to look up

Returns:

a object castable to the given class, or null if this object does not have an adapter for the given class

getFileNameExtension

public String getFileNameExtension()

Returns the extension of this element's filename.

Returns:

The extension or an empty string if there is no extension.

getFiles

public AdaptableList getFiles()

Answer the files property of this element. Answer an empty list if the files property is null. This method should not be used to add children to the receiver. Use addChild(FileSystemElement) instead.

Returns:

AdaptableList The list of files parented by the receiver.

getFileSystemObject

public Object getFileSystemObject()

Returns the file system object property of this element

Returns:

the file system object

getFolders

public AdaptableList getFolders()

Returns a list of the folders that are immediate children of this folder. Answer an empty list if the folders property is null. This method should not be used to add children to the receiver. Use addChild(FileSystemElement) instead.

Returns:

AdapatableList The list of folders parented by the receiver.

getParent

public FileSystemElement getParent()

Return the parent of this element.

Returns:

the parent file system element, or null if this is the root

isDirectory

public boolean isDirectory()

Returns:

boolean true if this element represents a directory, and false otherwise.

removeFolder

public void removeFolder(FileSystemElement child)

Removes a sub-folder from this file system element.

Parameters:

child - The child to remove.

setFileSystemObject

public void setFileSystemObject(Object value)

Set the file system object property of this element

Parameters:

value - the file system object

setParent

public void setParent(FileSystemElement element)

Sets the parent of this file system element.

Parameters:

element - The new parent.

toString

public String toString()

For debugging purposes only.