/*
 * Copyright (C) 2012 Sony Mobile Communications AB
 *
 * This file is part of ApkAnalyser.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 * $Id: DefaultFileFilter.java,v 1.1 2009-10-23 11:32:08 gaudenz Exp $
 * Copyright (c) 2001-2005, Gaudenz Alder
 * 
 * All rights reserved.
 * 
 * See LICENSE file for license details. If you are unable to locate
 * this file please contact info (at) jgraph (dot) com.
 */
package andreflect.gui.chart;

import java.io.File;

import javax.swing.JFileChooser;
import javax.swing.filechooser.FileFilter;

/**
 * Filter for use in a {@link JFileChooser}.
 */
public class DefaultFileFilter extends FileFilter
{

    /**
     * Extension of accepted files.
     */
    protected String ext;

    /**
     * Description of accepted files.
     */
    protected String desc;

    /**
     * Constructs a new filter for the specified extension and descpription.
     * 
     * @param extension
     *            The extension to accept files with.
     * @param description
     *            The description of the file format.
     */
    public DefaultFileFilter(String extension, String description)
    {
        ext = extension.toLowerCase();
        desc = description;
    }

    /**
     * Returns true if <code>file</code> is a directory or ends with
     * {@link #ext}.
     * 
     * @param file
     *            The file to be checked.
     * @return Returns true if the file is accepted.
     */
    @Override
    public boolean accept(File file)
    {
        return file.isDirectory() || file.getName().toLowerCase().endsWith(ext);
    }

    /**
     * Returns the description for accepted files.
     * 
     * @return Returns the description.
     */
    @Override
    public String getDescription()
    {
        return desc;
    }

    /**
     * Returns the extension for accepted files.
     * 
     * @return Returns the extension.
     */
    public String getExtension()
    {
        return ext;
    }

    /**
     * Sets the extension for accepted files.
     * 
     * @param extension
     *            The extension to set.
     */
    public void setExtension(String extension)
    {
        ext = extension;
    }
}