ImageTools/gui/src/main/java/com/sothr/imagetools/ui/App.java

package com.sothr.imagetools.ui;

import com.sothr.imagetools.engine.AppConfig;
import com.sothr.imagetools.engine.errors.ImageToolsException;
import com.sothr.imagetools.engine.util.ResourceLoader;
import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.IOException;
import java.util.List;

/**
 * Image Tools
 */
public class App extends Application
{

    private static Logger logger;

    private static final String MAINGUI_FXML = "fxml/mainapp/MainApp.fxml";

    public static void main( String[] args )
    {
      AppConfig.configureApp();

      try {
        //try to run the UI
        launch(args);
      } catch (Exception ex) {
        logger.error("A fatal error has occurred: ", ex);
        //show popup about the error to the user then exit
      }
    }

    @Override
    public void init() throws Exception{
      AppConfig.configureApp();
      logger = LoggerFactory.getLogger(this.getClass());
      logger.info("Initializing Image Tools");
      List<String> parameters = this.getParameters().getRaw();
      logger.info(String.format("Application was called with '%s' parameters", parameters.toString()));
      super.init();
    }

    @Override
    public void start(Stage primaryStage) throws Exception {
      logger.info("Image-Tools is starting");
      logger.info(String.format("Launching GUI with FXML file %s", MAINGUI_FXML));
      //store the primary stage globally for reference in popups and the like
      AppConfig.setPrimaryStage(primaryStage);
      try {
        Parent root = FXMLLoader.load(ResourceLoader.get().getResource(MAINGUI_FXML));
        primaryStage.setScene(new Scene(root));
        //config main scene
        primaryStage.setTitle("Image Tools");
        primaryStage.setMinHeight(600.0);
        primaryStage.setMinWidth(800.0);
        primaryStage.setResizable(true);
        //show main scene
        primaryStage.show();
      } catch (IOException ioe) {
        String message = String.format("Unable to load FXML file: %s", MAINGUI_FXML);
        ImageToolsException ite = new ImageToolsException(message, ioe);
        logger.error(message, ioe);
        throw ite;
      } catch (Exception ex) {
        String message = "An unhandled exception was thrown by the GUI";
        ImageToolsException ite = new ImageToolsException(message, ex);
        logger.error(message, ex);
        throw ite;
      }
    }

    @Override
    public void stop() throws Exception {
      logger.info("Image-Tools is shutting down");
      AppConfig.shutdown();
      super.stop();
      //force the JVM to close
      System.exit(0);
    }
}