filenamesuffixfilter.java

FuncPlotter is a combined Java application and applet for displaying two-dimensional plots of explic

/*====================================================================*\

FilenameSuffixFilter.java

Filename suffix filter class.

------------------------------------------------------------------------

This file is part of FuncPlotter, a combined Java application and applet
for plotting explicit functions in one variable.
Copyright 2005-2007 Andy Morgan-Richards.

FuncPlotter is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation, either version 3 of the License, or (at your
option) any later version.

This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

You should have received a copy of the GNU General Public License along
with this program.  If not, see <http://www.gnu.org/licenses/>.

\*====================================================================*/


// PACKAGE


package util;

//----------------------------------------------------------------------


// IMPORTS


import java.io.File;

//----------------------------------------------------------------------


// FILENAME SUFFIX FILTER CLASS


public class FilenameSuffixFilter
    extends javax.swing.filechooser.FileFilter
    implements java.io.FileFilter
{

////////////////////////////////////////////////////////////////////////
//  Constructors
////////////////////////////////////////////////////////////////////////

    public FilenameSuffixFilter( String suffix,
                                 String description )
    {
        this.suffixes = new String[1];
        suffixes[0] = suffix.toLowerCase( );
        this.description = description;
    }

    //------------------------------------------------------------------

    public FilenameSuffixFilter( String[] suffixes,
                                 String   description )
    {
        this.suffixes = new String[suffixes.length];
        for ( int i = 0; i < suffixes.length; ++i )
            this.suffixes[i] = suffixes[i].toLowerCase( );
        this.description = description;
    }

    //------------------------------------------------------------------

////////////////////////////////////////////////////////////////////////
//  Instance methods : FileFilter interface
////////////////////////////////////////////////////////////////////////

    public boolean accept( File file )
    {
        if ( file.isDirectory( ) )
            return true;
        String filename = file.getName( ).toLowerCase( );
        for ( String suffix : suffixes )
        {
            if ( filename.endsWith( suffix ) )
                return true;
        }
        return false;
    }

    //------------------------------------------------------------------

////////////////////////////////////////////////////////////////////////
//  Instance methods
////////////////////////////////////////////////////////////////////////

    public String getSuffix( int index )
    {
        return suffixes[index];
    }

    //------------------------------------------------------------------

    public String getDescription( )
    {
        return description;
    }

    //------------------------------------------------------------------

////////////////////////////////////////////////////////////////////////
//  Instance variables
////////////////////////////////////////////////////////////////////////

    private String[]    suffixes;
    private String      description;

}

//----------------------------------------------------------------------