it.unibas.spicygui.controllo.spicy.ActionLoadComaCorrespondences.java Source code

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Here is the source code for it.unibas.spicygui.controllo.spicy.ActionLoadComaCorrespondences.java

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/*
Copyright (C) 2007-2011  Database Group - Universita' della Basilicata
Giansalvatore Mecca - giansalvatore.mecca@unibas.it
Salvatore Raunich - salrau@gmail.com
Marcello Buoncristiano - marcello.buoncristiano@yahoo.it
    
This file is part of ++Spicy - a Schema Mapping and Data Exchange Tool
    
++Spicy 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 3 of the License, or
any later version.
    
++Spicy 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 ++Spicy.  If not, see <http://www.gnu.org/licenses/>.
 */

package it.unibas.spicygui.controllo.spicy;

import it.unibas.spicy.model.correspondence.ValueCorrespondence;
import it.unibas.spicy.model.mapping.MappingTask;
import it.unibas.spicy.persistence.DAOComaCorrespondences;
import it.unibas.spicy.persistence.DAOException;
import it.unibas.spicygui.Costanti;
import it.unibas.spicygui.commons.LastActionBean;
import it.unibas.spicygui.commons.Modello;
import it.unibas.spicygui.controllo.Scenario;
import it.unibas.spicygui.vista.SpicyTopComponent;
import it.unibas.spicygui.vista.Vista;
import java.io.File;
import java.util.List;
import java.util.Observable;
import java.util.Observer;
import javax.swing.JFileChooser;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.openide.DialogDescriptor;
import org.openide.DialogDisplayer;
import org.openide.NotifyDescriptor;
import org.openide.util.HelpCtx;
import org.openide.util.Lookup;
import org.openide.util.NbBundle;
import org.openide.util.actions.CallableSystemAction;
import org.openide.util.lookup.Lookups;
import org.openide.windows.IOProvider;
import org.openide.windows.WindowManager;

public class ActionLoadComaCorrespondences extends CallableSystemAction implements Observer {

    private static Log logger = LogFactory.getLog(ActionLoadComaCorrespondences.class);
    private Modello modello;
    private Vista vista;
    private LastActionBean lastActionBean;
    private ActionViewSpicy actionViewSpicy;
    private DAOComaCorrespondences dAOComaCorrespondences = new DAOComaCorrespondences();

    public ActionLoadComaCorrespondences() {
        executeInjection();
        this.setEnabled(false);
        registraAzione();
    }

    @Override
    public void performAction() {
        executeInjection();
        Scenario scenario = (Scenario) modello.getBean(Costanti.CURRENT_SCENARIO);
        MappingTask mappingTask = scenario.getMappingTask();
        if (mappingTask.getCandidateCorrespondences().size() != 0 && mappingTask.isToBeSaved()) {
            NotifyDescriptor notifyDescriptor = new NotifyDescriptor.Confirmation(
                    NbBundle.getMessage(Costanti.class, Costanti.DISCARD_CANDIDATE_CORRESPONDENCES),
                    DialogDescriptor.YES_NO_OPTION);
            DialogDisplayer.getDefault().notify(notifyDescriptor);
            if (notifyDescriptor.getValue().equals(NotifyDescriptor.NO_OPTION)
                    || notifyDescriptor.getValue().equals(NotifyDescriptor.CLOSED_OPTION)) {
                return;
            }
        }
        mappingTask.clearCandidateCorrespondences();

        JFileChooser chooser = vista.getFileChooserApriTXT();
        File file;
        int returnVal = chooser.showOpenDialog(WindowManager.getDefault().getMainWindow());
        if (returnVal == JFileChooser.APPROVE_OPTION) {
            try {
                file = chooser.getSelectedFile();
                String absoluteFile = file.getPath();
                List<ValueCorrespondence> valueCorrespondences = dAOComaCorrespondences.loadComaCorrespondences(
                        absoluteFile, mappingTask.getSourceProxy().getDataSource(),
                        mappingTask.getTargetProxy().getDataSource());

                mappingTask.setCandidateCorrespondences(valueCorrespondences);

                SpicyTopComponent spicyTopComponent = scenario
                        .getSpicyTopComponent();/*SpicyTopComponent.findInstance();*/
                if (spicyTopComponent.getJLayeredPane().isAnalizzato()) {
                    spicyTopComponent.drawConnections();
                } else {
                    spicyTopComponent.drawScene();
                }
                spicyTopComponent.resetSlider();
                actionViewSpicy.performAction();
                spicyTopComponent.creaSlider();
                enableActions();
                IOProvider.getDefault().getIO(Costanti.FLUSSO_SPICY, false).select();
                if (logger.isDebugEnabled())
                    logger.debug("--------------Candidate correspondences---------------");
                for (ValueCorrespondence correspondence : mappingTask.getCandidateCorrespondences()) {
                    logger.info(correspondence);
                }
                return;

            } catch (DAOException ex) {
                DialogDisplayer.getDefault()
                        .notify(new NotifyDescriptor.Message(
                                NbBundle.getMessage(Costanti.class, Costanti.OPEN_ERROR) + " : " + ex.getMessage(),
                                DialogDescriptor.ERROR_MESSAGE));
                logger.error(ex);
            }
        }
    }

    private void executeInjection() {
        if (this.modello == null) {
            this.modello = Lookup.getDefault().lookup(Modello.class);
        }
        if (this.vista == null) {
            this.vista = Lookup.getDefault().lookup(Vista.class);
        }
        if (this.actionViewSpicy == null) {
            this.actionViewSpicy = Lookups.forPath("Azione").lookup(ActionViewSpicy.class);
        }
    }

    private void registraAzione() {
        lastActionBean = (LastActionBean) modello.getBean(Costanti.LAST_ACTION_BEAN);
        lastActionBean.addObserver(this);
    }

    @Override
    public void update(Observable o, Object stato) {
        if (stato.equals(LastActionBean.CLOSE)) {
            this.setEnabled(false);
        } else {
            this.setEnabled(true);
        }

    }

    private void enableActions() {
        lastActionBean.setLastAction(LastActionBean.CREATE_CANDIDATE);
    }

    @Override
    public String getName() {
        return NbBundle.getMessage(Costanti.class, Costanti.ACTION_LOAD_COMA_CORRESPONDENCES);
    }

    @Override
    public HelpCtx getHelpCtx() {
        return HelpCtx.DEFAULT_HELP;
    }

    @Override
    protected boolean asynchronous() {
        return false;
    }
}