org.rcpbook.hyperbola.ui.Application.java Source code

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Here is the source code for org.rcpbook.hyperbola.ui.Application.java

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/*******************************************************************************
 * Copyright (c) 2004 - 2011 Jean-Michel Lemieux, Jeff McAffer and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Hyperbola is an RCP application developed for the book 
 *     Eclipse Rich Client Platform - 
 *         Designing, Coding, and Packaging Java Applications 
 * See http://eclipsercp.org
 * 
 * Contributors:
 *     Jean-Michel Lemieux and Jeff McAffer - initial implementation
 *     Pavel Samolisov - building and additional features
 *******************************************************************************/
package org.rcpbook.hyperbola.ui;

import java.lang.reflect.InvocationTargetException;

import org.eclipse.core.runtime.IBundleGroup;
import org.eclipse.core.runtime.IBundleGroupProvider;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.preferences.ConfigurationScope;
import org.eclipse.equinox.app.IApplication;
import org.eclipse.equinox.app.IApplicationContext;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.PlatformUI;
import org.jivesoftware.smack.XMPPException;
import org.osgi.service.prefs.Preferences;
import org.rcpbook.hyperbola.ui.dialogs.LoginDialog;
import org.rcpbook.hyperbola.ui.model.ConnectionDetails;
import org.rcpbook.hyperbola.ui.model.Session;
import org.rcpbook.hyperbola.ui.preferences.GeneralPreferencePage;

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

    public static String PLUGIN_ID = "org.rcpbook.hyperbola.ui"; //$NON-NLS-1$

    /* (non-Javadoc)
     * @see org.eclipse.equinox.app.IApplication#start(org.eclipse.equinox.app.IApplicationContext)
     */
    public Object start(IApplicationContext context) throws Exception {
        Display display = PlatformUI.createDisplay();
        context.applicationRunning();
        logInstalledBundlesGroups();
        try {
            final Session session = Session.getInstance();
            if (!login(session))
                return IApplication.EXIT_OK;
            int returnCode = PlatformUI.createAndRunWorkbench(display, new ApplicationWorkbenchAdvisor());
            if (returnCode == PlatformUI.RETURN_RESTART)
                return IApplication.EXIT_RESTART;
            else
                return IApplication.EXIT_OK;
        } finally {
            display.dispose();
        }

    }

    /* (non-Javadoc)
     * @see org.eclipse.equinox.app.IApplication#stop()
     */
    public void stop() {
        if (!PlatformUI.isWorkbenchRunning())
            return;
        final IWorkbench workbench = PlatformUI.getWorkbench();
        final Display display = workbench.getDisplay();
        display.syncExec(new Runnable() {
            public void run() {
                if (!display.isDisposed())
                    workbench.close();
            }
        });
    }

    private boolean login(final Session session) {
        boolean firstTry = true;
        LoginDialog dialog = new LoginDialog(null);
        while (session.getConnection() == null || !session.getConnection().isAuthenticated()) {
            ConnectionDetails details = dialog.getConnectionDetails();
            if (!isAutoLogin() || details == null || !firstTry) {
                if (dialog.open() != Window.OK)
                    return false;
                details = dialog.getConnectionDetails();
            }
            firstTry = false;
            session.setConnectionDetails(details);
            connectWithProgress(session);
        }

        return true;
    }

    private boolean isAutoLogin() {
        Preferences preferences = new ConfigurationScope().getNode(Application.PLUGIN_ID);
        return preferences.getBoolean(GeneralPreferencePage.AUTO_LOGIN, false);
    }

    private void connectWithProgress(final Session session) {
        ProgressMonitorDialog progress = new ProgressMonitorDialog(null);
        progress.setCancelable(true);
        try {
            progress.run(true, true, new IRunnableWithProgress() {
                public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
                    try {
                        session.connectAndLogin(monitor);
                    } catch (XMPPException e) {
                        throw new InvocationTargetException(e);
                    }
                }
            });
        } catch (InvocationTargetException e) {
            // TODO: handle exception
        } catch (InterruptedException e) {
            // TODO: handle exception
        }
    }

    private void logInstalledBundlesGroups() {
        IBundleGroupProvider[] providers = Platform.getBundleGroupProviders();
        for (IBundleGroupProvider provider : providers) {
            System.out.println(provider.getName() + " " + provider.getClass().getName());
            IBundleGroup[] groups = provider.getBundleGroups();
            for (IBundleGroup group : groups)
                System.out.println("--- " + group.getName());
        }
    }
}