com.freedomotic.app.ConfigPersistence Maven / Gradle / Ivy

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/**
 *
 * Copyright (c) 2009-2014 Freedomotic team http://freedomotic.com
 *
 * This file is part of Freedomotic
 *
 * 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, 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
 * Freedomotic; see the file COPYING. If not, see
 * .
 */
/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package com.freedomotic.app;

import com.freedomotic.model.ds.Config;
import com.freedomotic.persistence.FreedomXStream;
import com.thoughtworks.xstream.XStream;
import com.thoughtworks.xstream.converters.ConversionException;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.logging.Logger;

/**
 *
 * @author gpt
 */
public class ConfigPersistence {

    /**
     *
     * @param config
     * @param file
     */
    public static void serialize(Config config, File file) {
        FreedomXStream.toXML(config, file);
    }

    /**
     *
     * @param file
     * @return
     * @throws IOException
     * @throws ConversionException
     */
    public static Config deserialize(File file)
            throws IOException, ConversionException {
        LOG.config("Deserializing configuration from " + file.getAbsolutePath());

        XStream xstream = FreedomXStream.getXstream();
        xstream.autodetectAnnotations(true);

        String line;
        StringBuilder xml = new StringBuilder();

        FileInputStream fin = null;
        BufferedReader myInput = null;

        try {
            fin = new FileInputStream(file);
            myInput = new BufferedReader(new InputStreamReader(fin));

            while ((line = myInput.readLine()) != null) {
                xml.append(line).append("\n");
            }

            Config c = null;
            xstream.alias("config", Config.class);
            c = (Config) xstream.fromXML(xml.toString());
            c.setXmlFile(file);

            return c;
        } catch (FileNotFoundException fileNotFoundException) {
            LOG.warning(fileNotFoundException.getLocalizedMessage());
        } finally {
            if (myInput != null) {
                myInput.close();
            }
        }

        return new Config();
    }

    private ConfigPersistence() {
    }
    private static final Logger LOG = Logger.getLogger(ConfigPersistence.class.getName());
}