edu.ucla.loni.pipeline.client.EntryPoint.LONI_Pipeline_Server_Terminal.java Source code

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Here is the source code for edu.ucla.loni.pipeline.client.EntryPoint.LONI_Pipeline_Server_Terminal.java

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/*
 * This file is part of LONI Pipeline Web-based Server Terminal.
 * 
 * LONI Pipeline Web-based Server Terminal 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 3 of the License, or (at your option)
 * any later version.
 *
 * LONI Pipeline Web-based Server Terminal 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 LONI Pipeline Web-based Server Terminal.
 * If not, see <http://www.gnu.org/licenses/>.
 */

package edu.ucla.loni.pipeline.client.EntryPoint;

import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.core.shared.GWT;
import com.google.gwt.user.client.Cookies;
import com.google.gwt.user.client.rpc.AsyncCallback;

import edu.ucla.loni.pipeline.client.Login.LONI_Pipeline_ST_Login_Display;
import edu.ucla.loni.pipeline.client.Login.SessionId;
import edu.ucla.loni.pipeline.client.Login.SessionService;
import edu.ucla.loni.pipeline.client.Login.SessionServiceAsync;
import edu.ucla.loni.pipeline.client.Login.UserDTO;
import edu.ucla.loni.pipeline.client.MainPage.LONI_Pipeline_ST_Tabset_Display;

/**
 * Entry point classes define <code>onModuleLoad()</code>.
 */
public class LONI_Pipeline_Server_Terminal implements EntryPoint {

    private final LONI_Pipeline_ST_Login_Display wbsl;
    private final LONI_Pipeline_ST_Tabset_Display wbst;
    private final SessionId sessionId = new SessionId();
    private final UserDTO user = new UserDTO();

    public LONI_Pipeline_Server_Terminal() {
        wbsl = new LONI_Pipeline_ST_Login_Display();
        wbst = new LONI_Pipeline_ST_Tabset_Display("Guest");
        sessionId.setSessionId(Cookies.getCookie("session"));
        System.out.println("Get Cookie: session = " + Cookies.getCookie("session"));

        if (sessionId == null) {
            System.out.println("sessionId == null");
        } else {
            System.out.println("sessionId != null");
        }
    }

    /**
     * This is the entry point method. This is generated and managed by the
     * visual designer.
     */
    @Override
    public void onModuleLoad() {
        // Build Login Page
        validateSession();
        // wbsl.buildMainPage(user, sessionId);
    }

    private void validateSession() {
        System.out.println("validateSession()");

        SessionServiceAsync myServiceAsync = GWT.create(SessionService.class);

        AsyncCallback<SessionId> asyncCallback = new AsyncCallback<SessionId>() {
            @Override
            public void onFailure(Throwable caught) {
                System.out.println(caught);
                System.out.println("validateSession(): onFailure");
            }

            @Override
            public void onSuccess(SessionId result) {
                System.out.println("validateSession(): onSuccess");

                if (result == null) {
                    System.out.println("result == null");
                } else {
                    System.out.println("result.getSessionId = " + result.getSessionId());
                }
                System.out.println("sessionId.getSessionId = " + sessionId.getSessionId());

                if ((result == null) || (!sessionId.getSessionId().equals(result.getSessionId()))) {
                    // Build Login Page
                    System.out.println("First log in");
                    wbsl.buildMainPage(user, sessionId);
                } else if (sessionId.getSessionId().equals(result.getSessionId())) {
                    System.out.println("Already log in");
                    wbst.buildMainPage(user, sessionId);
                }
            }
        };
        myServiceAsync.session(sessionId, asyncCallback);
    }
}