Here you can find the source of createFileChooser(String title, File dir, String filter)
public static JFileChooser createFileChooser(String title, File dir, String filter)
//package com.java2s; /*//from ww w. ja v a 2s .c o m * Copyright (c) 2008, AIST, the University of Tokyo and General Robotix Inc. * All rights reserved. This program is made available under the terms of the * Eclipse Public License v1.0 which accompanies this distribution, and is * available at http://www.eclipse.org/legal/epl-v10.html * Contributors: * General Robotix Inc. * National Institute of Advanced Industrial Science and Technology (AIST) */ import java.io.File; import javax.swing.JFileChooser; import javax.swing.filechooser.FileFilter; public class Main { public static JFileChooser createFileChooser(String title, File dir, String filter) { return createFileChooser(title, dir, new String[] { filter }); } public static JFileChooser createFileChooser(String title, File dir, String[] filter) { JFileChooser jFileChooser = new JFileChooser(); // title if (title != null) jFileChooser.setDialogTitle(title); // directory if (dir == null) dir = new File(System.getProperty("user.dir")); jFileChooser.setCurrentDirectory(dir); // filter FileFilter[] ff = jFileChooser.getChoosableFileFilters(); for (int i = 1; i < ff.length; i++) jFileChooser.removeChoosableFileFilter(ff[i]); for (int i = 0; i < filter.length; i++) { if (filter[i] != null && !filter[i].equals("")) jFileChooser .addChoosableFileFilter(createFileFilter(filter[i])); } return jFileChooser; } public static FileFilter createFileFilter(final String filter) { return new FileFilter() { public boolean accept(File f) { String ext = ""; String path = f.getPath(); int idx = path.lastIndexOf('.'); if (idx > 0) { ext = path.substring(idx + 1).toLowerCase(); if (ext.equals(filter)) return true; } return f.isDirectory(); } public String getDescription() { return filter + " files (*." + filter + ")"; } }; } }