};
txtJarPath.addListener(SWT.Modify, listener);
btnJar.addListener(SWT.Selection, listener);
txtFolderPath.addListener(SWT.Modify, listener);
btnFolder.addListener(SWT.Selection, listener);
btnBrowseJar.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
FileDialog dialog = new FileDialog(getShell(), SWT.SAVE);