ch.tatool.app.App.java Source code

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Here is the source code for ch.tatool.app.App.java

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/*******************************************************************************
 * Copyright (c) 2011 Michael Ruflin, Andr Locher, Claudia von Bastian.
 * Copyright (c) 2012 Laura Chan.
 * 
 * This file is part of Tatool.
 * 
 * Tatool is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published 
 * by the Free Software Foundation, either version 3 of the License, or 
 * (at your option) any later version.
 * 
 * Tatool 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 Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with Tatool. If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package ch.tatool.app;

import javax.swing.JOptionPane;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationEvent;
import org.springframework.context.ApplicationListener;
import org.springframework.context.event.ContextRefreshedEvent;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import ch.tatool.app.service.UserAccountService;
import ch.tatool.data.UserAccount;
import ch.tatool.module.ModuleService;

/**
 * Application entry point.
 * 
 * Loads the ApplicationContext which in return instantiates this class, which finally kicks off the display of the UI
 * once everything has been initialized.
 */
public class App implements ApplicationListener {

    private Logger logger = LoggerFactory.getLogger(App.class);

    /** IoC beans. */
    private GuiController guiController;
    private UserAccountService userAccountService;
    private ModuleService moduleService;

    /** Default constructor. */
    public App() {
        logger.info("App bean loaded - waiting until context completely initialized...");
    }

    /**
     * Starts the application once everything has been initialized.
     */
    private void startApplication() {
        UserAccount account = null;
        guiController.setEnabled(true);
        guiController.setUserAccount(account);
    }

    /** Interface ApplicationListener. */
    public void onApplicationEvent(ApplicationEvent applicationEvent) {
        if (applicationEvent instanceof ContextRefreshedEvent) {
            logger.info("Context initialized - starting the application...");
            startApplication();
        }
    }

    // Getters and Setters

    public GuiController getGuiController() {
        return guiController;
    }

    public void setGuiController(GuiController guiController) {
        this.guiController = guiController;
    }

    public UserAccountService getUserAccountService() {
        return userAccountService;
    }

    public void setUserAccountService(UserAccountService userAccountService) {
        this.userAccountService = userAccountService;
    }

    public ModuleService getModuleService() {
        return moduleService;
    }

    public void setModuleService(ModuleService moduleService) {
        this.moduleService = moduleService;
    }

    /**
     * Main method. Loads the application through an application context.
     * Requires two arguments: module ID (integer) and code (String). These are used to
     * set which module will be loaded. 
     * 
     * The main class App itself then performs the final initialization by loading the 
     * module and displaying the GUI.
     */
    public static void main(String[] args) {
        // TODO localize error messages
        if (args.length < 2) {
            JOptionPane.showMessageDialog(null, "Please provide module ID number and code.",
                    "Error: missing module data", JOptionPane.ERROR_MESSAGE);
            return;
        }

        // load the application
        ApplicationContext ctx = new ClassPathXmlApplicationContext("/tatool/application-context.xml");

        // Set the module that should be loaded
        GuiController controller = (GuiController) ctx.getBean("GuiController");
        try {
            controller.setModuleID(Integer.parseInt(args[0]));
            controller.setCode(args[1]);
        } catch (NumberFormatException e) {
            JOptionPane.showMessageDialog(null, args[0] + " is not a valid module ID number.",
                    "Error: invalid module ID", JOptionPane.ERROR_MESSAGE);
            return;
        }
    }
}