public class Utils {
- public static String getFileExtension(File file) {
- // extract file name without file name extension
- String fullFileName = file.getName();
-
- int dot = fullFileName.lastIndexOf('.');
- String fileExtension;
- if (dot == -1) {
- fileExtension = "";
- } else {
- fileExtension = fullFileName.substring(dot + 1);
- fileExtension = fileExtension.toLowerCase();
- }
-
- return fileExtension;
- }
-
public static void setComponentSize(JComponent component, Dimension size) {
component.setMinimumSize(size);
component.setMaximumSize(size);