org.casbah.ui.CasbahMainApplication.java Source code

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Here is the source code for org.casbah.ui.CasbahMainApplication.java

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/*******************************************************************************
 * Copyright (C) 2010 Marco Sandrini
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public
 * License along with this program.
 * If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package org.casbah.ui;

import java.util.logging.Logger;

import org.casbah.common.CasbahException;
import org.casbah.configuration.CasbahConfiguration;
import org.casbah.provider.CAProvider;
import org.casbah.provider.CAProviderException;

import com.vaadin.Application;
import com.vaadin.ui.Button;
import com.vaadin.ui.Window;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Window.Notification;

/**
 * The Application's "main" class
 */
@SuppressWarnings("serial")
public class CasbahMainApplication extends Application {

    private static final Logger logger = Logger.getLogger(CasbahMainApplication.class.getCanonicalName());

    private Window window;
    private CAProvider provider;

    @Override
    public void init() {
        try {
            window = new Window("CASBaH Application");
            setMainWindow(window);
            final CasbahConfiguration config = CasbahConfiguration.loadConfiguration();
            provider = config.getProvider();
            if (!provider.isCASetup()) {
                logger.warning("CA is not setup, setting it up now");
                final SetupCaComponent scc = new SetupCaComponent(this);
                scc.init(new Button.ClickListener() {

                    @Override
                    public void buttonClick(ClickEvent event) {
                        try {
                            provider.setUpCA(scc.getPrincipal().toX500Principal(), scc.getPassphrase());
                            buildMainLayout(config);
                        } catch (CasbahException e) {
                            getMainWindow().showNotification("An exception prevented setting up the CA",
                                    Notification.TYPE_ERROR_MESSAGE);
                        }

                    }
                });
                getMainWindow().setContent(scc);
            } else {
                buildMainLayout(config);
            }
        } catch (CAProviderException cpe) {
            cpe.printStackTrace();
        } catch (CasbahException ce) {
            ce.printStackTrace();
        }
    }

    private void buildMainLayout(CasbahConfiguration config) throws CasbahException {

        CasbahMainComponent mainComponent = new CasbahMainComponent(this, provider, config);
        mainComponent.init();
        getMainWindow().setContent(mainComponent);

    }

}