Package org.eclipse.ui.dialogs
Class FileSystemElement
- java.lang.Object
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- org.eclipse.ui.dialogs.FileSystemElement
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- 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.
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Constructor Summary
Constructors Constructor Description FileSystemElement(String name, FileSystemElement parent, boolean isDirectory)
Creates a newFileSystemElement
and initializes it and its parent if applicable.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
addChild(FileSystemElement child)
Adds the passed child to this object's collection of children.<T> T
getAdapter(Class<T> adapter)
Returns the adapterString
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 elementAdaptableList
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 elementvoid
setParent(FileSystemElement element)
Sets the parent of this file system element.String
toString()
For debugging purposes only.
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Constructor Detail
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FileSystemElement
public FileSystemElement(String name, FileSystemElement parent, boolean isDirectory)
Creates a newFileSystemElement
and initializes it and its parent if applicable.- Parameters:
name
- The name of the elementparent
- The parent element. May benull
isDirectory
- iftrue
this is representing a directory, otherwise it is a file.
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Method Detail
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addChild
public void addChild(FileSystemElement child)
Adds the passed child to this object's collection of children.- Parameters:
child
- FileSystemElement
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getAdapter
public <T> T getAdapter(Class<T> adapter)
Returns the adapter- Specified by:
getAdapter
in interfaceIAdaptable
- Type Parameters:
T
- the class type- Parameters:
adapter
- the adapter class to look up- Returns:
- a object of the given class,
or
null
if this object does not have an adapter for the given class
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getFileNameExtension
public String getFileNameExtension()
Returns the extension of this element's filename.- Returns:
- The extension or an empty string if there is no extension.
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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.
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getFileSystemObject
public Object getFileSystemObject()
Returns the file system object property of this element- Returns:
- the file system object
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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.
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getParent
public FileSystemElement getParent()
Return the parent of this element.- Returns:
- the parent file system element, or
null
if this is the root
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isDirectory
public boolean isDirectory()
- Returns:
- boolean
true
if this element represents a directory, andfalse
otherwise.
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removeFolder
public void removeFolder(FileSystemElement child)
Removes a sub-folder from this file system element.- Parameters:
child
- The child to remove.
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setFileSystemObject
public void setFileSystemObject(Object value)
Set the file system object property of this element- Parameters:
value
- the file system object
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setParent
public void setParent(FileSystemElement element)
Sets the parent of this file system element.- Parameters:
element
- The new parent.
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