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

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Here is the source code for de.uni_koeln.ub.drc.ui.rap.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.rap;

import java.net.URL;

import javax.security.auth.login.LoginException;

import org.eclipse.equinox.security.auth.ILoginContext;
import org.eclipse.equinox.security.auth.LoginContextFactory;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.rwt.RWT;
import org.eclipse.rwt.internal.lifecycle.JavaScriptResponseWriter;
import org.eclipse.rwt.internal.service.ContextProvider;
import org.eclipse.rwt.lifecycle.PhaseEvent;
import org.eclipse.rwt.lifecycle.PhaseId;
import org.eclipse.rwt.lifecycle.PhaseListener;
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.BundleContext;

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.
 * 
 * @author Mihail Atanassov (matana)
 */
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"; //$NON-NLS-1$

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

    @Override
    public String getInitialWindowPerspectiveId() {
        return PERSPECTIVE_ID;
    }

    @Override
    public void initialize(IWorkbenchConfigurer configurer) {
        super.initialize(configurer);
    }

    @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 : " //$NON-NLS-1$
                + 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) {
                redirect();
            } else {
                login(bundleContext);
            }
        }
    }

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

    @Override
    public void postShutdown() {
        super.postShutdown();
        redirect();
    }

    private void redirect() {
        final Display display = Display.getCurrent();
        RWT.getLifeCycle().addPhaseListener(new PhaseListener() {

            private static final long serialVersionUID = 1L;

            @Override
            public void afterPhase(PhaseEvent event) {
                if (Display.getCurrent() == null || display == Display.getCurrent()) {
                    // Uses a non-public API, but currently this is the only
                    // solution
                    JavaScriptResponseWriter writer = ContextProvider.getStateInfo().getResponseWriter();
                    String url = "http://www.crestomazia.ch/"; //$NON-NLS-1$
                    writer.write("window.location.href=\"" + url + "\";"); //$NON-NLS-1$ //$NON-NLS-2$
                    RWT.getRequest().getSession().setMaxInactiveInterval(1);
                    RWT.getLifeCycle().removePhaseListener(this);
                    logout();
                }
            }

            @Override
            public PhaseId getPhaseId() {
                return PhaseId.ANY;
            }

            @Override
            public void beforePhase(PhaseEvent event) {
            };

        });
    }

    private void logout() {
        DrcUiActivator drcUiActivator = DrcUiActivator.getDefault();
        try {
            if (drcUiActivator != null && drcUiActivator.getLoginContext() != null)
                drcUiActivator.getLoginContext().logout();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

}