public void save() {
boolean isNoticed = false;
if (!notice.isVisible()) {
isNoticed = true;
notice.setVisible(true);
notice.setText("Saving...");
}
if (getOptions() != null) {
DB database = null;
try {
database = factory.open(this.leveldbStore.getSelectedFile(), getOptions());
DBIterator iterator = database.iterator();
HashSet<byte[]> keys = new HashSet<>();
for (iterator.seekToFirst(); iterator.hasNext(); iterator.next()) {
keys.add(iterator.peekNext().getKey());
}
iterator.close();
for (byte[] key : keys) {
database.delete(key);
}
for (int i = 0; i < dataList.getModel().getSize(); ++i) {
DBItem item = dataList.getModel().getElementAt(i);
database.put(item.key, item.value);
}
} catch (Exception e) {
JOptionPane.showMessageDialog(pane, "Unable to open database:\n" + e);
e.printStackTrace();
} finally {
if (database != null) {
try {
database.close();
} catch (IOException e) {
JOptionPane.showMessageDialog(pane, "Unable to close database:\n" + e);
e.printStackTrace();
}
}
saveButton.setEnabled(false);
}
}
if (isNoticed) {
try {
Thread.sleep(100);
} catch (InterruptedException e) {
e.printStackTrace();
}
notice.setVisible(false);
notice.setText("");
}
}
