Example usage for java.sql DriverManager getConnection

List of usage examples for java.sql DriverManager getConnection

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Introduction

In this page you can find the example usage for java.sql DriverManager getConnection.

Prototype

private static Connection getConnection(String url, java.util.Properties info, Class<?> caller)
            throws SQLException

Source Link

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    try {//from ww  w  .j ava2  s.c om
        String url = "jdbc:odbc:yourdatabasename";
        String driver = "sun.jdbc.odbc.JdbcOdbcDriver";
        String user = "guest";
        String password = "guest";

        FileInputStream fis = new FileInputStream("sometextfile.txt");

        Class.forName(driver);
        Connection connection = DriverManager.getConnection(url, user, password);
        Statement createTable = connection.createStatement();
        createTable.executeUpdate("CREATE TABLE source_code (name char(20), source LONGTEXT)");
        String ins = "INSERT INTO source_code VALUES(?,?)";
        PreparedStatement statement = connection.prepareStatement(ins);

        statement.setString(1, "TryInputStream2");
        statement.setAsciiStream(2, fis, fis.available());

        int rowsUpdated = statement.executeUpdate();
        System.out.println("Rows affected: " + rowsUpdated);
        Statement getCode = connection.createStatement();
        ResultSet theCode = getCode.executeQuery("SELECT name,source FROM source_code");
        BufferedReader reader = null;
        String input = null;

        while (theCode.next()) {
            reader = new BufferedReader(new InputStreamReader(theCode.getAsciiStream("source")));
            while ((input = reader.readLine()) != null) {
                System.out.println(input);
            }
        }
        connection.close();
    } catch (Exception e) {
        System.err.println(e);
    }
}

From source file:Batch.java

static public void main(String[] args) {
    Connection conn = null;/*from w w  w. ja v a  2  s. c o m*/

    try {
        ArrayList breakable = new ArrayList();
        PreparedStatement stmt;
        Iterator users;
        ResultSet rs;

        Class.forName(args[0]).newInstance();
        conn = DriverManager.getConnection(args[1], args[2], args[3]);
        stmt = conn.prepareStatement("SELECT user_id, password " + "FROM user");
        rs = stmt.executeQuery();
        while (rs.next()) {
            String uid = rs.getString(1);
            String pw = rs.getString(2);

            // Assume PasswordCracker is some class that provides
            // a single static method called crack() that attempts
            // to run password cracking routines on the password
            //                if( PasswordCracker.crack(uid, pw) ) {
            //                  breakable.add(uid);
            //            }
        }
        stmt.close();
        if (breakable.size() < 1) {
            return;
        }
        stmt = conn.prepareStatement("UPDATE user " + "SET bad_password = 'Y' " + "WHERE uid = ?");
        users = breakable.iterator();
        while (users.hasNext()) {
            String uid = (String) users.next();

            stmt.setString(1, uid);
            stmt.addBatch();
        }
        stmt.executeBatch();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (conn != null) {
            try {
                conn.close();
            } catch (Exception e) {
            }
        }
    }
}

From source file:Select.java

public static void main(String args[]) {
    String url = "jdbc:msql://carthage.imaginary.com/ora";
    Connection con = null;//from w w w  .j  av  a 2 s.c om

    try {
        String driver = "com.imaginary.sql.msql.MsqlDriver";

        Class.forName(driver).newInstance();
    } catch (Exception e) {
        System.out.println("Failed to load mSQL driver.");
        return;
    }
    try {
        con = DriverManager.getConnection(url, "borg", "");
        Statement select = con.createStatement();
        ResultSet result = select.executeQuery("SELECT test_id, test_val FROM test");

        System.out.println("Got results:");
        while (result.next()) { // process results one row at a time
            int key = result.getInt(1);
            String val = result.getString(2);

            System.out.println("key = " + key);
            System.out.println("val = " + val);
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (con != null) {
            try {
                con.close();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    String driverName = "com.jnetdirect.jsql.JSQLDriver";
    Class.forName(driverName);/*from   w w  w  .  jav  a 2s.  co  m*/

    String serverName = "127.0.0.1";
    String portNumber = "1433";
    String mydatabase = serverName + ":" + portNumber;
    String url = "jdbc:JSQLConnect://" + mydatabase;
    String username = "username";
    String password = "password";

    Connection connection = DriverManager.getConnection(url, username, password);
    String sql = "INSERT INTO mysql_all_table(" + "col_boolean," + "col_byte," + "col_short," + "col_int,"
            + "col_long," + "col_float," + "col_double," + "col_bigdecimal," + "col_string," + "col_date,"
            + "col_time," + "col_timestamp," + "col_asciistream," + "col_binarystream," + "col_blob) "
            + "VALUES(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)";
    PreparedStatement pstmt = connection.prepareStatement(sql);

    pstmt.setBoolean(1, true);
    pstmt.setByte(2, (byte) 123);
    pstmt.setShort(3, (short) 123);
    pstmt.setInt(4, 123);
    pstmt.setLong(5, 123L);
    pstmt.setFloat(6, 1.23F);
    pstmt.setDouble(7, 1.23D);
    pstmt.setBigDecimal(8, new BigDecimal(1.23));
    pstmt.setString(9, "a string");
    pstmt.setDate(10, new java.sql.Date(System.currentTimeMillis()));
    pstmt.setTime(11, new Time(System.currentTimeMillis()));
    pstmt.setTimestamp(12, new Timestamp(System.currentTimeMillis()));

    File file = new File("infilename1");
    FileInputStream is = new FileInputStream(file);
    pstmt.setAsciiStream(13, is, (int) file.length());

    file = new File("infilename2");
    is = new FileInputStream(file);
    pstmt.setBinaryStream(14, is, (int) file.length());

    file = new File("infilename3");
    is = new FileInputStream(file);
    pstmt.setBinaryStream(15, is, (int) file.length());

    pstmt.executeUpdate();
}

From source file:Update.java

public static void main(String args[]) {
    Connection con = null;/* w  ww. j  a v  a  2s .com*/

    if (args.length != 2) {
        System.out.println("Syntax: <java UpdateApp [number] [string]>");
        return;
    }
    try {
        String driver = "com.imaginary.sql.msql.MsqlDriver";

        Class.forName(driver).newInstance();
        String url = "jdbc:msql://carthage.imaginary.com/ora";
        con = DriverManager.getConnection(url, "borg", "");
        Statement s = con.createStatement();
        String test_id = args[0];
        String test_val = args[1];
        int update_count = s.executeUpdate(
                "INSERT INTO test (test_id, test_val) " + "VALUES(" + test_id + ", '" + test_val + "')");

        System.out.println(update_count + " rows inserted.");
        s.close();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (con != null) {
            try {
                con.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    Connection conn = null;/*from   w  w  w.j av  a 2s.  c o  m*/
    PreparedStatement pstmt = null;
    Statement stmt = null;
    ResultSet rs = null;
    Class.forName(JDBC_DRIVER);
    conn = DriverManager.getConnection(DB_URL, USER, PASS);
    stmt = conn.createStatement();
    createXMLTable(stmt);
    File f = new File("build.xml");
    long fileLength = f.length();
    FileInputStream fis = new FileInputStream(f);
    String SQL = "INSERT INTO XML_Data VALUES (?,?)";
    pstmt = conn.prepareStatement(SQL);
    pstmt.setInt(1, 100);
    pstmt.setAsciiStream(2, fis, (int) fileLength);
    pstmt.execute();
    fis.close();
    SQL = "SELECT Data FROM XML_Data WHERE id=100";
    rs = stmt.executeQuery(SQL);
    if (rs.next()) {
        InputStream xmlInputStream = rs.getAsciiStream(1);
        int c;
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        while ((c = xmlInputStream.read()) != -1)
            bos.write(c);
        System.out.println(bos.toString());
    }
    rs.close();
    stmt.close();
    pstmt.close();
    conn.close();
}

From source file:UpdateLogic.java

public static void main(String args[]) {
    Connection con = null;/*from   w  ww .  j  a  v a  2  s  .c  om*/

    if (args.length != 2) {
        System.out.println("Syntax: <java UpdateLogic [number] [string]>");
        return;
    }
    try {
        String driver = "com.imaginary.sql.msql.MsqlDriver";

        Class.forName(driver).newInstance();
        String url = "jdbc:msql://carthage.imaginary.com/ora";
        Statement s;

        con = DriverManager.getConnection(url, "borg", "");
        con.setAutoCommit(false); // make sure auto commit is off!
        s = con.createStatement();// create the first statement
        s.executeUpdate("INSERT INTO test (test_id, test_val) " + "VALUES(" + args[0] + ", '" + args[1] + "')");
        s.close(); // close the first statement
        s = con.createStatement(); // create the second statement
        s.executeUpdate("INSERT into test_desc (test_id, test_desc) " + "VALUES(" + args[0]
                + ", 'This describes the test.')");
        con.commit(); // commit the two statements
        System.out.println("Insert succeeded.");
        s.close(); // close the second statement
    } catch (Exception e) {
        if (con != null) {
            try {
                con.rollback();
            } // rollback on error
            catch (SQLException e2) {
            }
        }
        e.printStackTrace();
    } finally {
        if (con != null) {
            try {
                con.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }
}

From source file:Main.java

public static void main(String[] args) {
    Connection conn = null;/*from ww w  . ja v  a2 s.  co  m*/
    Statement stmt = null;
    try {
        // Register JDBC driver
        Class.forName(JDBC_DRIVER);

        // Open a connection
        System.out.println("Connecting to database...");
        conn = DriverManager.getConnection(DB_URL, USER, PASS);

        // Execute a query
        System.out.println("Creating statement...");
        stmt = conn.createStatement();
        String sql;
        sql = "SELECT id, first, last, age FROM Employees";
        stmt.executeUpdate(
                "CREATE TABLE Employees ( id INTEGER IDENTITY, first VARCHAR(256),  last VARCHAR(256),age INTEGER)");
        stmt.executeUpdate("INSERT INTO Employees VALUES(1,'Jack','Smith', 100)");

        ResultSet rs = stmt.executeQuery(sql);

        // Extract data from result set
        while (rs.next()) {
            // Retrieve by column name
            int id = rs.getInt("id");
            int age = rs.getInt("age");
            String first = rs.getString("first");
            String last = rs.getString("last");

            System.out.print("ID: " + id);
            System.out.print(", Age: " + age);
            System.out.print(", First: " + first);
            System.out.println(", Last: " + last);
        }
        // Clean-up environment
        rs.close();
        stmt.close();
        conn.close();
    } catch (SQLException se) {
        se.printStackTrace();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        // finally block used to close resources
        try {
            if (stmt != null)
                stmt.close();
        } catch (SQLException se2) {
        }
        try {
            if (conn != null)
                conn.close();
        } catch (SQLException se) {
            se.printStackTrace();
        }
    }
    System.out.println("Goodbye!");
}

From source file:ReverseSelect.java

public static void main(String argv[]) {
    Connection con = null;/*from  w w w  . j a  va  2 s.  c om*/

    try {
        String url = "jdbc:msql://carthage.imaginary.com/ora";
        String driver = "com.imaginary.sql.msql.MsqlDriver";
        Properties p = new Properties();
        Statement stmt;
        ResultSet rs;

        p.put("user", "borg");
        Class.forName(driver).newInstance();
        con = DriverManager.getConnection(url, "borg", "");
        stmt = con.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY);
        rs = stmt.executeQuery("SELECT * from test ORDER BY test_id");
        // as a new ResultSet, rs is currently positioned
        // before the first row
        System.out.println("Got results:");
        // position rs after the last row
        rs.afterLast();
        while (rs.previous()) {
            int a = rs.getInt("test_id");
            String str = rs.getString("test_val");

            System.out.print("\ttest_id= " + a);
            System.out.println("/str= '" + str + "'");
        }
        System.out.println("Done.");
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (con != null) {
            try {
                con.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }
}

From source file:Main.java

public static void main(String[] args) {
    Connection conn = null;/*from w  ww.j a  v a 2 s .c o m*/
    Statement stmt = null;
    try {
        // STEP 2: Register JDBC driver
        Class.forName(JDBC_DRIVER);

        // STEP 3: Open a connection
        System.out.println("Connecting to database...");
        conn = DriverManager.getConnection(DB_URL, USER, PASS);

        // STEP 4: Execute a query
        System.out.println("Creating statement...");
        stmt = conn.createStatement();
        String sql;
        sql = "SELECT id, first, last, age FROM Employees";
        stmt.executeUpdate(
                "CREATE TABLE Employees ( id INTEGER IDENTITY, first VARCHAR(256),  last VARCHAR(256),age INTEGER)");
        stmt.executeUpdate("INSERT INTO Employees VALUES(1,'Jack','Smith', 100)");

        ResultSet rs = stmt.executeQuery(sql);

        // STEP 5: Extract data from result set
        while (rs.next()) {
            // Retrieve by column name
            int id = rs.getInt("id");
            int age = rs.getInt("age");
            String first = rs.getString("first");
            String last = rs.getString("last");

            System.out.print("ID: " + id);
            System.out.print(", Age: " + age);
            System.out.print(", First: " + first);
            System.out.println(", Last: " + last);
        }
        // STEP 6: Clean-up environment
        rs.close();
        stmt.close();
        conn.close();
    } catch (SQLException se) {
        se.printStackTrace();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        // finally block used to close resources
        try {
            if (stmt != null)
                stmt.close();
        } catch (SQLException se2) {
        }
        try {
            if (conn != null)
                conn.close();
        } catch (SQLException se) {
            se.printStackTrace();
        }
    }
    System.out.println("Goodbye!");
}