Java tutorial
/***************************************************************** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. ****************************************************************/ package org.apache.cayenne.modeler; import org.apache.cayenne.configuration.server.ServerModule; import org.apache.cayenne.dbsync.DbSyncModule; import org.apache.cayenne.di.DIBootstrap; import org.apache.cayenne.di.Injector; import org.apache.cayenne.di.Module; import org.apache.cayenne.modeler.action.OpenProjectAction; import org.apache.cayenne.modeler.dialog.pref.GeneralPreferences; import org.apache.cayenne.modeler.init.CayenneModelerModule; import org.apache.cayenne.modeler.init.platform.PlatformInitializer; import org.apache.cayenne.project.ProjectModule; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import javax.swing.*; import java.io.File; import java.util.ArrayList; import java.util.Collection; import java.util.List; import java.util.prefs.Preferences; /** * Main class responsible for starting CayenneModeler. */ public class Main { private static Log logger = LogFactory.getLog(Main.class); protected String[] args; /** * Main method that starts the CayenneModeler. */ public static void main(String[] args) { try { new Main(args).launch(); } catch (Exception e) { e.printStackTrace(); System.exit(1); } } protected Main(String[] args) { this.args = args; } protected void launch() { // TODO: use module auto-loading... final Injector injector = DIBootstrap.createInjector(appendModules(new ArrayList<Module>())); logger.info("Starting CayenneModeler."); logger.info("JRE v." + System.getProperty("java.version") + " at " + System.getProperty("java.home")); // init look and feel before starting any Swing classes... injector.getInstance(PlatformInitializer.class).initLookAndFeel(); SwingUtilities.invokeLater(new Runnable() { public void run() { Application application = injector.getInstance(Application.class); Application.setInstance(application); application.startup(); // start initial project AFTER the app startup, as we need Application // preferences to be bootstrapped. File project = initialProjectFromArgs(); if (project == null) { project = initialProjectFromPreferences(); } if (project != null) { new OpenProjectAction(application).openProject(project); } } }); } protected Collection<Module> appendModules(Collection<Module> modules) { // TODO: this is dirty... "CayenneModeler" is not a project name, and ServerModule is out of place inside // the Modeler... If we need ServerRuntime for certain operations, those should start their own stack... modules.add(new ServerModule("CayenneModeler")); modules.add(new ProjectModule()); modules.add(new DbSyncModule()); modules.add(new CayenneModelerModule()); return modules; } protected File initialProjectFromPreferences() { Preferences autoLoadLastProject = Application.getInstance().getPreferencesNode(GeneralPreferences.class, ""); if ((autoLoadLastProject != null) && autoLoadLastProject.getBoolean(GeneralPreferences.AUTO_LOAD_PROJECT_PREFERENCE, false)) { List<String> lastFiles = ModelerPreferences.getLastProjFiles(); if (!lastFiles.isEmpty()) { return new File(lastFiles.get(0)); } } return null; } protected File initialProjectFromArgs() { if (args != null && args.length == 1) { File f = new File(args[0]); if (f.isFile() && f.getName().startsWith("cayenne") && f.getName().endsWith(".xml")) { return f; } } return null; } }