// prompt user for file for writing
private void initWrite() {
File f = FileSelector.saveFile();
if (f == null) {
throw new ResourceException("FileResource: no file choosen for writing");
} else {
initWrite(f);
}
}
// Prompt user for file to open
private void initRead() {
File f = FileSelector.selectFile();
if (f == null) {
throw new ResourceException("FileResource: no file choosen for reading");
} else {
initRead(f);
}
}