1 files changed, 558 insertions, 0 deletions
diff --git a/src/com/vaadin/demo/reservation/SampleDB.java b/src/com/vaadin/demo/reservation/SampleDB.java
new file mode 100644
index 0000000000..225d4c767b
--- /dev/null
+++ b/src/com/vaadin/demo/reservation/SampleDB.java
@@ -0,0 +1,558 @@
+/* 
+@ITMillApache2LicenseForJavaFiles@
+ */
+
+package com.vaadin.demo.reservation;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+import java.util.Calendar;
+import java.util.Collection;
+import java.util.Date;
+import java.util.Iterator;
+import java.util.List;
+
+import com.vaadin.data.Container;
+import com.vaadin.data.Item;
+import com.vaadin.data.util.QueryContainer;
+
+public class SampleDB {
+    public class User {
+        public static final String TABLE = "USER";
+        public static final String PROPERTY_ID_ID = TABLE + "_ID";
+        public static final String PROPERTY_ID_FULLNAME = TABLE + "_FULLNAME";
+        public static final String PROPERTY_ID_EMAIL = TABLE + "_EMAIL";
+        public static final String PROPERTY_ID_PASSWORD = TABLE + "_PASSWORD";
+        public static final String PROPERTY_ID_DELETED = TABLE + "_DELETED";
+    }
+
+    public class Resource {
+        public static final String TABLE = "RESOURCE";
+        public static final String PROPERTY_ID_ID = TABLE + "_ID";
+        public static final String PROPERTY_ID_STYLENAME = TABLE + "_STYLENAME";
+        public static final String PROPERTY_ID_NAME = TABLE + "_NAME";
+        public static final String PROPERTY_ID_DESCRIPTION = TABLE
+                + "_DESCRIPTION";
+        public static final String PROPERTY_ID_LOCATIONX = TABLE
+                + "_LOCATION_X";
+        public static final String PROPERTY_ID_LOCATIONY = TABLE
+                + "_LOCATION_Y";
+        public static final String PROPERTY_ID_CATEGORY = TABLE + "_CATEGORY";
+        public static final String PROPERTY_ID_DELETED = TABLE + "_DELETED";
+    }
+
+    public class Reservation {
+        public static final String TABLE = "RESERVATION";
+        public static final String PROPERTY_ID_ID = TABLE + "_ID";
+        public static final String PROPERTY_ID_DESCRIPTION = TABLE
+                + "_DESCRIPTION";
+        public static final String PROPERTY_ID_RESOURCE_ID = TABLE
+                + "_RESOURCE_ID";
+        public static final String PROPERTY_ID_RESERVED_BY_ID = TABLE
+                + "_RESERVED_BY_USER_ID";
+        public static final String PROPERTY_ID_RESERVED_FROM = TABLE
+                + "_RESERVED_FROM";
+        public static final String PROPERTY_ID_RESERVED_TO = TABLE
+                + "_RESERVED_TO";
+    }
+
+    private static final String DEFAULT_JDBC_URL = "jdbc:hsqldb:file:reservation.db";
+    private static Object dbMutex = new Object();
+
+    private static final String CREATE_TABLE_USER = "CREATE TABLE "
+            + User.TABLE + " (" + " " + User.PROPERTY_ID_ID
+            + " INTEGER IDENTITY" + ", " + User.PROPERTY_ID_FULLNAME
+            + " VARCHAR(100) NOT NULL" + ", " + User.PROPERTY_ID_EMAIL
+            + " VARCHAR(50) NOT NULL" + ", " + User.PROPERTY_ID_PASSWORD
+            + " VARCHAR(20) NOT NULL" + ", " + User.PROPERTY_ID_DELETED
+            + " BOOLEAN DEFAULT false NOT NULL" + ", UNIQUE("
+            + User.PROPERTY_ID_FULLNAME + "), UNIQUE(" + User.PROPERTY_ID_EMAIL
+            + ") )";
+    private static final String CREATE_TABLE_RESOURCE = "CREATE TABLE "
+            + Resource.TABLE + " (" + " " + Resource.PROPERTY_ID_ID
+            + " INTEGER IDENTITY" + ", " + Resource.PROPERTY_ID_STYLENAME
+            + " VARCHAR(20) NOT NULL" + ", " + Resource.PROPERTY_ID_NAME
+            + " VARCHAR(30) NOT NULL" + ", " + Resource.PROPERTY_ID_DESCRIPTION
+            + " VARCHAR(100)" + ", " + Resource.PROPERTY_ID_LOCATIONX
+            + " DOUBLE" + ", " + Resource.PROPERTY_ID_LOCATIONY + " DOUBLE"
+            + ", " + Resource.PROPERTY_ID_CATEGORY + " VARCHAR(30)" + ", "
+            + Resource.PROPERTY_ID_DELETED + " BOOLEAN DEFAULT false NOT NULL"
+            + ", UNIQUE(" + Resource.PROPERTY_ID_NAME + "))";
+    private static final String CREATE_TABLE_RESERVATION = "CREATE TABLE "
+            + Reservation.TABLE + " (" + " " + Reservation.PROPERTY_ID_ID
+            + " INTEGER IDENTITY" + ", " + Reservation.PROPERTY_ID_RESOURCE_ID
+            + " INTEGER" + ", " + Reservation.PROPERTY_ID_RESERVED_BY_ID
+            + " INTEGER" + ", " + Reservation.PROPERTY_ID_RESERVED_FROM
+            + " TIMESTAMP NOT NULL" + ", "
+            + Reservation.PROPERTY_ID_RESERVED_TO + " TIMESTAMP NOT NULL"
+            + ", " + Reservation.PROPERTY_ID_DESCRIPTION + " VARCHAR(100)"
+            + ", FOREIGN KEY (" + Reservation.PROPERTY_ID_RESOURCE_ID
+            + ") REFERENCES " + Resource.TABLE + "(" + Resource.PROPERTY_ID_ID
+            + "), FOREIGN KEY (" + Reservation.PROPERTY_ID_RESERVED_BY_ID
+            + ") REFERENCES " + User.TABLE + "(" + User.PROPERTY_ID_ID + "))";
+
+    private static Connection connection = null;
+
+    /**
+     * Create database.
+     * 
+     * @param jdbcUrl
+     */
+    public SampleDB(String jdbcUrl) {
+        if (jdbcUrl == null || jdbcUrl.equals("")) {
+            jdbcUrl = DEFAULT_JDBC_URL;
+        }
+        // connect to SQL database
+        connect(jdbcUrl);
+
+    }
+
+    private synchronized void dropTables() {
+        try {
+            update("DROP TABLE " + Reservation.TABLE);
+        } catch (final SQLException IGNORED) {
+            // IGNORED, assuming it was not there
+        }
+        try {
+            update("DROP TABLE " + Resource.TABLE);
+        } catch (final SQLException IGNORED) {
+            // IGNORED, assuming it was not there
+        }
+        try {
+            update("DROP TABLE " + User.TABLE);
+        } catch (final SQLException IGNORED) {
+            // IGNORED, assuming it was not there
+        }
+    }
+
+    /**
+     * Connect to SQL database. In this sample we use HSQLDB and an toolkit
+     * named database in implicitly created into system memory.
+     * 
+     */
+    private synchronized void connect(String dbUrl) {
+        if (connection == null) {
+            try {
+                Class.forName("org.hsqldb.jdbcDriver").newInstance();
+                connection = DriverManager.getConnection(dbUrl);
+            } catch (final Exception e) {
+                throw new RuntimeException(e);
+            }
+
+            dropTables();
+            // initialize SQL database
+            createTables();
+
+            // test by executing sample JDBC query
+            testDatabase();
+
+            generateResources();
+            generateDemoUser();
+            generateReservations();
+
+        }
+    }
+
+    /**
+     * use for SQL commands CREATE, DROP, INSERT and UPDATE
+     * 
+     * @param expression
+     * @throws SQLException
+     */
+    private synchronized void update(String expression) throws SQLException {
+        Statement st = null;
+        st = connection.createStatement();
+        final int i = st.executeUpdate(expression);
+        if (i == -1) {
+            System.out.println("SampleDatabase error : " + expression);
+        }
+        st.close();
+    }
+
+    /**
+     * Create test table and few rows. Issue note: using capitalized column
+     * names as HSQLDB returns column names in capitalized form with this demo.
+     * 
+     */
+    private synchronized void createTables() {
+        try {
+            String stmt = null;
+            stmt = CREATE_TABLE_RESOURCE;
+            update(stmt);
+        } catch (final SQLException e) {
+            if (e.toString().indexOf("Table already exists") == -1) {
+                throw new RuntimeException(e);
+            }
+        }
+        try {
+            String stmt = null;
+            stmt = CREATE_TABLE_USER;
+            update(stmt);
+        } catch (final SQLException e) {
+            if (e.toString().indexOf("Table already exists") == -1) {
+                throw new RuntimeException(e);
+            }
+        }
+        try {
+            String stmt = null;
+            stmt = CREATE_TABLE_RESERVATION;
+            update(stmt);
+        } catch (final SQLException e) {
+            if (e.toString().indexOf("Table already exists") == -1) {
+                throw new RuntimeException(e);
+            }
+        }
+    }
+
+    /**
+     * Test database connection with simple SELECT command.
+     * 
+     */
+    private synchronized String testDatabase() {
+        String result = null;
+        try {
+            final Statement stmt = connection.createStatement(
+                    ResultSet.TYPE_SCROLL_INSENSITIVE,
+                    ResultSet.CONCUR_UPDATABLE);
+            final ResultSet rs = stmt.executeQuery("SELECT COUNT(*) FROM "
+                    + Resource.TABLE);
+            rs.next();
+            result = "rowcount for table test is " + rs.getObject(1).toString();
+            stmt.close();
+        } catch (final SQLException e) {
+            throw new RuntimeException(e);
+        }
+        return result;
+    }
+
+    public Connection getConnection() {
+        return connection;
+    }
+
+    public Container getCategories() {
+        // TODO where deleted=?
+        final String q = "SELECT DISTINCT(" + Resource.PROPERTY_ID_CATEGORY
+                + ") FROM " + Resource.TABLE + " ORDER BY "
+                + Resource.PROPERTY_ID_CATEGORY;
+        try {
+            return new QueryContainer(q, connection,
+                    ResultSet.TYPE_SCROLL_INSENSITIVE,
+                    ResultSet.CONCUR_READ_ONLY);
+        } catch (final SQLException e) {
+            throw new RuntimeException(e);
+        }
+
+    }
+
+    public Container getResources(String category) {
+        // TODO where deleted=?
+        String q = "SELECT * FROM " + Resource.TABLE;
+        if (category != null) {
+            q += " WHERE " + Resource.PROPERTY_ID_CATEGORY + "='" + category
+                    + "'"; // FIXME ->
+            // PreparedStatement!
+        }
+
+        try {
+            return new QueryContainer(q, connection,
+                    ResultSet.TYPE_SCROLL_INSENSITIVE,
+                    ResultSet.CONCUR_READ_ONLY);
+        } catch (final SQLException e) {
+            throw new RuntimeException(e);
+        }
+
+    }
+
+    public Container getReservations(List resources) {
+        // TODO where reserved_by=?
+        // TODO where from=?
+        // TODO where to=?
+        // TODO where deleted=?
+        String q = "SELECT * FROM " + Reservation.TABLE + "," + Resource.TABLE;
+        q += " WHERE " + Reservation.PROPERTY_ID_RESOURCE_ID + "="
+                + Resource.PROPERTY_ID_ID;
+        if (resources != null && resources.size() > 0) {
+            final StringBuffer s = new StringBuffer();
+            for (final Iterator it = resources.iterator(); it.hasNext();) {
+                if (s.length() > 0) {
+                    s.append(",");
+                }
+                s.append(((Item) it.next())
+                        .getItemProperty(Resource.PROPERTY_ID_ID));
+            }
+            q += " HAVING " + Reservation.PROPERTY_ID_RESOURCE_ID + " IN (" + s
+                    + ")";
+        }
+        q += " ORDER BY " + Reservation.PROPERTY_ID_RESERVED_FROM;
+        try {
+            final QueryContainer qc = new QueryContainer(q, connection,
+                    ResultSet.TYPE_SCROLL_INSENSITIVE,
+                    ResultSet.CONCUR_READ_ONLY);
+            if (qc.size() < 1) {
+                return null;
+            } else {
+                return qc;
+            }
+        } catch (final SQLException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public synchronized void addReservation(Item resource, int reservedById,
+            Date reservedFrom, Date reservedTo, String description) {
+        if (reservedFrom.after(reservedTo)) {
+            final Date tmp = reservedTo;
+            reservedTo = reservedFrom;
+            reservedFrom = tmp;
+        }
+        final int resourceId = ((Integer) resource.getItemProperty(
+                Resource.PROPERTY_ID_ID).getValue()).intValue();
+        final String q = "INSERT INTO " + Reservation.TABLE + " ("
+                + Reservation.PROPERTY_ID_RESOURCE_ID + ","
+                + Reservation.PROPERTY_ID_RESERVED_BY_ID + ","
+                + Reservation.PROPERTY_ID_RESERVED_FROM + ","
+                + Reservation.PROPERTY_ID_RESERVED_TO + ","
+                + Reservation.PROPERTY_ID_DESCRIPTION + ")"
+                + "VALUES (?,?,?,?,?)";
+        synchronized (dbMutex) {
+            try {
+                if (!isAvailableResource(resourceId, reservedFrom, reservedTo)) {
+                    throw new ResourceNotAvailableException(
+                            "The resource is not available at that time.");
+                }
+                final PreparedStatement p = connection.prepareStatement(q);
+                p.setInt(1, resourceId);
+                p.setInt(2, reservedById);
+                p.setTimestamp(3,
+                        new java.sql.Timestamp(reservedFrom.getTime()));
+                p.setTimestamp(4, new java.sql.Timestamp(reservedTo.getTime()));
+                p.setString(5, description);
+                p.execute();
+            } catch (final Exception e) {
+                throw new RuntimeException(e);
+            }
+        }
+    }
+
+    public boolean isAvailableResource(int resourceId, Date reservedFrom,
+            Date reservedTo) {
+        // TODO where deleted=?
+        if (reservedFrom.after(reservedTo)) {
+            final Date tmp = reservedTo;
+            reservedTo = reservedFrom;
+            reservedFrom = tmp;
+        }
+        final String checkQ = "SELECT count(*) FROM " + Reservation.TABLE
+                + " WHERE " + Reservation.PROPERTY_ID_RESOURCE_ID + "=? AND (("
+                + Reservation.PROPERTY_ID_RESERVED_FROM + ">=? AND "
+                + Reservation.PROPERTY_ID_RESERVED_FROM + "<?) OR ("
+                + Reservation.PROPERTY_ID_RESERVED_TO + ">? AND "
+                + Reservation.PROPERTY_ID_RESERVED_TO + "<=?) OR ("
+                + Reservation.PROPERTY_ID_RESERVED_FROM + "<=? AND "
+                + Reservation.PROPERTY_ID_RESERVED_TO + ">=?)" + ")";
+        try {
+            final PreparedStatement p = connection.prepareStatement(checkQ);
+            p.setInt(1, resourceId);
+            p.setTimestamp(2, new java.sql.Timestamp(reservedFrom.getTime()));
+            p.setTimestamp(3, new java.sql.Timestamp(reservedTo.getTime()));
+            p.setTimestamp(4, new java.sql.Timestamp(reservedFrom.getTime()));
+            p.setTimestamp(5, new java.sql.Timestamp(reservedTo.getTime()));
+            p.setTimestamp(6, new java.sql.Timestamp(reservedFrom.getTime()));
+            p.setTimestamp(7, new java.sql.Timestamp(reservedTo.getTime()));
+            p.execute();
+            final ResultSet rs = p.getResultSet();
+            if (rs.next() && rs.getInt(1) > 0) {
+                return false;
+            }
+        } catch (final Exception e) {
+            throw new RuntimeException(e);
+        }
+        return true;
+    }
+
+    public Container getUsers() {
+        // TODO where deleted=?
+        final String q = "SELECT * FROM " + User.TABLE + " ORDER BY "
+                + User.PROPERTY_ID_FULLNAME;
+        try {
+            final QueryContainer qc = new QueryContainer(q, connection,
+                    ResultSet.TYPE_SCROLL_INSENSITIVE,
+                    ResultSet.CONCUR_READ_ONLY);
+            return qc;
+        } catch (final SQLException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public synchronized void generateReservations() {
+        final int days = 30;
+        final String descriptions[] = { "Picking up guests from airport",
+                "Sightseeing with the guests",
+                "Moving new servers from A to B", "Shopping",
+                "Customer meeting", "Guests arriving at harbour",
+                "Moving furniture", "Taking guests to see town" };
+        final Container cat = getCategories();
+        final Collection cIds = cat.getItemIds();
+        for (final Iterator it = cIds.iterator(); it.hasNext();) {
+            final Object id = it.next();
+            final Item ci = cat.getItem(id);
+            final String c = (String) ci.getItemProperty(
+                    Resource.PROPERTY_ID_CATEGORY).getValue();
+            final Container resources = getResources(c);
+            final Collection rIds = resources.getItemIds();
+            final Calendar cal = Calendar.getInstance();
+            cal.set(Calendar.MINUTE, 0);
+            cal.set(Calendar.SECOND, 0);
+            cal.set(Calendar.MILLISECOND, 0);
+            final int hourNow = new Date().getHours();
+            // cal.add(Calendar.DAY_OF_MONTH, -days);
+            for (int i = 0; i < days; i++) {
+                int r = 3;
+                for (final Iterator rit = rIds.iterator(); rit.hasNext()
+                        && r > 0; r--) {
+                    final Object rid = rit.next();
+                    final Item resource = resources.getItem(rid);
+                    final int s = hourNow - 6
+                            + (int) Math.round(Math.random() * 6.0);
+                    final int e = s + 1 + (int) Math.round(Math.random() * 4.0);
+                    final Date start = new Date(cal.getTimeInMillis());
+                    start.setHours(s);
+                    final Date end = new Date(cal.getTimeInMillis());
+                    end.setHours(e);
+                    addReservation(resource, 0, start, end,
+                            descriptions[(int) Math.floor(Math.random()
+                                    * descriptions.length)]);
+                }
+                cal.add(Calendar.DATE, 1);
+            }
+        }
+
+    }
+
+    public synchronized void generateResources() {
+
+        final Object[][] resources = {
+                // Turku
+                { "01", "01 Ford Mondeo", "w/ company logo", "Turku",
+                        new Double(60.510857), new Double(22.275424) },
+                { "02", "02 Citroen Jumper",
+                        "w/ company logo. 12m3 storage space.", "Turku",
+                        new Double(60.452171), new Double(22.2995) },
+                { "03", "03 Saab 93", "Cabriolet. Keys from the rental desk.",
+                        "Turku", new Double(60.4507), new Double(22.295551) },
+                { "04", "04 Volvo S60", "Key from the rental desk.", "Turku",
+                        new Double(60.434722), new Double(22.224398) },
+                { "05", "05 Smart fourtwo", "Cabrio. Keys from infodesk.",
+                        "Turku", new Double(60.508970), new Double(22.264790) },
+                // Helsinki
+                { "06", "06 Smart fourtwo", "Cabrio. Keys from infodesk.",
+                        "Helsinki", new Double(60.17175), new Double(24.939029) },
+                { "07", "07 Smart fourtwo", "Cabrio. Keys from infodesk.",
+                        "Helsinki", new Double(60.17175), new Double(24.939029) },
+                { "08", "08 Smart fourtwo", "Cabrio. Keys from infodesk.",
+                        "Helsinki", new Double(60.166579),
+                        new Double(24.953899) },
+                { "09", "09 Volvo S60", "Keys from infodesk.", "Helsinki",
+                        new Double(60.317832), new Double(24.967289) },
+                { "10", "10 Saab 93", "Keys from infodesk.", "Helsinki",
+                        new Double(60.249193), new Double(25.045921) },
+                // Silicon Valley
+                { "11", "11 Ford Mustang", "Keys from Acme clerk.",
+                        "Silicon Valley", new Double(37.615853),
+                        new Double(-122.386384) },
+                { "12", "12 Ford Fusion", "Keys from infodesk.",
+                        "Silicon Valley", new Double(37.365028),
+                        new Double(-121.922654) },
+                { "13", "13 Land Rover", "Keys from infodesk.",
+                        "Silicon Valley", new Double(37.365028),
+                        new Double(-121.922654) },
+                { "14", "14 Land Rover", "Keys from infodesk.",
+                        "Silicon Valley", new Double(37.365028),
+                        new Double(-121.922654) },
+                { "15", "15 Ford Mustang", "GT Cal Special. Keys from guard.",
+                        "Silicon Valley", new Double(37.403812),
+                        new Double(-121.977425) },
+                { "16", "16 Ford Focus", "Keys from guard.", "Silicon Valley",
+                        new Double(37.403812), new Double(-121.977425) },
+                // Paris
+                { "17", "17 Peugeot 308", "Keys from infodesk.", "Paris",
+                        new Double(48.844756), new Double(2.372784) },
+                { "18", "18 Citroen C6", "Keys from rental desk.", "Paris",
+                        new Double(49.007253), new Double(2.545025) },
+                { "19", "19 Citroen C6", "Keys from infodesk.", "Paris",
+                        new Double(48.729061), new Double(2.368087) },
+                { "20", "20 Peugeot 308", "Keys from ticket sales.", "Paris",
+                        new Double(48.880931), new Double(2.356988) },
+                { "21", "21 Peugeot 308", "Keys from ticket sales.", "Paris",
+                        new Double(48.876479), new Double(2.358161) },
+                // STHLM
+                { "22", "22 Volvo S60", "Keys from infodesk.", "Stockholm",
+                        new Double(59.350414), new Double(18.106574) },
+                { "23", "23 Saab 93", "Keys from infodesk.", "Stockholm",
+                        new Double(59.355905), new Double(17.946784) },
+                { "24", "24 Smart fourtwo", "Keys from infodesk.", "Stockholm",
+                        new Double(59.315939), new Double(18.095904) },
+                { "25", "25 Smart fourtwo", "Keys from infodesk.", "Stockholm",
+                        new Double(59.330716), new Double(18.058702) },
+        // Boston
+        /*
+         * { "26", "26 Ford Mustang", "Keys from infodesk.", "Boston", new
+         * Double(42.366588), new Double(-71.020955) }, { "27", "27 Smart
+         * fourtwo", "Keys from infodesk.", "Boston", new Double(42.365419), new
+         * Double(-71.061748) }, { "28", "28 Volvo S60", "Keys from Seaport
+         * Hotel reception.", "Boston", new Double(42.34811), new
+         * Double(-71.041127) }, { "29", "29 Smart fourtwo", "Keys from Seaport
+         * Hotel reception.", "Boston", new Double(42.348072), new
+         * Double(-71.041315) },
+         */
+
+        };
+
+        final String q = "INSERT INTO " + Resource.TABLE + "("
+                + Resource.PROPERTY_ID_STYLENAME + ","
+                + Resource.PROPERTY_ID_NAME + ","
+                + Resource.PROPERTY_ID_DESCRIPTION + ","
+                + Resource.PROPERTY_ID_CATEGORY + ","
+                + Resource.PROPERTY_ID_LOCATIONX + ","
+                + Resource.PROPERTY_ID_LOCATIONY + ")"
+                + " VALUES (?,?,?,?,?,?)";
+        try {
+            final PreparedStatement stmt = connection.prepareStatement(q);
+            for (int i = 0; i < resources.length; i++) {
+                int j = 0;
+                stmt.setString(j + 1, (String) resources[i][j++]);
+                stmt.setString(j + 1, (String) resources[i][j++]);
+                stmt.setString(j + 1, (String) resources[i][j++]);
+                stmt.setString(j + 1, (String) resources[i][j++]);
+                stmt.setDouble(j + 1, ((Double) resources[i][j++])
+                        .doubleValue());
+                stmt.setDouble(j + 1, ((Double) resources[i][j++])
+                        .doubleValue());
+                stmt.execute();
+            }
+        } catch (final SQLException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public synchronized void generateDemoUser() {
+        final String q = "INSERT INTO USER (" + User.PROPERTY_ID_FULLNAME + ","
+                + User.PROPERTY_ID_EMAIL + "," + User.PROPERTY_ID_PASSWORD
+                + ") VALUES (?,?,?)";
+        try {
+            final PreparedStatement stmt = connection.prepareStatement(q);
+            stmt.setString(1, "Demo User");
+            stmt.setString(2, "demo.user@itmill.com");
+            stmt.setString(3, "demo");
+            stmt.execute();
+        } catch (final SQLException e) {
+            throw new RuntimeException(e);
+        }
+
+    }
+
+}