de.uni_koeln.ub.drc.ui.rcp.ApplicationWorkbenchAdvisor.java Source code

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Here is the source code for de.uni_koeln.ub.drc.ui.rcp.ApplicationWorkbenchAdvisor.java

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/**************************************************************************************************
 * Copyright (c) 2011 Mihail Atanassov. 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
 * <p/>
 * Contributors: Mihail Atanassov - initial API and implementation
 *************************************************************************************************/
package de.uni_koeln.ub.drc.ui.rcp;

import java.net.URL;

import javax.security.auth.login.LoginException;

import org.eclipse.e4.ui.css.swt.theme.IThemeEngine;
import org.eclipse.e4.ui.css.swt.theme.IThemeManager;
import org.eclipse.equinox.security.auth.ILoginContext;
import org.eclipse.equinox.security.auth.LoginContextFactory;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.application.IWorkbenchConfigurer;
import org.eclipse.ui.application.IWorkbenchWindowConfigurer;
import org.eclipse.ui.application.WorkbenchAdvisor;
import org.eclipse.ui.application.WorkbenchWindowAdvisor;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.FrameworkUtil;
import org.osgi.framework.ServiceReference;

import de.uni_koeln.ub.drc.ui.ApplicationWorkbenchWindowAdvisor;
import de.uni_koeln.ub.drc.ui.DrcUiActivator;
import de.uni_koeln.ub.drc.ui.Messages;

/**
 * This workbench advisor creates the window advisor, and specifies the
 * perspective id for the initial window.
 */
@SuppressWarnings("restriction")
public class ApplicationWorkbenchAdvisor extends WorkbenchAdvisor {

    private static final String JAAS_CONFIG_FILE = "jaas_config"; //$NON-NLS-1$
    private ILoginContext loginContext;
    private static final String PERSPECTIVE_ID = "de.uni_koeln.ub.drc.ui.perspective";

    public WorkbenchWindowAdvisor createWorkbenchWindowAdvisor(IWorkbenchWindowConfigurer configurer) {
        return new ApplicationWorkbenchWindowAdvisor(configurer);
    }

    @Override
    @SuppressWarnings({ "rawtypes", "unchecked" })
    public void initialize(IWorkbenchConfigurer configurer) {
        super.initialize(configurer);
        Bundle b = FrameworkUtil.getBundle(getClass());
        BundleContext context = b.getBundleContext();
        ServiceReference serviceRef = context.getServiceReference(IThemeManager.class.getName());
        IThemeManager themeManager = (IThemeManager) context.getService(serviceRef);

        final IThemeEngine engine = themeManager.getEngineForDisplay(Display.getCurrent());
        engine.setTheme("de.uni_koeln.ub.drc.ui.rcp.theme", true); //$NON-NLS-1$
        if (serviceRef != null) {
            serviceRef = null;
        }
        if (themeManager != null) {
            themeManager = null;
        }
    }

    public String getInitialWindowPerspectiveId() {
        return PERSPECTIVE_ID;
    }

    @Override
    public void postStartup() {
        super.postStartup();
        BundleContext bundleContext = DrcUiActivator.getDefault().getBundle().getBundleContext();
        try {
            login(bundleContext);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    private void login(BundleContext bundleContext) throws Exception {
        String configName = "SIMPLE"; //$NON-NLS-1$
        System.out.println("bundleContext : " + bundleContext.getClass().getName().toLowerCase());
        URL configUrl = bundleContext.getBundle().getEntry(JAAS_CONFIG_FILE);
        loginContext = LoginContextFactory.createContext(configName, configUrl);
        try {
            loginContext.login();
            DrcUiActivator.getDefault().setLoginContext(loginContext);
        } catch (LoginException e) {
            e.printStackTrace();
            boolean retry = MessageDialog.openQuestion(null, Messages.get().Error, Messages.get().LoginFailed);
            if (!retry) {
                stop(bundleContext);
                System.exit(0);
            } else {
                login(bundleContext);
            }
        }
    }

    private void stop(BundleContext bundleContext) {
        try {
            DrcUiActivator.getDefault().stop(bundleContext);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

}