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("");
}
}
public void update(JTextArea area) {
DBItem item = dataList.getSelectedValue();
if (item != null && !isSet) {
isSet = true;
try {
if (area == hexKey) {
if (area.getText().isEmpty()) {
return;
}
item.key =
new BigInteger(area.getText().replaceAll("\n", "").replaceAll("%\\{EOL}", "\n"), 16)
.toByteArray();
stringKey.setText(cutToLine(new String(item.key), 64));
dataList.updateUI();
} else if (area == stringKey) {
if (area.getText().isEmpty()) {
return;
}
item.key = area.getText().replaceAll("\n", "").replaceAll("%\\{EOL}", "\n").getBytes();
hexKey.setText(cutToLine(LevelDBViewer.toHexString(item.key), 64));
dataList.updateUI();
} else if (area == hexValue) {
item.value =
new BigInteger(area.getText().replaceAll("\n", "").replaceAll("%\\{EOL}", "\n"), 16)
.toByteArray();
stringValue.setText(cutToLine(new String(item.value), 64));
} else if (area == stringValue) {
item.value = area.getText().replaceAll("\n", "").replaceAll("%\\{EOL}", "\n").getBytes();
hexValue.setText(cutToLine(LevelDBViewer.toHexString(item.value), 64));
}
notice.setVisible(false);
notice.setText("");
saveButton.setEnabled(true);
} catch (Exception e) {
notice.setVisible(true);
notice.setText("Invalid number!");
} finally {
lengthLabel.setText(String.valueOf(item.value.length + item.key.length));
keyLength.setText(String.valueOf(item.key.length));
valueLength.setText(String.valueOf(item.value.length));
isSet = false;
}
}
}