org.geosdi.geoplatform.gui.configuration.resources.GoogleAnalyticsInjector.java Source code

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Here is the source code for org.geosdi.geoplatform.gui.configuration.resources.GoogleAnalyticsInjector.java

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/**
 *
 *    geo-platform
 *    Rich webgis framework
 *    http://geo-platform.org
 *   ====================================================================
 *
 *   Copyright (C) 2008-2014 geoSDI Group (CNR IMAA - Potenza - ITALY).
 *
 *   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 3 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, see http://www.gnu.org/licenses/
 *
 *   ====================================================================
 *
 *   Linking this library statically or dynamically with other modules is
 *   making a combined work based on this library. Thus, the terms and
 *   conditions of the GNU General Public License cover the whole combination.
 *
 *   As a special exception, the copyright holders of this library give you permission
 *   to link this library with independent modules to produce an executable, regardless
 *   of the license terms of these independent modules, and to copy and distribute
 *   the resulting executable under terms of your choice, provided that you also meet,
 *   for each linked independent module, the terms and conditions of the license of
 *   that module. An independent module is a module which is not derived from or
 *   based on this library. If you modify this library, you may extend this exception
 *   to your version of the library, but you are not obligated to do so. If you do not
 *   wish to do so, delete this exception statement from your version.
 */
package org.geosdi.geoplatform.gui.configuration.resources;

import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.ScriptElement;
import com.google.gwt.user.client.Window;
import com.google.inject.Inject;
import static org.geosdi.geoplatform.gui.configuration.resources.GPAbstractInjector.createScriptElement;
import org.geosdi.geoplatform.gui.googleanalytics.builder.GoogleAnalyticsBuilder;
import org.geosdi.geoplatform.gui.googleanalytics.config.annotations.GPGoogleAnalyticAccount;

/**
 *
 * @author Giuseppe La Scaleia - CNR IMAA geoSDI Group
 * @email giuseppe.lascaleia@geosdi.org
 */
public class GoogleAnalyticsInjector extends GPAbstractInjector implements GoogleAnalyticsBuilder {

    private final String userAccount;

    @Inject
    public GoogleAnalyticsInjector(@GPGoogleAnalyticAccount String theUserAccount) {
        this.userAccount = theUserAccount;
    }

    @Override
    public void buildAnalytics() {
        ScriptElement analyticsElement = createScriptElement();
        analyticsElement.setText("var _gaq = _gaq || " + "[];_gaq.push(['_setAccount', '" + userAccount
                + "']);_gaq.push(['_trackPageview']);");

        Element firstScript = getHead().getElementsByTagName("script").getItem(0);

        firstScript.getParentNode().insertBefore(analyticsElement, firstScript);

        ScriptElement script = createScriptElement();

        script.setSrc(("https:".equals(Window.Location.getProtocol()) ? "https://ssl" : "http://www")
                + ".google-analytics.com/ga.js");

        script.setType("text/javascript");
        script.setAttribute("async", "true");

        firstScript.getParentNode().insertBefore(script, firstScript);
    }

}