public void dispose() { try { stmt.close(); con.close(); } catch (SQLException e) { } }
public void connectItems(String query) // PRE: query must be initialized // POST: Updates the list of Items based on the query. { String driver = "org.apache.derby.jdbc.ClientDriver"; // Driver for DB String url = "jdbc:derby://localhost:1527/ShopDataBase"; // Url for DB String user = "******"; // Username for db String pass = "******"; // Password for db Connection myConnection; // Connection obj to db Statement stmt; // Statement to execute a result appon ResultSet results; // A set containing the returned results int rowcount; // Num objects in the resultSet int i; // Index for the array try { // Try connection to db Class.forName(driver).newInstance(); // Create our db driver myConnection = DriverManager.getConnection(url, user, pass); // Initalize our connection stmt = myConnection.createStatement( ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_UPDATABLE); // Create a new statement results = stmt.executeQuery(query); // Store the results of our query rowcount = 0; if (results.last()) // Go to the last result { rowcount = results.getRow(); results.beforeFirst(); } itemsArray = new Item[rowcount]; i = 0; while (results.next()) // Itterate through the results set { itemsArray[i] = new Item( results.getInt("item_id"), results.getString("item_name"), results.getString("item_type"), results.getInt("price"), results.getInt("owner_id"), results.getString("item_path")); // Creat new Item i++; } results.close(); // Close the ResultSet stmt.close(); // Close the statement myConnection.close(); // Close the connection to db } catch (Exception e) // Cannot connect to db { System.err.println(e.toString()); System.err.println("Error, something went horribly wrong in connectItems!"); } }
public void updateTables(String updateQuery1, String updateQuery2, String updateQuery3) // PRE: updateQuery1,updateQuery2, updateQuery3 must be initialized // POST: Updates the list of Items based on the querys. { String driver = "org.apache.derby.jdbc.ClientDriver"; // Driver for DB String url = "jdbc:derby://localhost:1527/ShopDataBase"; // Url for DB String user = "******"; // Username for db String pass = "******"; // Password for db Connection myConnection; // Connection obj to db Statement stmt; // Statement to execute a result appon ResultSet results; // A set containing the returned results int i; // Index for the array try // Try connection to db { Class.forName(driver).newInstance(); // Create our db driver myConnection = DriverManager.getConnection(url, user, pass); // Initalize our connection stmt = myConnection.createStatement( ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_UPDATABLE); stmt.executeUpdate(updateQuery1); stmt.executeUpdate(updateQuery2); stmt.executeUpdate(updateQuery3); results = stmt.executeQuery(previous_query); // Call the previous query i = 0; while (results.next()) // Itterate through the results set { itemsArray[i] = new Item( results.getInt("item_id"), results.getString("item_name"), results.getString("item_type"), results.getInt("price"), results.getInt("owner_id"), results.getString("item_path")); i++; } results.close(); // Close the ResultSet stmt.close(); // Close the statement myConnection.close(); // Close the connection to db } catch (Exception e) // Cannot connect to db { System.err.println(e.toString()); System.err.println("Error, something went horribly wrong! in updateTables"); } }
public void closeDB() { try { if (statement != null) { statement.close(); } if (db != null) { db.close(); } } catch (Exception e) { System.out.println("Database could not closed"); e.printStackTrace(); } } // closeDB sonu
public void actionPerformed(ActionEvent ae) { String str = ae.getActionCommand(); if (str.equals("Ok")) { String str1 = (String) jcmname.getSelectedItem(); Connection con = null; Statement stat = null; if (str1.equals("Pulsar") || str1.equals("CT 100") || str1.equals("Discover DTS-i") || str1.equals("Wave DTS-i")) { try { Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); con = DriverManager.getConnection("Jdbc:Odbc:showroom"); System.out.println("Got Connection :" + con); stat = con.createStatement(); ResultSet rs = stat.executeQuery("select * from vehicle"); System.out.println("chk1"); while (rs.next()) { if (str1.equals(rs.getString(1))) { tfcap.setText("" + rs.getInt(2)); tfeng.setText("" + rs.getInt(3)); tfbhp.setText("" + rs.getInt(4)); tfvolt.setText("" + rs.getInt(5)); tfrpm.setText("" + rs.getInt(6)); tfweight.setText("" + rs.getInt(7)); tfgear.setText("" + rs.getInt(8)); } } stat.close(); con.close(); } catch (Exception ex) { } } else { JOptionPane.showMessageDialog( null, "Please Choose Model Name", "Error", JOptionPane.ERROR_MESSAGE); } } if (str.equals("can")) { this.dispose(); // new menu(1); } }
/** * Fill the table using m_sql * * @param table table */ private static void tableLoad(MiniTable table) { // log.finest(m_sql + " - " + m_groupBy); String sql = MRole.getDefault() .addAccessSQL(m_sql.toString(), "tab", MRole.SQL_FULLYQUALIFIED, MRole.SQL_RO) + m_groupBy + m_orderBy; log.finest(sql); try { Statement stmt = DB.createStatement(); ResultSet rs = stmt.executeQuery(sql); table.loadTable(rs); stmt.close(); } catch (SQLException e) { log.log(Level.SEVERE, sql, e); } } // tableLoad
public void login() { String driver = "oracle.jdbc.driver.OracleDriver"; String url = "jdbc:oracle:thin:@localhost:1521:orcl"; Connection con = null; Statement stmt = null; ResultSet rs = null; String id, pw, sql; try { Class.forName(driver); con = DriverManager.getConnection(url, "hr", "hr"); stmt = con.createStatement(); sql = "select * from chatuser where id = '" + lid.getText() + "'"; rs = stmt.executeQuery(sql); if (rs.next()) { pw = rs.getString(2); nick = rs.getString(3); if (lpw.getText().equals(pw)) { jd.setVisible(false); setVisible(true); } else { lpw.setText("일치하지 않습니다."); } } else { lid.setText("일치하지 않습니다."); } } catch (Exception e1) { e1.printStackTrace(); System.out.println("데이터 베이스 연결 실패!!"); } finally { try { if (rs != null) rs.close(); if (stmt != null) stmt.close(); if (con != null) con.close(); } catch (Exception e1) { System.out.println(e1.getMessage()); } } }
public void bookRoom() { try { int code = 0; Connection con = DriverManager.getConnection( "jdbc:mysql://67.20.111.85:3306/jeehtove_caliking?relaxAutoCommit=false", "jeehtove_ck", "Z_^PBBZT+kcy"); Statement stmt_insert = con.createStatement(); Statement stmt_tableRange = con.createStatement(); Statement stmt_checkrooms = con.createStatement(); Statement stmt_checkrooms_2 = con.createStatement(); String insert = null; int flag = 0; String room_type; if (standardRoom.isSelected()) { room_type = "Standard"; code = 1; } else if (familyRoom.isSelected()) { room_type = "Family"; code = 2; } else { room_type = "Suite"; code = 3; } // Converting string from checkin and checkout dates so that they can access the correct table String currentDate_checkin_getText = checkindateField.getText(); String currentDate_checkin_rest = currentDate_checkin_getText.substring(5); String currentDate_checkin_replace = currentDate_checkin_rest.replace("-", "_"); String currentDate_checkin_year = currentDate_checkin.substring(0, 4); String currentDate_checkin_final = currentDate_checkin_year + "_" + currentDate_checkin_replace; String currentDate_checkout_getText = checkoutdateField.getText(); String currentDate_checkout_rest = currentDate_checkout_getText.substring(5); String currentDate_checkout_replace = currentDate_checkout_rest.replace("-", "_"); String currentDate_checkout_year = currentDate_checkout.substring(0, 4); String currentDate_checkout_final = currentDate_checkout_year + "_" + currentDate_checkout_replace; // MySQL Statement to select tables from schema that are in between checkin and checkout range String tableRange = "SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='jeehtove_caliking' AND TABLE_NAME BETWEEN 'rooms_" + currentDate_checkin_final + "' AND 'rooms_" + currentDate_checkout_final + "';"; ResultSet tb_Range = stmt_tableRange.executeQuery(tableRange); System.out.println(tableRange); List tb_range_list = new ArrayList(); while (tb_Range.next()) { String tb_range_date = tb_Range.getString("table_name"); tb_range_list.add(tb_range_date); // String current_table = tb_Range.getString("table_name"); // System.out.println(tb_range_list.add(tb_Range.getString("table_name"))); } stmt_tableRange.close(); for (int x = 0; x < tb_range_list.size(); x++) { String query_checkrooms = "SELECT * FROM " + tb_range_list.get(x) + " WHERE type = '" + code + "' AND booked = '0' LIMIT 1;"; // System.out.println(query_checkrooms); ResultSet checkrooms = stmt_checkrooms.executeQuery(query_checkrooms); while (checkrooms.next()) { String getroomnumber = checkrooms.getString("room"); insert = "INSERT INTO `reservations` VALUES ('" + getroomnumber + "', '" + checkindateField.getText() + "', '" + checkoutdateField.getText() + "', '" + room_type + "', '" + nameField.getText() + "');"; String bookroom = "UPDATE `" + tb_range_list.get(x) + "` SET booked = '1' WHERE room = '" + getroomnumber + "';"; // System.out.println(insert); int cr = stmt_checkrooms_2.executeUpdate(bookroom); flag = 1; System.out.println("Room Booked!"); } } if (flag == 1) { int rs = stmt_insert.executeUpdate(insert); } else { System.out.println("All " + room_type + " rooms are booked for the time requested."); } /*String query_checkrooms = "SELECT * FROM rooms_" + currentDate_checkin_final + " WHERE type = '" + code + "' AND booked = '0';"; System.out.println(query_checkrooms); Statement stmt_checkrooms = con.createStatement(); ResultSet checkrooms = stmt_checkrooms.executeQuery(query_checkrooms);*/ /*if (checkrooms.next()){ String getroomnumber = checkrooms.getString("room"); String insert = "INSERT INTO `reservations` VALUES ('" + getroomnumber + "', '" + checkindateField.getText() + "', '" + checkoutdateField.getText() + "', '" + room_type + "', '" + nameField.getText() + "');"; String bookroom = "UPDATE `rooms_" + currentDate_checkin_final + "` SET booked = '1' WHERE room = '" + getroomnumber + "';"; //System.out.println(insert); int rs=stmt_insert.executeUpdate(insert); int cr=stmt_checkrooms.executeUpdate(bookroom); con.commit(); System.out.println("Room Booked!"); }*/ // else System.out.println("All " + room_type + " rooms are booked for the time requested."); System.out.println("Complete."); } catch (Exception e) { System.out.println(e); } }