lemurproject::lemur::FileExtension Class Reference

List of all members.


Public Member Functions
	FileExtension ()
	FileExtension (String extension)
	FileExtension (String extension, String description)
	FileExtension (String[] filters)
	FileExtension (String[] filters, String description)
boolean	accept (File f)
String	getExtension (File f)
void	addExtension (String extension)
String	getDescription ()
void	setDescription (String description)
void	setExtensionListInDescription (boolean b)
boolean	isExtensionListInDescription ()
Private Attributes
Hashtable	filters = null
String	description = null
String	fullDescription = null
boolean	useExtensionsInDescription = true
Static Private Attributes
String	TYPE_UNKNOWN = "Type Unknown"
String	HIDDEN_FILE = "Hidden File"

Detailed Description

A convenience implementation of FileFilter that filters out all files except for those type extensions that it knows about.

Extensions are of the type ".foo", which is typically found on Windows and Unix boxes, but not on Macinthosh. Case is ignored.

Example - create a new filter that filerts out all files but gif and jpg image files:

JFileChooser chooser = new JFileChooser(); ExampleFileFilter filter = new ExampleFileFilter( new String{"gif", "jpg"}, "JPEG & GIF Images") chooser.addChoosableFileFilter(filter); chooser.showOpenDialog(this);

Version:: 1.13 06/13/02

Author:: Jeff Dinkins

Constructor & Destructor Documentation

lemurproject::lemur::FileExtension::FileExtension ( ) [inline]

Creates a file filter. If no filters are added, then all files are accepted.

See also:
addExtension

lemurproject::lemur::FileExtension::FileExtension ( String extension ) [inline]

Creates a file filter that accepts files with the given extension. Example: new FileExtension("jpg");

See also:
addExtension

lemurproject::lemur::FileExtension::FileExtension ( String extension,

String description

) [inline]

Creates a file filter that accepts the given file type. Example: new FileExtension("jpg", "JPEG Image Images");
Note that the "." before the extension is not needed. If provided, it will be ignored.

See also:
addExtension

lemurproject::lemur::FileExtension::FileExtension ( String[] filters ) [inline]

Creates a file filter from the given string array. Example: new FileExtension(String {"gif", "jpg"});
Note that the "." before the extension is not needed adn will be ignored.

See also:
addExtension

lemurproject::lemur::FileExtension::FileExtension ( String[] filters,

String description

) [inline]

Creates a file filter from the given string array and description. Example: new FileExtension(String {"gif", "jpg"}, "Gif and JPG Images");
Note that the "." before the extension is not needed and will be ignored.

See also:
addExtension

Member Function Documentation

boolean lemurproject::lemur::FileExtension::accept ( File f ) [inline]

Return true if this file should be shown in the directory pane, false if it shouldn't.
Files that begin with "." are ignored.

See also:
getExtension

void lemurproject::lemur::FileExtension::addExtension ( String extension ) [inline]

Adds a filetype "dot" extension to filter against.
For example: the following code will create a filter that filters out all files except those that end in ".jpg" and ".tif":
FileExtension filter = new FileExtension(); filter.addExtension("jpg"); filter.addExtension("tif");
Note that the "." before the extension is not needed and will be ignored.

String lemurproject::lemur::FileExtension::getDescription ( ) [inline]

Returns the human readable description of this filter. For example: "JPEG and GIF Image Files (*.jpg, *.gif)"

String lemurproject::lemur::FileExtension::getExtension ( File f ) [inline]

Return the extension portion of the file's name .

See also:
getExtension
FileFilter#accept

boolean lemurproject::lemur::FileExtension::isExtensionListInDescription ( ) [inline]

Returns whether the extension list (.jpg, .gif, etc) should show up in the human readable description.
Only relevent if a description was provided in the constructor or using setDescription();

void lemurproject::lemur::FileExtension::setDescription ( String description ) [inline]

Sets the human readable description of this filter. For example: filter.setDescription("Gif and JPG Images");

void lemurproject::lemur::FileExtension::setExtensionListInDescription ( boolean b ) [inline]

Determines whether the extension list (.jpg, .gif, etc) should show up in the human readable description.
Only relevent if a description was provided in the constructor or using setDescription();