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;
}
}
}
public Viewer() {
leveldbStore.setMultiSelectionEnabled(false);
leveldbStore.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
putButton.setEnabled(false);
key.setEnabled(false);
value.setEnabled(false);
findField.setEnabled(false);
deleteButton.setEnabled(false);
saveButton.setEnabled(false);
putType.setEnabled(false);
putType.setEditable(false);
signedBox.setEnabled(false);
openButton.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
if (openButton.isEnabled()) {
openButton.setEnabled(false);
new Thread() {
public void run() {
if (leveldbStore.showOpenDialog(pane) == JFileChooser.APPROVE_OPTION) {
File select = leveldbStore.getSelectedFile();
if (select.isDirectory()) {
new OpenLevelDBDialog(Viewer.this, select);
openDatabase(select);
dbPathField.setText(select.getAbsolutePath());
} else {
JOptionPane.showMessageDialog(
pane,
"The selecting item must be a directory",
"Unable to load database",
JOptionPane.WARNING_MESSAGE);
}
} else {
openButton.setEnabled(true);
}
}
}.start();
}
}
});
deleteButton.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
if (dataList.getSelectedValue() != null) {
delete(dataList.getSelectedValue().key);
}
openDatabase(leveldbStore.getSelectedFile());
}
});
putButton.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
put(
((PutType) putType.getSelectedItem()).getBytes(key.getText()),
((PutType) putType.getSelectedItem()).getBytes(value.getText()));
openDatabase(leveldbStore.getSelectedFile());
}
});
findField.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
openDatabase(leveldbStore.getSelectedFile());
}
});
findField
.getDocument()
.addDocumentListener(
new DocumentListener() {
@Override
public void insertUpdate(DocumentEvent e) {
openDatabase(leveldbStore.getSelectedFile());
}
@Override
public void removeUpdate(DocumentEvent e) {
openDatabase(leveldbStore.getSelectedFile());
}
@Override
public void changedUpdate(DocumentEvent e) {
openDatabase(leveldbStore.getSelectedFile());
}
});
findField
.getDocument()
.addUndoableEditListener(
new UndoableEditListener() {
@Override
public void undoableEditHappened(UndoableEditEvent e) {
openDatabase(leveldbStore.getSelectedFile());
}
});
hexKey
.getDocument()
.addDocumentListener(
new DocumentListener() {
@Override
public void insertUpdate(DocumentEvent e) {
update(hexKey);
}
@Override
public void removeUpdate(DocumentEvent e) {
update(hexKey);
}
@Override
public void changedUpdate(DocumentEvent e) {
update(hexKey);
}
});
hexKey
.getDocument()
.addUndoableEditListener(
new UndoableEditListener() {
@Override
public void undoableEditHappened(UndoableEditEvent e) {
update(hexKey);
}
});
stringKey
.getDocument()
.addDocumentListener(
new DocumentListener() {
@Override
public void insertUpdate(DocumentEvent e) {
update(stringKey);
}
@Override
public void removeUpdate(DocumentEvent e) {
update(stringKey);
}
@Override
public void changedUpdate(DocumentEvent e) {
update(stringKey);
}
});
stringKey
.getDocument()
.addUndoableEditListener(
new UndoableEditListener() {
@Override
public void undoableEditHappened(UndoableEditEvent e) {
update(stringKey);
}
});
hexValue
.getDocument()
.addDocumentListener(
new DocumentListener() {
@Override
public void insertUpdate(DocumentEvent e) {
update(hexValue);
}
@Override
public void removeUpdate(DocumentEvent e) {
update(hexValue);
}
@Override
public void changedUpdate(DocumentEvent e) {
update(hexValue);
}
});
hexValue
.getDocument()
.addUndoableEditListener(
new UndoableEditListener() {
@Override
public void undoableEditHappened(UndoableEditEvent e) {
update(hexValue);
}
});
stringValue
.getDocument()
.addDocumentListener(
new DocumentListener() {
@Override
public void insertUpdate(DocumentEvent e) {
update(stringValue);
}
@Override
public void removeUpdate(DocumentEvent e) {
update(stringValue);
}
@Override
public void changedUpdate(DocumentEvent e) {
update(stringValue);
}
});
stringValue
.getDocument()
.addUndoableEditListener(
new UndoableEditListener() {
@Override
public void undoableEditHappened(UndoableEditEvent e) {
update(stringValue);
}
});
saveButton.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
save();
openDatabase(leveldbStore.getSelectedFile());
}
});
dataList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
dataList.addListSelectionListener(
new ListSelectionListener() {
@Override
public void valueChanged(ListSelectionEvent e) {
DBItem item = dataList.getSelectedValue();
if (item != null) {
hexValue.setText(cutToLine(LevelDBViewer.toHexString(item.value), 64));
stringValue.setText(cutToLine(new String(item.value), 64));
hexKey.setText(cutToLine(LevelDBViewer.toHexString(item.key), 64));
stringKey.setText(cutToLine(new String(item.key), 64));
lengthLabel.setText(String.valueOf(item.value.length + item.key.length));
keyLength.setText(String.valueOf(item.key.length));
valueLength.setText(String.valueOf(item.value.length));
}
}
});
signedBox.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
LevelDBViewer.DEFAULT_SINGED = signedBox.isSelected();
int i = dataList.getSelectedIndex();
dataList.clearSelection();
dataList.updateUI();
dataList.setSelectedIndex(i);
update(hexKey);
update(hexValue);
}
});
for (PutType t : PutType.values()) {
putType.addItem(t);
}
putType.setSelectedItem(PutType.STRING);
putType.addItemListener(
new ItemListener() {
@Override
public void itemStateChanged(ItemEvent e) {
openDatabase(leveldbStore.getSelectedFile());
}
});
putType.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
openDatabase(leveldbStore.getSelectedFile());
}
});
dialog.setLocationByPlatform(true);
dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
dialog.setContentPane(pane);
dialog.setTitle("LevelDB Viewer By Marcus (https://github.com/SuperMarcus)");
dialog.getRootPane().setDefaultButton(openButton);
dialog.pack();
dialog.setVisible(true);
}
public void openDatabase(File select) {
if (getOptions() != null) {
DB database = null;
try {
database = factory.open(select, getOptions());
DBIterator iterator = database.iterator();
ArrayList<DBItem> data = new ArrayList<>();
String reg = findField.getText().trim();
for (iterator.seekToFirst(); iterator.hasNext(); iterator.next()) {
if (reg.isEmpty()
|| new BigInteger(iterator.peekNext().getKey()).toString(16).contains(reg)
|| LevelDBViewer.toHexString(iterator.peekNext().getKey()).contains(reg)
|| new BigInteger(iterator.peekNext().getValue()).toString(16).contains(reg)
|| LevelDBViewer.toHexString(iterator.peekNext().getValue()).contains(reg)
|| new String(iterator.peekNext().getKey()).contains(reg)
|| new String(iterator.peekNext().getValue()).contains(reg)) {
data.add(new DBItem(iterator.peekNext().getKey(), iterator.peekNext().getValue()));
}
}
iterator.close();
dialog.getRootPane().setDefaultButton(putButton);
dataList.getSelectionModel().clearSelection();
dataList.setListData(data.toArray(new DBItem[data.size()]));
putButton.setEnabled(true);
key.setEnabled(true);
value.setEnabled(true);
findField.setEnabled(true);
deleteButton.setEnabled(true);
putType.setEnabled(true);
signedBox.setEnabled(true);
// saveButton.setEnabled(true);
hexValue.setText("");
stringValue.setText("");
hexKey.setText("");
stringKey.setText("");
lengthLabel.setText("");
keyLength.setText("");
valueLength.setText("");
} 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();
}
}
}
}
}
