info.monitorenter.gui.chart.io
Class FileFilterExtensions

java.lang.Object
  javax.swing.filechooser.FileFilter
      info.monitorenter.gui.chart.io.FileFilterExtensions

All Implemented Interfaces:

INameFilter

public final class FileFilterExtensions
extends javax.swing.filechooser.FileFilter
implements INameFilter

Configureable implementation of FileFilter that filters files by their extension (e.g.: ".txt").

The extension Strings are provided to the constructor (no configuration of initialized instance provided yet) and have to be the sole extension without the dot.

This class is most often used to configure JFileChooser dialogs. Therefore it accepts all directories to allow browsing.

Example usage:

... JFileChooser fileChooser = new JFileChooser(); FileFilter soundFileFilter = new FileFilterExtensions(new String[]{"wav","mp3"}); fileChooser.setFileFilter(soundFileFilter); ...

Author:

Constructor Summary

FileFilterExtensions(java.lang.String[] extensionsWithoutDot)
Creates an instance that will accept files with the given extensions.

Method Summary

boolean	accept(java.io.File pathname)
boolean	accept(java.lang.String urlstring) Accept the file denoted by the given url String.
java.lang.String	getDescription()

Methods inherited from class java.lang.Object

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

Constructor Detail

FileFilterExtensions

public FileFilterExtensions(java.lang.String[] extensionsWithoutDot)
                     throws java.lang.IllegalArgumentException

Creates an instance that will accept files with the given extensions.

Parameters:

extensionsWithoutDot - A String[] containing extension strings without the dot like: new String[]{"bat","txt","dict"} .

Throws:

java.lang.IllegalArgumentException - if the given extensions are inivalid.

Method Detail

accept

public boolean accept(java.io.File pathname)

Specified by:

accept in class javax.swing.filechooser.FileFilter

See Also:

FileFilter.accept(java.io.File)

accept

public boolean accept(java.lang.String urlstring)

Description copied from interface: INameFilter

Accept the file denoted by the given url String.

Specified by:

accept in interface INameFilter

Parameters:

urlstring - a String in url format denoting a file.

Returns:

true if the file denoted by the given url String is accepted.

See Also:

INameFilter.accept(String)

getDescription

public java.lang.String getDescription()

Specified by:

getDescription in class javax.swing.filechooser.FileFilter

See Also:

FileFilter.getDescription()