import java.io.File; import javax.swing.*; import javax.swing.filechooser.*; public class BAT_Filter extends FileFilter { // Accept all directories and bat files. public boolean accept(File f) { if (f.isDirectory()) { return true; } String ext = f.getName().toLowerCase(); if (ext != null) { if (ext.endsWith(".bat")) { return true; } else { return false; } } return false; } public String getDescription() { return "BAT Files"; } }