org.zephyrsoft.sdb2.Start.java Source code

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Here is the source code for org.zephyrsoft.sdb2.Start.java

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/*
 * This file is part of the Song Database (SDB).
 * 
 * SDB 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 of the License, or
 * (at your option) any later version.
 * 
 * SDB 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 SDB. If not, see <http://www.gnu.org/licenses/>.
 */
package org.zephyrsoft.sdb2;

import java.lang.reflect.Field;
import java.nio.charset.Charset;
import java.time.ZoneId;

import org.kohsuke.args4j.CmdLineException;
import org.kohsuke.args4j.CmdLineParser;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.zephyrsoft.sdb2.gui.MainWindow;

/**
 * Startup class for SDBv2.
 * 
 * @author Mathis Dirksen-Thedens
 */
public final class Start {

    private static final Logger LOG = LoggerFactory.getLogger(Start.class);

    private final Options options = new Options();

    private MainController mainController;

    private MainWindow mainWindow;

    public static void main(String[] args) {
        new Start(args);
    }

    private Start(String[] args) {
        LOG.debug("starting application");

        // parse command line arguments
        CmdLineParser parser = new CmdLineParser(options);
        parser.setUsageWidth(80);
        try {
            parser.parseArgument(args);
        } catch (CmdLineException e) {
            System.err.println(e.getMessage());
            options.setHelp(true);
        }

        if (options.isHelp()) {
            System.err.println("The available options are:");
            parser.printUsage(System.err);
        } else {
            try {
                // set encoding to UTF-8 (the cache has to be reset to make the new definition effective)
                System.setProperty("file.encoding", "UTF-8");
                Field charset = Charset.class.getDeclaredField("defaultCharset");
                charset.setAccessible(true);
                charset.set(null, null);

                LOG.info("default time zone is {}", ZoneId.systemDefault().getId());

                LOG.info("loading application context");
                @SuppressWarnings("resource")
                AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
                context.register(SpringConfiguration.class);
                context.refresh();

                context.getAutowireCapableBeanFactory().autowireBean(this);
                mainController.loadSongs(options.getSongsFile());

                mainWindow.startup();
            } catch (Exception e) {
                LOG.error("problem while starting up the application", e);
                System.exit(-1);
            }
        }
    }

    @Autowired
    public void setMainController(MainController mainController) {
        this.mainController = mainController;
    }

    @Autowired
    public void setMainWindow(MainWindow mainWindow) {
        this.mainWindow = mainWindow;
    }

}