Java tutorial
//package com.java2s; import java.io.File; import javax.swing.filechooser.FileFilter; public class Main { /** * * Example usage: * <pre> * SwingUtil.createFileFilter("JEQL script (*.jql)", "jql") * </pre> * @param description * @param extension * @return the file filter */ public static FileFilter createFileFilter(final String description, String extension) { final String dotExt = extension.startsWith(".") ? extension : "." + extension; FileFilter ff = new FileFilter() { public String getDescription() { return description; } public boolean accept(File f) { return f.isDirectory() || f.toString().toLowerCase().endsWith(dotExt); } }; return ff; } }