/*
* org.openmicroscopy.shoola.env.data.login.NullLoginService
*
*------------------------------------------------------------------------------
* Copyright (C) 2006 University of Dundee. All rights reserved.
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*------------------------------------------------------------------------------
*/
package org.openmicroscopy.shoola.env.data.login;
//Java imports
//Third-party libraries
//Application-internal dependencies
import org.openmicroscopy.shoola.env.event.AgentEvent;
/**
* Implements the {@link LoginService} interface to be a Null Object, that is
* to do nothing.
*
* @author Jean-Marie Burel
* <a href="mailto:j.burel@dundee.ac.uk">j.burel@dundee.ac.uk</a>
* @author <br>Andrea Falconi
* <a href="mailto:a.falconi@dundee.ac.uk">
* a.falconi@dundee.ac.uk</a>
* @version 2.2
* <small>
* (<b>Internal version:</b> $Revision$ $Date$)
* </small>
* @since OME2.2
*/
public class NullLoginService
implements LoginService
{
/**
* @see LoginService#getState()
*/
public int getState() { return 0; }
/**
* @see LoginService#login()
*/
public void login() {}
/**
* @see LoginService#login(UserCredentials)
*/
public int login(UserCredentials uc) { return 0; }
/**
* @see LoginService#eventFired(AgentEvent)
*/
public void eventFired(AgentEvent serviceActivationRequest) {}
/**
* @see LoginService#notifyLoginFailure()
*/
public void notifyLoginFailure() {}
/**
* @see LoginService#notifyLoginTimeout()
*/
public void notifyLoginTimeout() {}
/**
* @see LoginService#isConnected()
*/
public boolean isConnected() { return false; }
}