minecrunch_updater.Minecrunch_updater.java Source code

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Here is the source code for minecrunch_updater.Minecrunch_updater.java

Source

/*
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 */
package minecrunch_updater;

import java.awt.Component;
import java.io.File;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JOptionPane;
import org.apache.commons.io.FileUtils;

/**
 *
 * @author tstreit
 */
public class Minecrunch_updater {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        try {
            VersionCheck();
        } catch (MalformedURLException ex) {
            Logger.getLogger(Minecrunch_updater.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    // Check to see if there is a newer version of Minecrunch Modpack
    private static void VersionCheck() throws MalformedURLException {

        // Get system properties
        String os = System.getProperty("os.name");
        String home = System.getProperty("user.home");
        String dir;
        String newfile2 = null;

        if (os.contains("Windows")) {
            dir = home + "\\.minecrunch\\";
            newfile2 = dir + "\\resources\\";
        } else {
            dir = home + "/.minecrunch/";
            newfile2 = dir + "/resources/";
        }

        try {
            // Get version.txt from server
            URL url = new URL("http://www.minecrunch.net/download/minecrunch_installer/version.txt");
            File file = new File(dir + "version.txt");
            File file2 = new File(newfile2 + "version.txt");

            FileUtils.copyURLToFile(url, file);
            boolean isTwoEqual = FileUtils.contentEquals(file, file2);

            if (isTwoEqual) {
                System.out.println("Up to date.");
                Run();
            } else {
                Object[] options = { "Yes, please", "No way!" };
                Component frame = null;
                // Get answer if the user wants to update or not
                int n = JOptionPane.showOptionDialog(frame, "There is an update to Minecrunch Modpack.",
                        "Would you like to update now?", JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE,
                        null, options, options[0]);

                if (n == JOptionPane.YES_OPTION) {
                    // If yes run the Update method
                    Update();
                } else {
                    // If user chooses no then just run the minecrunch_launcher jar file
                    Run();
                }
            }
        } catch (IOException ex) {
            Logger.getLogger(Minecrunch_updater.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    // Run update
    private static void Update() throws MalformedURLException, IOException {

        // Get system properties
        String os = System.getProperty("os.name");
        String home = System.getProperty("user.home");
        String dir;
        String newlib = null;

        if (os.contains("Windows")) {
            dir = home + "\\.minecrunch\\";
            newlib = dir + "\\lib\\";
        } else {
            dir = home + "/.minecrunch/";
            newlib = dir + "/lib/";
        }

        // Check for .minecrunch directory if it doesn't exist create main directory, sub-directories, then download libraries and resources 
        URL lib1 = new URL("http://www.minecrunch.net/download/minecrunch_installer/lib/commons-io-2.4.jar");
        URL lib2 = new URL("http://www.minecrunch.net/download/minecrunch_installer/lib/json-simple-1.1.1.jar");
        URL lib3 = new URL("http://www.minecrunch.net/download/minecrunch_installer/lib/zip4j_1.3.2.jar");
        URL jar1 = new URL("http://www.minecrunch.net/download/minecrunch_installer/minecrunch_launcher.jar");

        File flib1 = new File(newlib + "commons-io-2.4.jar");
        File flib2 = new File(newlib + "json-simple-1.1.1.jar");
        File flib3 = new File(newlib + "zip4j_1.3.2.jar");
        File fjar1 = new File(dir + "minecrunch_launcher.jar");

        FileUtils.copyURLToFile(lib1, flib1);
        FileUtils.copyURLToFile(lib2, flib2);
        FileUtils.copyURLToFile(lib3, flib3);
        FileUtils.copyURLToFile(jar1, fjar1);

        Component frame = null;
        JOptionPane.showMessageDialog(frame, "Update complete.");

        try {
            Process proc = Runtime.getRuntime().exec("java -jar " + dir + "minecrunch_launcher.jar");
            System.exit(0);
        } catch (IOException ex) {
            Logger.getLogger(Minecrunch_updater.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    // Run minecrunch_launcher jar file
    public static void Run() {
        // Get system properties
        String os = System.getProperty("os.name");
        String home = System.getProperty("user.home");
        String dir;

        if (os.contains("Windows")) {
            dir = home + "\\.minecrunch\\";
        } else {
            dir = home + "/.minecrunch/";
        }

        // If user chooses no then just run the minecrunch_launcher jar file
        try {
            Process proc = Runtime.getRuntime().exec("java -jar " + dir + "minecrunch_launcher.jar");
            System.exit(0);
        } catch (IOException ex) {
            Logger.getLogger(Minecrunch_updater.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
}