source: domaineditor/src/main/java/geniusweb/actions/LoadAction.java

package geniusweb.actions;

import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;
import java.io.File;
import java.util.logging.Level;

import javax.swing.JFileChooser;
import javax.swing.KeyStroke;
import javax.swing.filechooser.FileNameExtensionFilter;

import geniusweb.domaineditor.ProfileEditor;
import geniusweb.domaineditor.model.profile.LinearAdditiveUtilitySpaceModel;
import geniusweb.profile.utilityspace.LinearAdditiveUtilitySpace;
import tudelft.utilities.logging.Reporter;

public class LoadAction extends GuiAction {

        public LoadAction(Reporter log) {
                super("Open", log);
                putValue(SHORT_DESCRIPTION, "Load the profile");
                putValue(ACCELERATOR_KEY,
                                KeyStroke.getKeyStroke(KeyEvent.VK_O, ActionEvent.CTRL_MASK));
        }

        @Override
        public void actionPerformed(ActionEvent e) {
                load(ProfileEditor.getInstance().getModel());
        }

        public void load(LinearAdditiveUtilitySpaceModel model) {
                try {
                        JFileChooser chooser = new JFileChooser();
                        FileNameExtensionFilter filter = new FileNameExtensionFilter(
                                        "JSON file", "json");
                        chooser.setFileFilter(filter);
                        int selection = chooser.showOpenDialog(null);
                        if (selection != JFileChooser.APPROVE_OPTION)
                                return;
                        File file = chooser.getSelectedFile();

                        LinearAdditiveUtilitySpace profi = jackson.readValue(file,
                                        LinearAdditiveUtilitySpace.class);
                        model.setCurrentValue(profi);
                } catch (Exception e1) {
                        log.log(Level.WARNING,
                                        "Failed to read file " + ": " + e1.getMessage());
                        e1.printStackTrace();
                }
        }
}