edu.northwestern.at.utils.swing
Class FileExtensionFilter

java.lang.Object
  edu.northwestern.at.utils.swing.FileExtensionFilter

All Implemented Interfaces:

ExtendedFileNameFilter, java.io.FilenameFilter

public class FileExtensionFilter
extends java.lang.Object
implements ExtendedFileNameFilter

File name filter for use with both AWT and Swing file dialogs.

Field Summary

protected java.lang.String	description The filter description.
protected java.lang.String[]	extensions The allowed file name extensions.

Constructor Summary

protected	FileExtensionFilter() Don't allow default instantiation but do allow overrides.
	FileExtensionFilter(java.lang.String[] extensions, java.lang.String description) Create a file name extension filter.
	FileExtensionFilter(java.lang.String extension, java.lang.String description) Create a file name extension filter.

Method Summary

boolean	accept(java.io.File directory, java.lang.String name) Filter files by list of extensions.
java.lang.String	getDescription() Get filter description.
java.lang.String[]	getExtensions() Gets the array of allowed extensions.
void	setDescription(java.lang.String description) Set filter description.
void	setExtensions(java.lang.String[] extensions) Set the file name extensions allowed by the filter.

Methods inherited from class java.lang.Object

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

Field Detail

description

protected java.lang.String description

The filter description.

extensions

protected java.lang.String[] extensions

The allowed file name extensions.

Constructor Detail

FileExtensionFilter

public FileExtensionFilter(java.lang.String[] extensions,
                           java.lang.String description)

Create a file name extension filter.

Parameters:

extensions - Array of allowed extensions.

description - Filter description.

FileExtensionFilter

public FileExtensionFilter(java.lang.String extension,
                           java.lang.String description)

Create a file name extension filter.

Parameters:

extension - Allowed extension.

description - Filter description.

FileExtensionFilter

protected FileExtensionFilter()

Don't allow default instantiation but do allow overrides.

Method Detail

setDescription

public void setDescription(java.lang.String description)

Set filter description.

Parameters:

description - The filter description.

setExtensions

public void setExtensions(java.lang.String[] extensions)

Set the file name extensions allowed by the filter.

Parameters:

extensions - The list of file extensions.

getExtensions

public java.lang.String[] getExtensions()

Gets the array of allowed extensions.

Returns:

The array of extensions.

accept

public boolean accept(java.io.File directory,
                      java.lang.String name)

Filter files by list of extensions.

Specified by:

accept in interface java.io.FilenameFilter

Parameters:

directory - Directory holding file to filter.

name - The file name to filter.

Returns:

true if file is acceptable.

Directories are always accepted.

getDescription

public java.lang.String getDescription()

Get filter description.

Specified by:

getDescription in interface ExtendedFileNameFilter