org.libredraw.client.ClientSession.java Source code

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Here is the source code for org.libredraw.client.ClientSession.java

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/*
   This file is part of LibreDraw.
    
LibreDraw 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
(at your option) any later version.
    
LibreDraw 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 LibreDraw.  If not, see <http://www.gnu.org/licenses/>.
*/

package org.libredraw.client;

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

public class ClientSession {

    private final LibreRPCAsync LibreRPCService = GWT.create(LibreRPC.class);

    private static ClientSession m_instance;
    private static String m_sessionId;

    private ClientSession() {
        String sessionId = Cookies.getCookie("SID");
        if (sessionId != null) {
            m_sessionId = Cookies.getCookie("SID");
            LibreRPCService.login(sessionId, new AsyncCallback<String>() {
                public void onFailure(Throwable caught) {
                }

                public void onSuccess(String result) {
                    if (result != "true")
                        m_sessionId = null;
                }
            });
        } else
            m_sessionId = null;
    }

    public static ClientSession getInstance() {
        if (m_instance == null)
            m_instance = new ClientSession();
        return m_instance;
    }

    public boolean isValid() {
        if (m_sessionId != null)
            return true;
        else
            return false;
    }

    public String getSessionId() {
        return m_sessionId;
    }

}