Java tutorial
/** * Copyright (C) 2013, Moss Computing Inc. * * This file is part of appsnap. * * appsnap is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * appsnap 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 * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with appsnap; see the file COPYING. If not, write to the * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301 USA. * * Linking this library statically or dynamically with other modules is * making a combined work based on this library. Thus, the terms and * conditions of the GNU General Public License cover the whole * combination. * * As a special exception, the copyright holders of this library give you * permission to link this library with independent modules to produce an * executable, regardless of the license terms of these independent * modules, and to copy and distribute the resulting executable under * terms of your choice, provided that you also meet, for each linked * independent module, the terms and conditions of the license of that * module. An independent module is a module which is not derived from * or based on this library. If you modify this library, you may extend * this exception to your version of the library, but you are not * obligated to do so. If you do not wish to do so, delete this * exception statement from your version. */ package com.moss.appsnap.keeper.installerapp; import java.awt.BorderLayout; import java.awt.event.ActionEvent; import java.io.File; import javax.swing.JApplet; import javax.swing.UIManager; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.apache.log4j.BasicConfigurator; import com.moss.appsnap.api.AppsnapService; import com.moss.appsnap.api.net.Url; import com.moss.appsnap.keeper.Bootstrapper; import com.moss.appsnap.keeper.DesktopIntegrationStrategy; import com.moss.appsnap.keeper.Guts; import com.moss.appsnap.keeper.data.Data; import com.moss.appsnap.keeper.firstaid.FirstAidStartScreen; import com.moss.appsnap.keeper.login.LoginStartScreen; import com.moss.appsnap.keeper.login.PostLoginAction; import com.moss.greenshell.wizard.AbstractScreenAction; import com.moss.greenshell.wizard.ProcessPanel; import com.moss.greenshell.wizard.ScreenAction; import com.moss.greenshell.wizard.ScreenEnvironment; import com.moss.identity.tools.IdProover; import com.moss.rpcutil.proxy.ProxyFactory; import com.moss.rpcutil.proxy.hessian.HessianProxyProvider; /** * 1) authenticate user with snap * 2) prompt for app selection * 3) install keeper * 4) install app * 5) launch keeper * 6) launch app */ @SuppressWarnings("serial") public class Installer extends JApplet { static { try { UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()); } catch (Exception e) { throw new RuntimeException(e); } } private final Log log = LogFactory.getLog(getClass()); private final ProxyFactory proxyFactory = new ProxyFactory(new HessianProxyProvider()); private ProcessPanel processPanel; public Installer() { } @Override public void init() { BasicConfigurator.resetConfiguration(); BasicConfigurator.configure(); processPanel = new ProcessPanel(new LoadingScreen()); this.processPanel.setFinalAction(new Runnable() { public void run() { processPanel.done(); } }); getContentPane().removeAll(); getContentPane().setLayout(new BorderLayout()); getContentPane().add(processPanel); new Thread() { public void run() { setPriority(MIN_PRIORITY); try { final InstallerParams params = InstallerParams.read(Installer.this, proxyFactory); final AppsnapService snap = proxyFactory.create(AppsnapService.class, params.url); final PostLoginAction action = new PostLoginAction() { public void run(IdProover idProver, ScreenEnvironment environment, ScreenAction backAction) { DesktopIntegrationStrategy desktop = new Bootstrapper().discover(); File dataDir = desktop.keeperDataDir(params.serviceId); if (dataDir.exists() && !desktop.keeperIsRunning()) { log.info("The keeper was installed but not running; redirecting user to first-aid"); Guts guts; try { Data data = new Data(dataDir); guts = new Guts(snap.serviceInfo(), new Url(params.url), proxyFactory, snap, data, desktop); desktop.noLongerGutless(guts); //throw new RuntimeException("The keeper was installed but not running! We need to implement first aid, and then switch to it in this case"); environment.next(new FirstAidStartScreen("WARNING!", "<html><body style=\"font-face:arial,sans-serif; font-size:18pt;\"><p><b>BROKEN INSTALLATION DETECTED</b></p><p>It looks like your existing setup is broken. In order to proceed, this will have to be remedied. The suggested course of action is to run this \"first-aid\" tool and see if that fixes the problem.</p></body></html>", guts, params.keeperPublication, idProver, backAction)); } catch (Throwable e1) { environment.failCatastrophically(e1); } } else { environment.next(new PublicationSelectionScreen(params, snap, idProver, proxyFactory, backAction)); } } }; ScreenAction loginStartAction = new AbstractScreenAction() { public void actionPerformed(ActionEvent e) { environment.next(new LoginStartScreen(params.serviceInfo.name(), snap, proxyFactory, action, Guts.veracityServiceDomain)); } }; WelcomeScreen start = new WelcomeScreen(params.serviceInfo.name(), loginStartAction); processPanel.start(start); } catch (Throwable e) { processPanel.failCatastrophically(e); } } }.start(); } }