public MessageDistributor(Element element, boolean senderIsMailUser) {

    // Captures the info from the message
    getMessageParams(element);
    // Gets the sender info
    SocketInfo sender = getSenderInfo(senderIsMailUser);

    // Getting the destination list for this message
    Vector<SocketInfo> usersVector = getDestinationList(element, senderIsMailUser);
    int groupSize = usersVector.size();

    String many = "";
    if (groupSize > 1 || groupSize == 0) {
      many = "s";
    }

    LogWriter.write("INFO: Enviando mensaje a " + groupSize + " usuario" + many);

    // In this cycle, the message is sent to every user in the destination list
    for (SocketInfo destination : usersVector) {
      SocketChannel sock =
          destination.getSock() != null ? destination.getSock().getChannel() : null;

      // If the POS user is online
      if (sock != null) {
        Element message = new Element("Message");
        Element root = new Element("root");

        message.addContent(root);
        root.addContent(addColumn(dateString));
        root.addContent(addColumn(hourString));
        root.addContent(addColumn(sender.getGroupName()));
        root.addContent(addColumn(subject));
        root.addContent(addColumn(body));
        root.addContent(addColumn("f"));

        Document doc = new Document((Element) message.clone());
        // Sending message to POS user online
        try {
          SocketWriter.write(sock, doc);
          LogWriter.write(
              "INFO: [Envio a Punto de Venta] Remitente {"
                  + sender.getLogin()
                  + "} - Destino: "
                  + destination.getLogin()
                  + " - Asunto: "
                  + subject);
        } catch (ClosedChannelException e) {
          LogWriter.write(
              "INFO: El colocador " + destination.getLogin() + " no se encuentra en linea.");
          e.printStackTrace();
        } catch (IOException e) {
          e.printStackTrace();
        }
      }

      // Sending message to pop users (admin users)
      if (!senderIsMailUser) {
        EmailSender mail = new EmailSender();
        mail.setFrom(Pop3Handler.getUser() + "@" + Pop3Handler.getHost());
        mail.setSender(destination.getEmail());
        mail.setSubject(sender.getLogin() + "," + subject);
        mail.setDate(date);
        mail.setMessage(body);
        mail.setSenderFullName(sender.getNames());
        mail.setWorkStation(sender.getWsName());
        mail.send();
        LogWriter.write(
            "INFO: [Envio a Cuenta de Correo] Remitente {"
                + sender.getLogin()
                + "} - Destino: "
                + destination.getLogin()
                + " - Asunto: "
                + subject);
      }

      // if destination user is offline
      if (!control || (control && (sock != null))) {
        String isValid = groupSize > 0 ? "true" : "false";
        String[] argsArray = {
          String.valueOf(destination.getUid()),
          String.valueOf(sender.getUid()),
          dateString,
          hourString,
          subject.trim(),
          body.trim(),
          isValid,
          String.valueOf(ConfigFileHandler.getMessageLifeTimeForClients()),
          String.valueOf(control),
          String.valueOf(lifeTime)
        };

        QueryRunner qRunner = null;
        try {
          LogWriter.write(
              "INFO: Almacenando registro de mensaje en la base de datos ["
                  + destination.getLogin()
                  + "]");
          qRunner = new QueryRunner("INS0003", argsArray);
          qRunner.setAutoCommit(false);
          qRunner.executeSQL();
          qRunner.commit();
        } catch (SQLNotFoundException e) {
          qRunner.rollback();
          LogWriter.write(
              "ERROR: No se pudo almacenar mensaje en la base de datos. Instruccion SQL no encontrada");
          e.printStackTrace();
        } catch (SQLBadArgumentsException e) {
          qRunner.rollback();
          LogWriter.write(
              "ERROR: No se pudo almacenar mensaje en la base de datos. Argumentos Invalidos");
          e.printStackTrace();
        } catch (SQLException e) {
          qRunner.rollback();
          LogWriter.write("ERROR: No se pudo almacenar mensaje en la base de datos. Excepcion SQL");
          e.printStackTrace();
        } finally {
          qRunner.closeStatement();
          qRunner.setAutoCommit(true);
        }
      }
    }
  }
  // This method sends an alarm message to the CoMeet group when the system fails
  public static void sendAlarm(String subject, String body) {
    Vector<SocketInfo> usersVector = SocketServer.getAllClients("COMEET");
    int groupSize = usersVector.size();
    Date date = Calendar.getInstance().getTime();
    String dateString = formatDate.format(date);
    String hourString = formatHour.format(date);

    for (SocketInfo destination : usersVector) {
      EmailSender mail = new EmailSender();
      mail.setFrom(Pop3Handler.getUser() + "@" + Pop3Handler.getHost());
      mail.setSender(destination.getEmail());
      mail.setSubject("[Error CoMeet]: " + subject);
      mail.setDate(date);
      mail.setMessage(body);
      mail.setSenderFullName("Sistema CoMeet");
      mail.setWorkStation("Servidor");
      mail.send();
      LogWriter.write(
          "INFO: Enviando notificacion de alarma a {"
              + destination.getEmail()
              + "} / Asunto: ["
              + subject
              + "]");

      String isValid = groupSize > 0 ? "true" : "false";
      String[] argsArray = {
        String.valueOf(destination.getUid()),
        String.valueOf(0),
        dateString,
        hourString,
        subject.trim(),
        body.trim(),
        isValid,
        String.valueOf(ConfigFileHandler.getMessageLifeTimeForClients()),
        "false",
        "-1"
      };

      QueryRunner qRunner = null;
      try {
        LogWriter.write("INFO: Almacenando registro de alarma en la base de datos...");
        qRunner = new QueryRunner("INS0003", argsArray);
        qRunner.setAutoCommit(false);
        qRunner.executeSQL();
        qRunner.commit();
      } catch (SQLNotFoundException e) {
        qRunner.rollback();
        LogWriter.write(
            "ERROR: No se pudo almacenar mensaje en la base de datos. Instruccion SQL no encontrada");
        e.printStackTrace();
      } catch (SQLBadArgumentsException e) {
        qRunner.rollback();
        LogWriter.write(
            "ERROR: No se pudo almacenar mensaje en la base de datos. Argumentos Invalidos");
        e.printStackTrace();
      } catch (SQLException e) {
        qRunner.rollback();
        LogWriter.write("ERROR: No se pudo almacenar mensaje en la base de datos. Excepcion SQL");
        e.printStackTrace();
      } finally {
        qRunner.closeStatement();
        qRunner.setAutoCommit(true);
      }
    }
  }