FileChooserDescriptor () { if (myFileChooserDescriptor == null) { myFileChooserDescriptor = FileChooserDescriptorFactory.createSingleFolderDescriptor(); if (myTitle != null) { myFileChooserDescriptor.setTitle(myTitle); } myFileChooserDescriptor.setShowFileSystemRoots(true); } return myFileChooserDescriptor; }