org.onecmdb.ui.gwt.toolkit.client.control.OneCMDBSession.java Source code

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Here is the source code for org.onecmdb.ui.gwt.toolkit.client.control.OneCMDBSession.java

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/*
 * OneCMDB, an open source configuration management project.
 * Copyright 2007, Lokomo Systems AB, and individual contributors
 * as indicated by the @authors tag. See the copyright.txt in the
 * distribution for a full listing of individual contributors.
 *
 * 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.onecmdb.ui.gwt.toolkit.client.control;

import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;

import org.onecmdb.ui.gwt.toolkit.client.control.input.AttributeChangeEvent;
import org.onecmdb.ui.gwt.toolkit.client.control.input.IAttributeChangeListener;

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

/**
 * <code>OneCMDBSession is used to handle static 
 * variables, like auth token.
 * 
 */
public class OneCMDBSession {
    private static String oneCMDBServerHost = null;

    static HashMap variables = new HashMap();
    private static List listeners = new ArrayList();

    public static void setAttribute(String name, Object o) {
        Object old = variables.get(name);

        variables.put(name, o);

        fireEvent(new AttributeChangeEvent(name, old, o));
    }

    public static Object getAttribute(String name) {
        return (variables.get(name));
    }

    public static boolean hasAttribute(String name) {
        return (variables.containsKey(name));
    }

    public static String getAuthToken() {
        // Validate token...

        String token = (String) getAttribute("auth_token");
        if (token == null) {
            token = getCookie("auth_token");
        }

        return (token);
    }

    public static void setAuthToken(String token, boolean storeAsCookie) {
        setAttribute("auth_token", token);
        if (storeAsCookie) {
            setCookie("auth_token", token, 1);
        }
    }

    public static boolean isAuthenticated() {
        if (hasAttribute("auth_token")) {
            return (true);
        }

        String token = getCookie("auth_token");
        if (token != null) {
            return (true);
        }

        return (false);

    }

    public static void setOneCMDBURL(String url) {
        oneCMDBServerHost = url;
    }

    public static String getOneCMDBURL() {
        if (oneCMDBServerHost != null) {
            return (oneCMDBServerHost);
        }

        if (!GWT.isScript()) {
            return ("http://localhost:8080");
        }
        return ("..");

    }

    public static void addCallStat(String name, int objects, long start, long stopCall, long stopUI) {
        String key = "PERFORMANCE." + name;
        // For now just add a string entry...
        String value = name + "[" + objects + "]rpcCall=" + (stopCall - start) + "ms, uiUpdate="
                + (stopUI - stopCall) + "ms";
        setAttribute(key, value);
    }

    public static void addAttributeChangeListener(IAttributeChangeListener listener) {
        listeners.add(listener);
    }

    private static void fireEvent(AttributeChangeEvent event) {
        for (Iterator iter = listeners.iterator(); iter.hasNext();) {
            IAttributeChangeListener listener = (IAttributeChangeListener) iter.next();
            listener.onChangeEvent(event);
        }
    }

    public static void addWarning(String string) {
        // TODO Auto-generated method stub

    }

    /*
    public static void setUser(User user) {
       variables.put("user", user);
    }
        
    public static User getUser() {
       Object user = variables.get("user");
       if (user instanceof User) {
     return((User)user);
       }
       return(null);
    }
    */

    /**
      * Helper function to save Cookie
      * 
      * @param cookieName
      *            name of the cookie
      * @param value -
      *            value to be saved in the cookie
      * @param days -
      *            number of days this cookie should be kept alive
      */
    public static void setCookie(String cookieName, String value, int days) {

        Date date = new Date();
        long dateLong = date.getTime();
        dateLong += (1000 * 60 * 60 * 24 * days);// convert days to ms
        date.setTime(dateLong); // Set the new date

        Cookies.setCookie(cookieName, value, date);
    }

    /**
     * Helper function to save Cookie. The cookie will be saved for 30 days by
     * default
     * 
     * @param cookieName
     *            name of the cookie
     * @param value -
     *            value to be saved in the cookie
     */
    public static void setCookie(String cookieName, String value) {
        setCookie(cookieName, value, 30);
    }

    /**
     * Helper function to get the value from the cookie
     * 
     * @param cookieName
     *            Name of the cookie
     * @return value of the cookie
     */
    public static String getCookie(String cookieName) {
        return Cookies.getCookie(cookieName);
    }
}