gate.util
Class ExtensionFileFilter

java.lang.Object
  javax.swing.filechooser.FileFilter
      gate.util.ExtensionFileFilter

All Implemented Interfaces:

FileFilter

public class ExtensionFileFilter
extends FileFilter
implements FileFilter

Implementation of a file name filter. This class is used by JFileChooser to filter the displayed files by their extension.

Field Summary

private List<String>	acceptedExtensions The list of accepted file name extensions.
private String	description The description of this file filter.

Constructor Summary

ExtensionFileFilter()
Builds a new ExtensionFileFilter.

ExtensionFileFilter(String description, String... extensions)
Creates a FileNameExtensionFilter with the specified description and file name extensions.

Method Summary

boolean	accept(File f) Checks a file for compliance with the requested extensions.
void	addExtension(String extension) Adds a new extension to the list of accepted extensions.
String	getDescription() Returns the user-frielndly description for the files, e.g.
String[]	getExtensions()
void	setDescription(String description) Sets the user friendly description for the accepted files.
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

acceptedExtensions

private List<String> acceptedExtensions

The list of accepted file name extensions.

description

private String description

The description of this file filter.

Constructor Detail

ExtensionFileFilter

public ExtensionFileFilter()

Builds a new ExtensionFileFilter.

ExtensionFileFilter

public ExtensionFileFilter(String description,
                           String... extensions)

Creates a FileNameExtensionFilter with the specified description and file name extensions. The returned FileNameExtensionFilter will accept all directories and any file with a file name extension contained in extensions.

Parameters:

description - textual description for the filter, may be null

extensions - the accepted file name extensions

Method Detail

accept

public boolean accept(File f)

Checks a file for compliance with the requested extensions.

Specified by:

accept in interface FileFilter

Specified by:

accept in class FileFilter

Parameters:

f - file to test with this filter

getDescription

public String getDescription()

Returns the user-frielndly description for the files, e.g. "Text files"

Specified by:

getDescription in class FileFilter

addExtension

public void addExtension(String extension)

Adds a new extension to the list of accepted extensions.

Parameters:

extension - file extension used to filter files

setDescription

public void setDescription(String description)

Sets the user friendly description for the accepted files.

Parameters:

description - description for this file filter

getExtensions

public String[] getExtensions()

Returns:

the set of file name extensions files are tested against

toString

public String toString()

Overrides:

toString in class Object

Returns:

a string representation of this file filter.