SyncOutAction.java

// BlogBridge -- RSS feed reader, manager, and web based service
// Copyright (C) 2002-2006 by R. Pito Salas
//
// This program 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.
//
// This program 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 this program;
// if not, write to the Free Software Foundation, Inc., 59 Temple Place,
// Suite 330, Boston, MA 02111-1307 USA
//
// Contact: R. Pito Salas
// mailto:pitosalas@users.sourceforge.net
// More information: about BlogBridge
// http://www.blogbridge.com
// http://sourceforge.net/projects/blogbridge
//
// $Id: SyncOutAction.java,v 1.8 2006/05/31 10:39:45 spyromus Exp $
//

package com.salas.bb.service.sync;

import com.jgoodies.uif.application.Application;
import com.salas.bb.core.GlobalModel;
import com.salas.bb.utils.i18n.Strings;

import javax.swing.*;

/**
 * Output of local information to the server.
 */
public final class SyncOutAction extends AbstractSyncAction
{
    private static SyncOutAction instance;
    private static final String PROC_NAME = Strings.message("service.sync.out");

    /**
     * Hidden singleton constructor.
     */
    private SyncOutAction()
    {
        super(Strings.message("service.sync.out.action"));
        setEnabled(false);
    }

    /**
     * Returns instance of action.
     *
     * @return instance.
     */
    public static synchronized SyncOutAction getInstance()
    {
        if (instance == null) instance = new SyncOutAction();
        return instance;
    }

    /**
     * Invoked before forking the thread. Override this method to add a go-no-go decision before
     * starting the fork. See for example: DeleteChannelAction::beforeFork
     *
     * @return <code>TRUE</code> to continue with action.
     */
    protected boolean beforeFork()
    {
        int result = JOptionPane.showConfirmDialog(Application.getDefaultParentFrame(),
            Strings.message("service.sync.out.confirmation.text"),
            Strings.message("service.sync.out.confirmation.title"),
            JOptionPane.OK_CANCEL_OPTION,
            JOptionPane.INFORMATION_MESSAGE);

        return result == JOptionPane.OK_OPTION;
    }

    /**
     * Returns module for synchronization processing.
     *
     * @param model model we will be synchronizing.
     *
     * @return module.
     */
    protected AbstractSynchronization getSynchronizationModule(GlobalModel model)
    {
        return new SyncOut(model);
    }

    /**
     * Returns the name of synchronization process.
     *
     * @return name.
     */
    protected String getProcessName()
    {
        return PROC_NAME;
    }
}