public void deleteChat(Chat chat) {
Connection connection = JDBCManager.getConnection();
PreparedStatement preparedStatement = null;
try {
preparedStatement = connection.prepareStatement(deleteSQL);
preparedStatement.setInt(1, chat.getChatId());
preparedStatement.executeUpdate();
} catch (Exception exception) {
exception.printStackTrace();
} finally {
try {
preparedStatement.close();
} catch (Exception exception) {
exception.printStackTrace();
}
JDBCManager.closeConnection(connection);
}
}
public void saveChat(Chat chat) {
Connection connection = JDBCManager.getConnection();
PreparedStatement preparedStatement = null;
try {
preparedStatement = connection.prepareStatement(insertSQL);
preparedStatement.setInt(1, chat.getChatId());
preparedStatement.setString(2, chat.getChatText());
preparedStatement.setInt(3, chat.getFromUserId());
preparedStatement.execute();
} catch (Exception exception) {
exception.printStackTrace();
} finally {
try {
preparedStatement.close();
} catch (Exception exception) {
exception.printStackTrace();
}
JDBCManager.closeConnection(connection);
}
}