Package fr.esrf.tangoatk.widget.util

Class MultiExtFileFilter

java.lang.Object

javax.swing.filechooser.FileFilter

fr.esrf.tangoatk.widget.util.MultiExtFileFilter

public class MultiExtFileFilter
extends FileFilter

A file filter that can accept multiple extensions (as for jpg, jpe, jpeg). The description is automatically computed with the prefix followed by the list of extensions.

Author:

MAINGUY

Field Summary

Fields

Modifier and Type	Field	Description
protected String	description
protected List<String>	extensions
protected String	prefix

Constructor Summary

Constructors

Constructor	Description
MultiExtFileFilter(String filterDescription, String defaultExtension, String... otherExtensions)

Method Summary

Modifier and Type	Method	Description
boolean	accept(File f)
protected void	computeDescription()	Compute the whole description for the filter.
String	getDefaultExtension()	Return the default extension.
String	getDescription()
static String	getExtension(File f)	returns the extension of a given file, that is the part after the last '.' in the filename.
boolean	isAccepted(String fileExtension)	Return true if the specified extension is accepted by the filter.
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

prefix

protected String prefix

extensions

protected List<String> extensions

description

protected String description

Constructor Details

MultiExtFileFilter

public MultiExtFileFilter(String filterDescription,
 String defaultExtension,
 String... otherExtensions)

Parameters:

filterDescription - the description of the type of accepted files

defaultExtension - a default extension. It ensures we have at least one extension.

otherExtensions - more extensions for this type of files

Method Details

accept

public boolean accept(File f)

Specified by:

accept in class FileFilter

getDescription

public String getDescription()

Specified by:

getDescription in class FileFilter

isAccepted

public boolean isAccepted(String fileExtension)

Return true if the specified extension is accepted by the filter.

Parameters:

fileExtension - the fileExtension to test

Returns:

true if the filter would accept this extension, false otherwise or if the extension is null

getDefaultExtension

public String getDefaultExtension()

Return the default extension. It can be useful when saving a file whose filename has no extension specified.

Returns:

the default extension.

computeDescription

protected void computeDescription()

Compute the whole description for the filter. User description is followed by allowed extensions as a list.

toString

public String toString()

Overrides:

toString in class Object

getExtension

public static String getExtension(File f)

returns the extension of a given file, that is the part after the last '.' in the filename. Result is in lower case.

Parameters:

f - the file

Returns:

the extension if any, null otherwise