com.bibisco.rcp.Application.java Source code

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Here is the source code for com.bibisco.rcp.Application.java

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/*
 * Copyright (C) 2014-2016 Andrea Feccomandi
 *
 * Licensed under the terms of GNU GPL License;
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.gnu.org/licenses/gpl-2.0.html
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY. 
 * See the GNU General Public License for more details.
 * 
 */
package com.bibisco.rcp;

import java.util.Locale;
import java.util.ResourceBundle;

import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.eclipse.core.runtime.Platform;
import org.eclipse.equinox.app.IApplication;
import org.eclipse.equinox.app.IApplicationContext;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.PlatformUI;

import com.bibisco.dao.SqlSessionFactoryManager;
import com.bibisco.log.Log;
import com.bibisco.manager.ContextManager;
import com.bibisco.manager.JettyManager;
import com.bibisco.manager.LocaleManager;

/**
 * This class controls all aspects of the application's execution
 *
 * @author Andrea Feccomandi
 */
public class Application implements IApplication {

    Log mLog;

    public Object start(IApplicationContext context) throws Exception {

        Display display = PlatformUI.createDisplay();

        // init log directory path
        String lStrLogPath = Platform.getInstallLocation().getURL().getPath();
        System.setProperty("bibiscoLogDirectory", lStrLogPath);
        mLog = Log.getInstance(Application.class);
        mLog.info("log directory path = ", lStrLogPath);

        // check if db needs to be updated
        checkDB();

        // check if another instance of bibisco is running
        if (anotherBibiscoInstanceIsRunning()) {
            // use default locale, because I can't read Locale from db: is locked!!
            ResourceBundle lResourceBundle = ResourceBundle.getBundle("ApplicationResources", Locale.getDefault());
            MessageDialog.openError(new Shell(display),
                    lResourceBundle.getString("Application.anotherBibiscoInstanceIsRunning.title"),
                    lResourceBundle.getString("Application.anotherBibiscoInstanceIsRunning.text"));

            return IApplication.EXIT_OK;

        } else {

            // start Jetty
            JettyManager.getInstance().start();

            // init Locale
            LocaleManager.getInstance();

            ContextManager lContextManager = ContextManager.getInstance();

            // init xulrunner path and xulrunner appdata path
            // if win or linux init xulrunner path
            if (lContextManager.getOS().equals("win") || lContextManager.getOS().equals("linux32")
                    || lContextManager.getOS().equals("linux64")) {
                String lStrXulRunnerPath = lContextManager.getXulRunnerDirectoryPath();
                mLog.info("XulRunnerPath = ", lStrXulRunnerPath);
                System.setProperty("org.eclipse.swt.browser.XULRunnerPath", lStrXulRunnerPath);

                String lStrXulRunnerAppDataPath = lContextManager.getXulRunnerAppDataDirectoryPath();
                mLog.info("XulRunnerAppDataPath = ", lStrXulRunnerAppDataPath);
                System.setProperty("org.eclipse.swt.browser.MOZ_PROFILE_PATH", lStrXulRunnerAppDataPath);
            }

            // create and run workbench
            try {
                int returnCode = PlatformUI.createAndRunWorkbench(display, new ApplicationWorkbenchAdvisor());
                if (returnCode == PlatformUI.RETURN_RESTART)
                    return IApplication.EXIT_RESTART;
                else
                    return IApplication.EXIT_OK;
            } finally {
                display.dispose();
            }
        }

    }

    private void checkDB() {

        mLog.debug("Start checkDB()");

        checkBibiscoVersion();

        mLog.debug("End checkDB()");
    }

    private void checkBibiscoVersion() {
        // TODO Auto-generated method stub

    }

    private boolean anotherBibiscoInstanceIsRunning() {

        boolean lBlnResult = false;

        try {
            SqlSessionFactory lSqlSessionFactory = SqlSessionFactoryManager.getInstance()
                    .getSqlSessionFactoryBibisco();
            SqlSession lSqlSession = lSqlSessionFactory.openSession();
            lSqlSession.close();
        } catch (Throwable t) {
            mLog.error(t);
            lBlnResult = true;
        }

        return lBlnResult;
    }

    public void stop() {
        if (!PlatformUI.isWorkbenchRunning())
            return;

        JettyManager.getInstance().stop();

        final IWorkbench workbench = PlatformUI.getWorkbench();
        final Display display = workbench.getDisplay();
        display.syncExec(new Runnable() {
            public void run() {
                if (!display.isDisposed())
                    workbench.close();
            }
        });
    }
}