updater.Updater.java Source code

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Here is the source code for updater.Updater.java

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/*****************************************************************************
 * updater/Updater.java: Updater initialization logic for Droid PC Suite
 *****************************************************************************
 * Copyright (C) 2016 Karanvir Singh
 * 
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *****************************************************************************/

package updater;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.InputStreamReader;
import java.net.URL;
import java.nio.channels.Channels;
import java.nio.channels.ReadableByteChannel;
import org.apache.commons.io.IOUtils;

public class Updater {

    @SuppressWarnings("resource")
    public Updater() {
        try {
            System.out.println("Checking for updates...");
            URL url1 = new URL(
                    "https://raw.githubusercontent.com/kvsjxd/Droid-PC-Suite/master/.release-version.txt");
            ReadableByteChannel obj1 = Channels.newChannel(url1.openStream());
            FileOutputStream outputstream1 = new FileOutputStream(".release-version.txt");
            outputstream1.getChannel().transferFrom(obj1, 0, Long.MAX_VALUE);
            FileReader file = new FileReader(".release-version.txt");
            BufferedReader reader = new BufferedReader(file);
            String DownloadedString = reader.readLine();
            File file2 = new File(".release-version.txt");
            if (file2.exists() && !file2.isDirectory()) {
                file2.delete();
            }
            double AvailableUpdate = Double.parseDouble(DownloadedString);
            InputStreamReader reader2 = new InputStreamReader(
                    getClass().getResourceAsStream("/others/app-version.txt"));
            String tmp = IOUtils.toString(reader2);
            double ApplicationVersion = Double.parseDouble(tmp);
            if (AvailableUpdate > ApplicationVersion) {
                System.out.println("Your Droid PC Suite version: V" + ApplicationVersion);
                System.out.println(
                        "New update V" + AvailableUpdate + " is available! Please download latest version now!");
                URL url2 = new URL(
                        "https://raw.githubusercontent.com/kvsjxd/Droid-PC-Suite/master/.release-changelog.txt");
                ReadableByteChannel obj2 = Channels.newChannel(url2.openStream());
                FileOutputStream outputstream2 = new FileOutputStream(".release-changelog.txt");
                outputstream2.getChannel().transferFrom(obj2, 0, Long.MAX_VALUE);
                UpdaterGUI obj = new UpdaterGUI();
                obj.setVisible(true);
            } else {
                System.out.println("You are running latest Droid PC Suite...");
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}