alvinalexander.com | career | drupal | java | mac | mysql | perl | scala | uml | unix  

What this is

This file is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Other links

The source code

// $Header: /home/cvs/jakarta-jmeter/src/core/org/apache/jmeter/gui/JMeterFileFilter.java,v 1.4 2004/02/13 02:21:37 sebb Exp $
/*
 * Copyright 2001-2004 The Apache Software Foundation.
 *
 * 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.
 * 
*/

package org.apache.jmeter.gui;

import java.io.File;
import java.util.Arrays;

/**
 * A file filter which allows files to be filtered based on a list of allowed
 * extensions.
 *
 * @author  unknown
 * @version $Revision: 1.4 $
 */
public class JMeterFileFilter
    extends javax.swing.filechooser.FileFilter
    implements java.io.FileFilter
{
    /** The list of extensions allowed by this filter. */
    private String[] exts;

    /**
     * Create a new JMeter file filter which allows the specified extensions.
     * If the array of extensions contains no elements, any file will be
     * allowed.
     * 
     * @param extensions non-null array of allowed file extensions
     */
    public JMeterFileFilter(String[] extensions)
    {
        exts = extensions;
    }

    /**
     * Determine if the specified file is allowed by this filter.  The file
     * will be allowed if it is a directory, or if the end of the filename
     * matches one of the extensions allowed by this filter.  The filename is
     * converted to lower-case before making the comparison.
     * 
     * @param f the File being tested
     * 
     * @return true if the file should be allowed, false otherwise
     */
    public boolean accept(File f)
    {
        return f.isDirectory() || accept(f.getName().toLowerCase());
    }

    /**
     * Determine if the specified filename is allowed by this filter.  The file
     * will be allowed if the end of the filename matches one of the extensions
     * allowed by this filter.  The comparison is case-sensitive.  If no
     * extensions were provided for this filter, the file will always be
     * allowed.
     *   
     * @param filename the filename to test
     * @return         true if the file should be allowed, false otherwise
     */
    public boolean accept(String filename)
    {
        if (exts.length == 0)
        {
            return true;
        }
        
        for (int i = 0; i < exts.length; i++)
        {
            if (filename.endsWith(exts[i]))
            {
                return true;
            }
        }
        
        return false;
    }

    /**
     * Get a description for this filter.
     * 
     * @return a description for this filter
     */
    public String getDescription()
    {
        return "JMeter " + Arrays.asList(exts).toString();
    }
}
... this post is sponsored by my books ...

#1 New Release!

FP Best Seller

 

new blog posts

 

Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.