UserController.java

/**
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.ut.biolab.medsavant.client.user;

import java.rmi.RemoteException;
import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;

import org.ut.biolab.medsavant.MedSavantClient;
import org.ut.biolab.medsavant.client.view.login.LoginController;
import org.ut.biolab.medsavant.shared.model.UserLevel;
import org.ut.biolab.medsavant.client.util.Controller;
import org.ut.biolab.medsavant.client.util.MedSavantExceptionHandler;
import org.ut.biolab.medsavant.shared.model.SessionExpiredException;


/**
 *
 * @author mfiume
 */
public class UserController extends Controller<UserEvent> {

    private static UserController instance;

    public static UserController getInstance() {
        if (instance == null) {
            instance = new UserController();
        }
        return instance;
    }

    public void addUser(String name, char[] pass, UserLevel level) throws SQLException, RemoteException {
        try {
            MedSavantClient.UserManager.addUser(LoginController.getSessionID(), name, pass, level);
        } catch (SessionExpiredException ex) {
            MedSavantExceptionHandler.handleSessionExpiredException(ex);
            return;
        }
        fireEvent(new UserEvent(UserEvent.Type.ADDED, name, level));
    }

    public void removeUser(String name) throws SQLException, RemoteException {
        try {
            MedSavantClient.UserManager.removeUser(LoginController.getSessionID(), name);
        } catch (SessionExpiredException ex) {
            MedSavantExceptionHandler.handleSessionExpiredException(ex);
            return;
        }
        fireEvent(new UserEvent(UserEvent.Type.REMOVED, name, UserLevel.NONE));
    }

    public String[] getUserNames() throws SQLException, RemoteException {
        try {
            return MedSavantClient.UserManager.getUserNames(LoginController.getSessionID());
        } catch (SessionExpiredException ex) {
            MedSavantExceptionHandler.handleSessionExpiredException(ex);
            return null;
        }
    }
}