edu.nps.moves.mmowgli.signupServer.SignupServer.java Source code

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Here is the source code for edu.nps.moves.mmowgli.signupServer.SignupServer.java

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/*
  Copyright (C) 2010-2014 Modeling Virtual Environments and Simulation
  (MOVES) Institute at the Naval Postgraduate School (NPS)
  http://www.MovesInstitute.org and http://www.nps.edu
     
  This file is part of Mmowgli.
      
  Mmowgli 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 3 of the License, or
  any later version.
    
  Mmowgli 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 Mmowgli in the form of a file named COPYING.  If not,
  see <http://www.gnu.org/licenses/>
*/

package edu.nps.moves.mmowgli.signupServer;

import java.util.Timer;
import java.util.TimerTask;
import java.util.UUID;

import javax.servlet.annotation.WebServlet;

import com.vaadin.annotations.Push;
import com.vaadin.annotations.Theme;
import com.vaadin.annotations.Widgetset;
import com.vaadin.server.Page;
import com.vaadin.server.VaadinRequest;
import com.vaadin.shared.Position;
import com.vaadin.shared.communication.PushMode;
import com.vaadin.shared.ui.ui.Transport;
import com.vaadin.ui.*;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;

import edu.nps.moves.mmowgli.AppMaster;
import edu.nps.moves.mmowgli.components.HtmlLabel;
import edu.nps.moves.mmowgli.db.Game;
import edu.nps.moves.mmowgli.db.MovePhase;
import edu.nps.moves.mmowgli.hibernate.HSess;
import edu.nps.moves.mmowgli.markers.HasUUID;

/**
 * SignupServer.java
 * Created on Dec 21, 2012
 *
 * MOVES Institute
 * Naval Postgraduate School, Monterey, CA, USA
 * www.nps.edu
 *
 * @author Mike Bailey, jmbailey@nps.edu
 * @version $Id$
 */

// Push is used to goose the redir
@Push(value = PushMode.MANUAL, transport = Transport.LONG_POLLING) // possibly overridden in web.xml

@Theme("mmowgli2")
@Widgetset("edu.nps.moves.mmowgli.widgetset.Mmowgli2Widgetset")
public class SignupServer extends UI implements HasUUID {
    private static final long serialVersionUID = 9205707803230381489L;
    private String tail2 = "/signup"; //This gets overwritten with actual annotation from SignupServlet.java
    private UUID uuid;

    /**
     * Init is invoked on application load (when a user accesses the application
     * at this URL for the first time).
     */

    @Override
    public void init(VaadinRequest req) {
        uuid = UUID.randomUUID();
        // Check if we want a signup window
        HSess.init();
        Game g = Game.getTL();
        MovePhase ph = g.getCurrentMove().getCurrentMovePhase();

        if (ph.isSignupPageEnabled()) {
            VerticalLayout vl = new VerticalLayout();
            setContent(vl);
            vl.addComponent(new SignupWindow("Signup for mmowgli", this));
        } else { // Redirect to game site
            Class<SignupServlet> obj = SignupServlet.class;
            WebServlet anno = (WebServlet) obj.getAnnotation(WebServlet.class);
            tail2 = anno.value()[0];
            while (!Character.isLetterOrDigit(tail2.charAt(tail2.length() - 1)))
                tail2 = tail2.substring(0, tail2.length() - 1);

            String url = AppMaster.getUrlString();

            if (url.toLowerCase().endsWith(tail2))
                url = url.substring(0, url.length() - tail2.length());
            else
                System.err.println("********* Don't recognize this url: " + url);

            doRedirNotification(url);
            //  Window w = new RedirWindow(url);
            //  w.center();
            //  addWindow(w);
        }
        HSess.close();
    }

    private void doRedirNotification(final String url) {
        Notification notif = new Notification("<center>Welcome to MMOWGLI!<center>",
                "<br/><center>We're taking you directly to the game.<center>", Notification.Type.HUMANIZED_MESSAGE);

        notif.setDelayMsec(5000);
        notif.setPosition(Position.MIDDLE_CENTER);
        notif.setHtmlContentAllowed(true);
        notif.setStyleName("m-green-notification");
        notif.show(Page.getCurrent());

        Timer timer = new Timer();
        timer.schedule(new TimerTask() {
            @Override
            public void run() {
                UI.getCurrent().access(new Runnable() {
                    @Override
                    public void run() {
                        quitUIAndGoTo(url);
                    }
                });
            }
        }, 4000);
    }

    /* This one is used from other places; may be possible to combine with quitUIAndGoTo, but the 2nd is the only one that works in this servlet */
    public void quitAndGoTo(String logoutUrl) {
        getPage().setLocation(logoutUrl);
        getSession().close();
    }

    private void quitUIAndGoTo(String logoutUrl) {
        getPage().setLocation(logoutUrl);
        UI.getCurrent().close();
    }

    class RedirWindow extends Window implements ClickListener {
        private static final long serialVersionUID = 1L;

        String url;

        public RedirWindow(String url) {
            setCaption("mmowgli!");

            this.url = url;

            VerticalLayout vl = new VerticalLayout();
            vl.setMargin(true);
            vl.setSpacing(true);

            setContent(vl);

            Label label = new HtmlLabel("The signup period for this <b>mmowgli</b> game is over.");
            label.setSizeUndefined();
            vl.addComponent(label);
            vl.setComponentAlignment(label, Alignment.MIDDLE_CENTER);

            Button butt = new Button("Click to go to the game.", this);
            vl.addComponent(butt);
            vl.setComponentAlignment(butt, Alignment.MIDDLE_CENTER);
        }

        @Override
        public void buttonClick(ClickEvent event) {
            quitAndGoTo(url);
        }
    }

    public String getUI_UUID() {
        return uuid.toString();
    }
}