protected SDMSObject rowToObject(SystemEnvironment env, ResultSet r) throws SDMSException {
    Long id;
    Long smeId;
    Long trId;
    Long nextTriggerTime;
    Integer timesChecked;
    Integer timesTriggered;
    Long creatorUId;
    Long createTs;
    Long changerUId;
    Long changeTs;
    long validFrom;
    long validTo;

    try {
      id = new Long(r.getLong(1));
      smeId = new Long(r.getLong(2));
      trId = new Long(r.getLong(3));
      nextTriggerTime = new Long(r.getLong(4));
      timesChecked = new Integer(r.getInt(5));
      timesTriggered = new Integer(r.getInt(6));
      creatorUId = new Long(r.getLong(7));
      createTs = new Long(r.getLong(8));
      changerUId = new Long(r.getLong(9));
      changeTs = new Long(r.getLong(10));
      validFrom = 0;
      validTo = Long.MAX_VALUE;
    } catch (SQLException sqle) {
      SDMSThread.doTrace(null, "SQL Error : " + sqle.getMessage(), SDMSThread.SEVERITY_ERROR);

      throw new FatalException(
          new SDMSMessage(
              env,
              "01110182045",
              "TriggerQueue: $1 $2",
              new Integer(sqle.getErrorCode()),
              sqle.getMessage()));
    }
    if (validTo < env.lowestActiveVersion) return null;
    return new SDMSTriggerQueueGeneric(
        id,
        smeId,
        trId,
        nextTriggerTime,
        timesChecked,
        timesTriggered,
        creatorUId,
        createTs,
        changerUId,
        changeTs,
        validFrom,
        validTo);
  }
Esempio n. 2
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  public static String getVariable(Connection conn, String name) throws SQLException {
    String method = "getVariable";
    int location = 1000;
    try {
      location = 2000;
      String value = "";

      location = 2100;
      Statement stmt = conn.createStatement();
      String strSQL = "SELECT os.fn_get_variable('" + name + "')";

      if (debug) Logger.printMsg("Getting Variable: " + strSQL);

      location = 2200;
      ResultSet rs = stmt.executeQuery(strSQL);

      while (rs.next()) {
        value = rs.getString(1);
      }

      location = 2300;
      return value;

    } catch (SQLException ex) {
      throw new SQLException(
          "(" + myclass + ":" + method + ":" + location + ":" + ex.getMessage() + ")");
    }
  }
Esempio n. 3
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  protected void doGet(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {

    PrintWriter writer = response.getWriter();
    String noteName = request.getParameter("noteName");
    String note = request.getParameter("note");

    try {
      Class.forName("com.mysql.jdbc.Driver");
      Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/evernoteDB");

      Statement st = con.createStatement();

      st.executeUpdate(
          "INSERT INTO note (noteName, note) VALUES ('" + noteName + "','" + note + "')");

      response.sendRedirect("/userNotes.jsp");
    } catch (ClassNotFoundException e) {
      writer.println("Couldn't load database driver: " + e.getMessage());
    } catch (SQLException e) {
      writer.println("SQLException caught: " + e.getMessage());
    } catch (Exception e) {
      writer.println(e);
    }
  }
  /**
   * Delete a student from the database. Also deletes the student's folders. Throws
   * InvalidDBRequestException if any error in database connection.
   *
   * @param username student's user name
   * @throws InvalidDBRequestException
   */
  private void purgeStudent(String username) throws InvalidDBRequestException {
    try {
      Class.forName(GaigsServer.DBDRIVER);
      db =
          DriverManager.getConnection(GaigsServer.DBURL, GaigsServer.DBLOGIN, GaigsServer.DBPASSWD);

      Statement stmt = db.createStatement();
      int count;

      // delete from scores
      count = stmt.executeUpdate("delete from scores where user_login = '******'");

      // delete from student
      count = stmt.executeUpdate("delete from student where login = '******'");

      // delete student's folder
      File studentDir = new File("./StudentQuizzes/" + username);
      if (!(studentDir.delete())) {
        System.err.println("Error in deleting folder for student: " + username);
      }

      stmt.close();
      db.close();
    } catch (SQLException e) {
      System.err.println("Invalid SQL in addCourse: " + e.getMessage());
      throw new InvalidDBRequestException("??? ");
    } catch (ClassNotFoundException e) {
      System.err.println("Driver Not Loaded");
      throw new InvalidDBRequestException("Internal Server Error");
    }
  }
  /**
   * Deletes an instructor from the database. Deletes the instructor's courses by invoking the
   * deleteCourse method. Throws InvalidDBRequestException if instructor not in the database or
   * other database connection problems.
   *
   * @see deleteCourse
   * @param instructor instructor's user name
   * @throws InvalidDBRequestException
   */
  public void deleteInstructor(String instructor) throws InvalidDBRequestException {
    try {
      Class.forName(GaigsServer.DBDRIVER);
      db =
          DriverManager.getConnection(GaigsServer.DBURL, GaigsServer.DBLOGIN, GaigsServer.DBPASSWD);

      Statement stmt = db.createStatement();
      int count;

      // delete the instructor's courses
      ResultSet rs =
          stmt.executeQuery(
              "select course_num from course where instructor = '" + instructor + "'");
      while (rs.next()) deleteCourse(rs.getString(1).trim(), instructor);

      // delete the instructor's record
      count = stmt.executeUpdate("delete from instructor where login ='******'");

      rs.close();
      stmt.close();
      db.close();
    } catch (SQLException e) {
      System.err.println("Invalid SQL in addCourse: " + e.getMessage());
      throw new InvalidDBRequestException("??? ");
    } catch (ClassNotFoundException e) {
      System.err.println("Driver Not Loaded");
      throw new InvalidDBRequestException("Internal Server Error");
    }
  }
  /**
   * Deletes students who are older than a certain number of years and not registered to any course.
   *
   * @param year students older than year are candidates to be deleted
   * @throws InvalidDBRequestException
   */
  public void deleteOldStudent(int year) throws InvalidDBRequestException {
    try {
      Class.forName(GaigsServer.DBDRIVER);
      db =
          DriverManager.getConnection(GaigsServer.DBURL, GaigsServer.DBLOGIN, GaigsServer.DBPASSWD);

      Statement stmt = db.createStatement();

      // query all student who have been in the database longer than a number of years and not
      // registered to any course
      ResultSet rs =
          stmt.executeQuery(
              "select login, count(course_id) "
                  + "from student s left join courseRoster r on login = user_login "
                  + "where date_entered < SUBDATE(now(), INTERVAL "
                  + new String().valueOf(year).trim()
                  + " YEAR) "
                  + "group by login, date_entered");
      // delete them
      while (rs.next()) if (rs.getInt(2) == 0) purgeStudent(rs.getString(1).trim());

      rs.close();
      stmt.close();
      db.close();
    } catch (SQLException e) {
      System.err.println("Invalid SQL in addCourse: " + e.getMessage());
      throw new InvalidDBRequestException("??? ");
    } catch (ClassNotFoundException e) {
      System.err.println("Driver Not Loaded");
      throw new InvalidDBRequestException("Internal Server Error");
    }
  }
  /**
   * Remove a student from a particular course. Also Deletes all the quiz vizualisation files in the
   * student's directory which relates to the course. Caution: vizualisation file will be deleted
   * eventhough it also relates to another course if the student is also registered to that course.
   * (FIX ME!) Throws InvalidDBRequestException if the student is not registered in the course,
   * error occured during deletion, or other exception occured.
   *
   * @param username student's user name
   * @param courseID course id (course number + instructor name)
   * @throws InvalidDBRequestException
   */
  public void deleteStudent(String username, String courseID) throws InvalidDBRequestException {
    try {
      Class.forName(GaigsServer.DBDRIVER);
      db =
          DriverManager.getConnection(GaigsServer.DBURL, GaigsServer.DBLOGIN, GaigsServer.DBPASSWD);

      Statement stmt = db.createStatement();
      ResultSet rs;

      int count = 0;

      // check if student registered to the course
      rs =
          stmt.executeQuery(
              "select * from courseRoster where course_id = '"
                  + courseID
                  + "' and user_login = '******'");
      if (!rs.next())
        throw new InvalidDBRequestException("Student is not registered to the course");

      // remove student from the course
      count =
          stmt.executeUpdate(
              "delete from courseRoster where course_id = '"
                  + courseID
                  + "' and user_login = '******'");
      if (count != 1) throw new InvalidDBRequestException("Error occured during deletion!");

      // delete the quiz visualization files
      rs =
          stmt.executeQuery(
              "select distinct unique_id, s.test_name from scores s, courseTest t "
                  + "where s.test_name = t.test_name "
                  + "and course_id = '"
                  + courseID
                  + "' "
                  + "and user_login = '******'");
      while (rs.next()) {
        deleteVisualization(rs.getString(1), username, rs.getString(2));
        count =
            stmt.executeUpdate("delete from scores where unique_id = " + rs.getString(1).trim());
      }

      rs.close();
      stmt.close();
      db.close();
    } catch (SQLException e) {
      System.err.println("Invalid SQL in addstudent: " + e.getMessage());
      throw new InvalidDBRequestException("???");
    } catch (ClassNotFoundException e) {
      System.err.println("Driver Not Loaded");
      throw new InvalidDBRequestException("Internal Server Error");
    }
  }
  /**
   * Check the user's name and password and verify that the user is an instructor. Throws
   * InvalidDBRequestException if user is not an instructor, wrong password, or if any error occured
   * to the database connection.
   *
   * @param name user's user name
   * @param pass user's password
   * @throws InvalidDBRequestException
   */
  public void instructorLogin(String name, String pass) throws InvalidDBRequestException {
    try {
      Connection db;

      Class.forName(GaigsServer.DBDRIVER);
      db =
          DriverManager.getConnection(GaigsServer.DBURL, GaigsServer.DBLOGIN, GaigsServer.DBPASSWD);

      Statement stmt = db.createStatement();
      ResultSet rs;

      // check if instructor
      rs = stmt.executeQuery("select password from instructor where login = '******'");
      if (!rs.next()) {
        if (debug) System.out.println("User not found in the instructor table");
        throw new InvalidDBRequestException("Instructor not registered");
      }

      // check password
      if (!rs.getString(1).equals(pass)) {
        if (debug) System.out.println("Invalid password for user: "******"Invalid password for user: "******"Invalid SQL in instructor login: "******"???");
    } catch (ClassNotFoundException e) {
      System.err.println("Driver Not Loaded");
      throw new InvalidDBRequestException("Server Error");
    }
  }
  /**
   * Gets a list of courses that belongs to an instructor. Throws InvalidDBRequestException if any
   * error occured to the database connection.
   *
   * @param name the instructor's user name
   * @return a vector containing the list of courses
   * @throws InvalidDBRequestException
   */
  public Vector getCourseList(String name) throws InvalidDBRequestException {
    Vector courseList = new Vector();

    try {
      Connection db;

      Class.forName(GaigsServer.DBDRIVER);
      db =
          DriverManager.getConnection(GaigsServer.DBURL, GaigsServer.DBLOGIN, GaigsServer.DBPASSWD);

      Statement stmt = db.createStatement();
      ResultSet rs;

      // get the course list
      rs =
          stmt.executeQuery(
              "select course_num, course_name from course where instructor = '"
                  + name
                  + "' order by course_num");
      while (rs.next()) courseList.add(rs.getString(1) + " - " + rs.getString(2));

      rs.close();
      stmt.close();
      db.close();
    } catch (SQLException e) {
      System.err.println("Invalid SQL in getCourseList: " + e.getMessage());
      throw new InvalidDBRequestException("???");
    } catch (ClassNotFoundException e) {
      System.err.println("Driver Not Loaded");
      throw new InvalidDBRequestException("Server Error");
    }

    return courseList;
  }
Esempio n. 10
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  public static String getVersion(Connection conn) throws SQLException {
    String method = "getVersion";
    int location = 1000;
    try {
      location = 2000;
      String value = "";

      location = 2100;
      Statement stmt = conn.createStatement();
      String strSQL =
          "SELECT CASE "
              + "WHEN POSITION ('HAWQ 2.0.1' in version) > 0 THEN 'HAWQ_2_0_1' "
              + "WHEN POSITION ('HAWQ 2.0.0' in version) > 0 THEN 'HAWQ_2_0_0' "
              + "WHEN POSITION ('HAWQ 1' in version) > 0 THEN 'HAWQ_1' "
              + "WHEN POSITION ('HAWQ' in version) = 0 AND POSITION ('Greenplum Database' IN version) > 0 THEN 'GPDB' "
              + "ELSE 'OTHER' END "
              + "FROM version()";
      if (debug) Logger.printMsg("Getting Variable: " + strSQL);

      location = 2200;
      ResultSet rs = stmt.executeQuery(strSQL);

      while (rs.next()) {
        value = rs.getString(1);
      }

      location = 2300;
      return value;

    } catch (SQLException ex) {
      throw new SQLException(
          "(" + myclass + ":" + method + ":" + location + ":" + ex.getMessage() + ")");
    }
  }
Esempio n. 11
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  public static void customStartAll(Connection conn) throws SQLException {
    String method = "customStartAll";
    int location = 1000;
    try {
      Statement stmt = conn.createStatement();

      int id = 0;
      int gpfdistPort = 0;
      String strSQL = "SELECT id\n";
      strSQL += "FROM os.custom_sql";

      ResultSet rs = stmt.executeQuery(strSQL);
      while (rs.next()) {
        id = rs.getInt(1);
        gpfdistPort = GpfdistRunner.customStart(OSProperties.osHome);

        strSQL = "INSERT INTO os.ao_custom_sql\n";
        strSQL +=
            "(id, table_name, columns, column_datatypes, sql_text, source_type, source_server_name, source_instance_name, source_port, source_database_name, source_user_name, source_pass, gpfdist_port)\n";
        strSQL +=
            "SELECT id, table_name, columns, column_datatypes, sql_text, source_type, source_server_name, source_instance_name, source_port, source_database_name, source_user_name, source_pass, "
                + gpfdistPort
                + "\n";
        strSQL += "FROM os.custom_sql\n";
        strSQL += "WHERE id = " + id;

        stmt.executeUpdate(strSQL);
      }
    } catch (SQLException ex) {
      throw new SQLException(
          "(" + myclass + ":" + method + ":" + location + ":" + ex.getMessage() + ")");
    }
  }
  public void conectarBaseDeDatos() {
    try {
      final String CONTROLADOR = "org.postgresql.Driver";
      Class.forName(CONTROLADOR);
      // System.getProperty( "user.dir" )+"/CarpetaBD/NombredelaBasedeDatos.mdb";
      conexion =
          DriverManager.getConnection(
              "jdbc:postgresql://" + main.ipSeleccionada + "/" + objUtils.nameBD, user, pass);
      // conexion = DriverManager.getConnection("jdbc:postgresql://127.0.0.1/goliak_jg", "postgres",
      // "majcp071102kaiser");

      sentencia = conexion.createStatement();
      /*JOptionPane.showMessageDialog(null, "si conecta");*/
    } catch (ClassNotFoundException ex1) {
      // ex1.printStackTrace();
      javax.swing.JOptionPane.showMessageDialog(null, "Error Carga Driver." + ex1.getMessage());
      System.exit(1);
    } catch (SQLException ex) {
      // ex.printStackTrace();
      javax.swing.JOptionPane.showMessageDialog(
          null,
          "Error Creacion Statement."
              + ex.getMessage()
              + " / "
              + url
              + " / "
              + user
              + " / "
              + pass);
      System.exit(1);
    }
  }
Esempio n. 13
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  /**
   * Maps attributes of an SQL structured type that are not serialized to a serialized form, using
   * the given type map for custom mapping when appropriate. The following types in the Java
   * programming language are mapped to their serialized forms: <code>Struct</code>, <code>SQLData
   * </code>, <code>Ref</code>, <code>Blob</code>, <code>Clob</code>, and <code>Array</code>.
   *
   * <p>This method is called internally and is not used by an application programmer.
   *
   * @param map a <code>java.util.Map</code> object in which each entry consists of 1) a <code>
   *     String</code> object giving the fully qualified name of a UDT and 2) the <code>Class</code>
   *     object for the <code>SQLData</code> implementation that defines how the UDT is to be mapped
   * @throws SerialException if an error occurs
   */
  private void mapToSerial(Map map) throws SerialException {

    try {

      for (int i = 0; i < attribs.length; i++) {
        if (attribs[i] instanceof Struct) {
          attribs[i] = new SerialStruct((Struct) attribs[i], map);
        } else if (attribs[i] instanceof SQLData) {
          attribs[i] = new SerialStruct((SQLData) attribs[i], map);
        } else if (attribs[i] instanceof Blob) {
          attribs[i] = new SerialBlob((Blob) attribs[i]);
        } else if (attribs[i] instanceof Clob) {
          attribs[i] = new SerialClob((Clob) attribs[i]);
        } else if (attribs[i] instanceof Ref) {
          attribs[i] = new SerialRef((Ref) attribs[i]);
        } else if (attribs[i] instanceof java.sql.Array) {
          attribs[i] = new SerialArray((java.sql.Array) attribs[i], map);
        }
      }

    } catch (SQLException e) {
      throw new SerialException(e.getMessage());
    }
    return;
  }
Esempio n. 14
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  public static void failJobs(Connection conn) throws SQLException {
    String method = "failJobs";
    int location = 1000;
    try {
      Statement stmt = conn.createStatement();

      String strSQL =
          "INSERT INTO os.ao_queue (queue_id, status, queue_date, start_date, end_date, "
              + "error_message, num_rows, id, refresh_type, target_schema_name, target_table_name, target_append_only, "
              + "target_compressed, target_row_orientation, source_type, source_server_name, source_instance_name, "
              + "source_port, source_database_name, source_schema_name, source_table_name, source_user_name, "
              + "source_pass, column_name, sql_text, snapshot) "
              + "SELECT queue_id, 'failed' as status, queue_date, start_date, now() as end_date, "
              + "'Outsourcer stop requested' as error_message, num_rows, id, refresh_type, target_schema_name, "
              + "target_table_name, target_append_only, target_compressed, target_row_orientation, source_type, "
              + "source_server_name, source_instance_name, source_port, source_database_name, source_schema_name, "
              + "source_table_name, source_user_name, source_pass, column_name, sql_text, snapshot "
              + "FROM os.queue WHERE status = 'queued'";

      stmt.executeUpdate(strSQL);

    } catch (SQLException ex) {
      throw new SQLException(
          "(" + myclass + ":" + method + ":" + location + ":" + ex.getMessage() + ")");
    }
  }
 // AQUI VOYA  OBTENER EL SERVDUIOR QUEMADO EN UN ARCHIVO DE TEXTO
 public void conectarBaseDeDatos2() {
   try {
     final String CONTROLADOR = "org.postgresql.Driver";
     Class.forName(CONTROLADOR);
     // System.getProperty( "user.dir" )+"/CarpetaBD/NombredelaBasedeDatos.mdb";
     conexion = DriverManager.getConnection(url2, user, pass);
     sentencia = conexion.createStatement();
     /*JOptionPane.showMessageDialog(null, "si conecta");*/
   } catch (ClassNotFoundException ex1) {
     // ex1.printStackTrace();
     javax.swing.JOptionPane.showMessageDialog(null, "Error Carga Driver." + ex1.getMessage());
     System.exit(1);
   } catch (SQLException ex) {
     // ex.printStackTrace();
     javax.swing.JOptionPane.showMessageDialog(
         null,
         "Error Creacion Statement."
             + ex.getMessage()
             + " / "
             + url2
             + " / "
             + user
             + " / "
             + pass);
     System.exit(1);
   }
 }
  /** Creates a Pooled connection and adds it to the connection pool. */
  private void installConnection() throws EmanagerDatabaseException {
    logger.debug("enter");

    PooledConnection connection;

    try {
      connection = poolDataSource.getPooledConnection();
      connection.addConnectionEventListener(this);
      connection.getConnection().setAutoCommit(false);
      synchronized (connectionPool) {
        connectionPool.add(connection);
        logger.debug("Database connection added.");
      }
    } catch (SQLException ex) {
      logger.fatal("exception caught while obtaining database " + "connection: ex = " + ex);
      SQLException ex1 = ex.getNextException();
      while (ex1 != null) {
        logger.fatal("chained sql exception ex1 = " + ex1);
        SQLException nextEx = ex1.getNextException();
        ex1 = nextEx;
      }
      String logString;
      EmanagerDatabaseException ede;

      logString =
          EmanagerDatabaseStatusCode.DatabaseConnectionFailure.getStatusCodeDescription()
              + ex.getMessage();

      logger.fatal(logString);
      ede =
          new EmanagerDatabaseException(
              EmanagerDatabaseStatusCode.DatabaseConnectionFailure, logString);
      throw ede;
    }
  }
Esempio n. 17
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  public static void dropExternalReplTable(
      Connection conn,
      String sourceType,
      String targetSchema,
      String targetTable,
      String sourceTable)
      throws SQLException {
    String method = "dropExternalReplTable";
    int location = 1000;
    try {
      location = 2000;
      String replTargetSchema = externalSchema;

      location = 2100;
      String replTargetTable = getStageTableName(targetSchema, targetTable);

      location = 2200;
      String replSourceTable = getReplTableName(sourceType, sourceTable);

      location = 2315;
      dropExternalTable(conn, replTargetSchema, replTargetTable);
    } catch (SQLException ex) {
      throw new SQLException(
          "(" + myclass + ":" + method + ":" + location + ":" + ex.getMessage() + ")");
    }
  }
Esempio n. 18
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  /**
   * Obtains information on a quiz that a student has taken, which includes the student's answer to
   * the quiz, a unique id of the instance, number of questions in the quiz, number of questions
   * answered correctly, and vizualisation type of the quiz. Throws InvalidDBRequestException if
   * cannot find the record of the stuent taking the quiz, quiz is not registered in the database,
   * or if any error occured to the database connection.
   *
   * @param student student's user name
   * @param quiz quiz name
   * @param startTime the time the student started the quiz
   * @return a string tokenizer containing: answer,uniqueID, numQuestions, numCorrect, and
   *     visualType. It uses "@" as the delimiter.
   * @throws InvalidDBRequestException
   */
  public StringTokenizer getAnswerAndVisualType(String student, String quiz, String startTime)
      throws InvalidDBRequestException {
    String answer;
    String uniqueID;
    String numQuestions;
    String numCorrect;
    String visualType;
    try {
      Connection db;

      Class.forName(GaigsServer.DBDRIVER);
      db =
          DriverManager.getConnection(GaigsServer.DBURL, GaigsServer.DBLOGIN, GaigsServer.DBPASSWD);

      Statement stmt = db.createStatement();
      ResultSet rs;

      // get student's answer, unique id, number of questions, and number of questions answered
      // correctly
      rs =
          stmt.executeQuery(
              "select transcript, unique_id, num_questions, num_correct from scores "
                  + "where test_name = '"
                  + quiz
                  + "' and user_login = '******' and start_time = '"
                  + startTime
                  + "'");
      if (!rs.next()) throw new InvalidDBRequestException("Student has not taken the quiz");
      else {
        answer = rs.getString(1).trim();
        uniqueID = rs.getString(2).trim();
        numQuestions = rs.getString(3).trim();
        numCorrect = rs.getString(4).trim();
      }

      // get quiz vizualisation type
      rs = stmt.executeQuery("select visual_type from test where name = '" + quiz + "' ");
      if (!rs.next())
        throw new InvalidDBRequestException(
            "Quiz was not found! Can't retrieve visualization type.");
      else {
        visualType = rs.getString(1);
      }

      rs.close();
      stmt.close();
      db.close();
    } catch (SQLException e) {
      System.err.println("Invalid SQL in getAnswerAndVisualType: " + e.getMessage());
      throw new InvalidDBRequestException("???");
    } catch (ClassNotFoundException e) {
      System.err.println("Driver Not Loaded");
      throw new InvalidDBRequestException("Internal Server Error");
    }
    return new StringTokenizer(
        answer + "@" + uniqueID + "@" + numQuestions + "@" + numCorrect + "@" + visualType, "@");
  }
Esempio n. 19
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  /**
   * Query a quiz list from the database. If there is no student user name specified, the list will
   * contain all quizzes that are used in the instructor's courses. Otherwise, the list will contain
   * all quizzes that the student has taken and from the instructor's courses which the student is
   * registered. Throws InvalidDBRequestException if any error occured to the database connection.
   *
   * @param instructor instructor's user name
   * @param student student's user name. Can be empty to get a list of all quizzes in the
   *     instructor's courses.
   * @return a vector containing the list of quizzes
   * @throws InvalidDBRequestException
   */
  public Vector getQuizList(String instructor, String student) throws InvalidDBRequestException {
    Vector list = new Vector();

    try {
      Connection db;

      Class.forName(GaigsServer.DBDRIVER);
      db =
          DriverManager.getConnection(GaigsServer.DBURL, GaigsServer.DBLOGIN, GaigsServer.DBPASSWD);

      Statement stmt = db.createStatement();
      ResultSet rs;

      if (!student.equals("")) {
        // get the list that contains all quizzes that the student has taken and from the
        // instructor's courses which the student is registered
        rs =
            stmt.executeQuery(
                "select courseTest.test_name, scores.start_time from scores, courseTest, course "
                    + "where courseTest.test_name = scores.test_name "
                    + "and courseTest.course_id = course.course_id "
                    + "and instructor = '"
                    + instructor
                    + "' and user_login = '******' "
                    + "order by scores.start_time");

        while (rs.next()) {
          list.add(rs.getString(1) + " <" + rs.getString(2) + ">");
        }
      } else {
        // get the list that contains all quizzes that are used in the instructor's courses
        rs =
            stmt.executeQuery(
                "select test_name from courseTest, course "
                    + "where courseTest.course_id = course.course_id "
                    + "and instructor = '"
                    + instructor
                    + "' ");

        while (rs.next()) {
          list.add(rs.getString(1));
        }
      }

      rs.close();
      stmt.close();
      db.close();
    } catch (SQLException e) {
      System.err.println("Invalid SQL in getQuizList: " + e.getMessage());
      throw new InvalidDBRequestException("???");
    } catch (ClassNotFoundException e) {
      System.err.println("Driver Not Loaded");
      throw new InvalidDBRequestException("Internal Server Error");
    }

    return list;
  }
Esempio n. 20
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 /**
  * Sets the SQL structured type that this <code>SerialRef</code> object references to the given
  * <code>Object</code> object.
  *
  * @param obj an <code>Object</code> representing the SQL structured type to be referenced
  * @throws SerialException if an error is encountered generating the the structured type
  *     referenced by this <code>SerialRef</code> object
  */
 public void setObject(Object obj) throws SerialException {
   try {
     reference.setObject(obj);
   } catch (SQLException e) {
     throw new SerialException("SQLException: " + e.getMessage());
   }
   object = obj;
 }
Esempio n. 21
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 public static void connect() {
   try {
     DriverManager.registerDriver(new sun.jdbc.odbc.JdbcOdbcDriver());
     link = DriverManager.getConnection(myURL);
   } catch (SQLException e) {
     System.out.println("Echec de la connexion : " + e.getMessage());
   }
 }
 private static void doUpdate(String cmd) {
   try {
     Statement stmt = conn.createStatement();
     int howmany = stmt.executeUpdate(cmd);
     System.out.println(howmany + " records processed");
   } catch (SQLException e) {
     System.out.println("SQL Exception: " + e.getMessage());
     e.printStackTrace();
   }
 }
Esempio n. 23
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 static void transCommit() {
   if (outputFiles == false) {
     try {
       conn.commit();
     } catch (SQLException se) {
       System.out.println(se.getMessage());
       transRollback();
     }
   } else {
     out.close();
   }
 }
  /**
   * Gets the ConnectionID attribute of the SybaseConnector class
   *
   * @param connection
   * @return The ConnectionID value
   */
  public static long getConnectionID(Connection connection) {
    try {
      Statement stmt = connection.createStatement();
      ResultSet res = stmt.executeQuery("select connection_property('Number')");
      res.next();
      return res.getLong(1);
    } catch (SQLException ex) {
      logger.error("SQL exception retrieving connection ID:" + ex.getMessage());
    }

    return InvalidConnectionId;
  }
Esempio n. 25
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  public static void emailAlert(Connection conn, String errorMsg) throws SQLException {
    String method = "emailAlert";
    int location = 1000;
    try {
      Statement stmt = conn.createStatement();

      String strSQL = "SELECT gp_elog('" + errorMsg + "',true)";
      ResultSet rs = stmt.executeQuery(strSQL);

    } catch (SQLException ex) {
      throw new SQLException(
          "(" + myclass + ":" + method + ":" + location + ":" + ex.getMessage() + ")");
    }
  }
Esempio n. 26
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  /**
   * Method called by the Form panel to delete existing data.
   *
   * @param persistentObject value object to delete
   * @return an ErrorResponse value object in case of errors, VOResponse if the operation is
   *     successfully completed
   */
  public Response deleteRecord(ValueObject persistentObject) throws Exception {
    PreparedStatement stmt = null;
    try {
      stmt = conn.prepareStatement("delete from DEMO4 where TEXT=?");
      DetailTestVO vo = (DetailTestVO) persistentObject;
      stmt.setString(1, vo.getStringValue());
      stmt.execute();

      // this instruction is no more needed: the grid has been linked to the Form (see Form.linkGrid
      // method...)
      //      gridFrame.reloadData();
      return new VOResponse(vo);
    } catch (SQLException ex) {
      ex.printStackTrace();
      return new ErrorResponse(ex.getMessage());
    } finally {
      try {
        stmt.close();
        conn.commit();
      } catch (SQLException ex1) {
      }
    }
  }
Esempio n. 27
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  protected SDMSObject rowToObject(SystemEnvironment env, ResultSet r) throws SDMSException {
    Long id;
    String name;
    Long deleteVersion;
    Long creatorUId;
    Long createTs;
    Long changerUId;
    Long changeTs;
    long validFrom;
    long validTo;

    try {
      id = new Long(r.getLong(1));
      name = r.getString(2);
      deleteVersion = new Long(r.getLong(3));
      creatorUId = new Long(r.getLong(4));
      createTs = new Long(r.getLong(5));
      changerUId = new Long(r.getLong(6));
      changeTs = new Long(r.getLong(7));
      validFrom = 0;
      validTo = Long.MAX_VALUE;
    } catch (SQLException sqle) {
      SDMSThread.doTrace(null, "SQL Error : " + sqle.getMessage(), SDMSThread.SEVERITY_ERROR);

      throw new FatalException(
          new SDMSMessage(
              env,
              "01110182045",
              "Group: $1 $2",
              new Integer(sqle.getErrorCode()),
              sqle.getMessage()));
    }
    if (validTo < env.lowestActiveVersion) return null;
    return new SDMSGroupGeneric(
        id, name, deleteVersion, creatorUId, createTs, changerUId, changeTs, validFrom, validTo);
  }
Esempio n. 28
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  /**
   * Constructs a <code>SerialStruct</code> object from the given <code>SQLData</code> object, using
   * the given type map to custom map it to a class in the Java programming language. The type map
   * gives the SQL type and the class to which it is mapped. The <code>SQLData</code> object defines
   * the class to which the SQL type will be mapped.
   *
   * @param in an instance of the <code>SQLData</code> class that defines the mapping of the SQL
   *     structured type to one or more objects in the Java programming language
   * @param map a <code>java.util.Map</code> object in which each entry consists of 1) a <code>
   *     String</code> object giving the fully qualified name of a UDT and 2) the <code>Class</code>
   *     object for the <code>SQLData</code> implementation that defines how the UDT is to be mapped
   * @throws SerialException if an error occurs
   */
  public SerialStruct(SQLData in, Map<String, Class<?>> map) throws SerialException {

    try {

      // set the type name
      SQLTypeName = new String(in.getSQLTypeName());

      Vector tmp = new Vector();
      in.writeSQL(new SQLOutputImpl(tmp, map));
      attribs = tmp.toArray();

    } catch (SQLException e) {
      throw new SerialException(e.getMessage());
    }
  }
Esempio n. 29
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  /**
   * Returns an <code>Object</code> representing the SQL structured type to which this <code>
   * SerialRef</code> object refers.
   *
   * @return an object instance resolved from the Ref reference
   * @throws SerialException if an error is encountered in the reference resolution
   */
  public Object getObject() throws SerialException {

    if (reference != null) {
      try {
        return reference.getObject();
      } catch (SQLException e) {
        throw new SerialException("SQLException: " + e.getMessage());
      }
    }

    if (object != null) {
      return object;
    }

    throw new SerialException("The object is not set");
  }
Esempio n. 30
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  @Override
  protected void doPost(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {

    // get a connection
    ConnectionPool pool = ConnectionPool.getInstance();
    Connection connection = pool.getConnection();

    String sqlStatement = request.getParameter("sqlStatement");
    String sqlResult = "";
    try {
      // create a statement
      Statement statement = connection.createStatement();

      // parse the SQL string
      sqlStatement = sqlStatement.trim();
      if (sqlStatement.length() >= 6) {
        String sqlType = sqlStatement.substring(0, 6);
        if (sqlType.equalsIgnoreCase("select")) {
          // create the HTML for the result set
          ResultSet resultSet = statement.executeQuery(sqlStatement);
          sqlResult = SQLUtil.getHtmlTable(resultSet);
          resultSet.close();
        } else {
          int i = statement.executeUpdate(sqlStatement);
          if (i == 0) {
            sqlResult = "<p>The statement executed successfully.</p>";
          } else { // an INSERT, UPDATE, or DELETE statement
            sqlResult = "<p>The statement executed successfully.<br>" + i + " row(s) affected.</p>";
          }
        }
      }
      statement.close();
      connection.close();
    } catch (SQLException e) {
      sqlResult = "<p>Error executing the SQL statement: <br>" + e.getMessage() + "</p>";
    } finally {
      pool.freeConnection(connection);
    }

    HttpSession session = request.getSession();
    session.setAttribute("sqlResult", sqlResult);
    session.setAttribute("sqlStatement", sqlStatement);

    String url = "/index.jsp";
    getServletContext().getRequestDispatcher(url).forward(request, response);
  }