com.bradleyjh.blazefly.Updater.java Source code

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Here is the source code for com.bradleyjh.blazefly.Updater.java

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////////////////////////////////////////////////////////////////////////////
// This file is part of BlazeFly.                                         //
//                                                                        //
// BlazeFly 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      //
// (at your option) any later version.                                    //
//                                                                        //
// BlazeFly 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 BlazeFly. If not, see <http://www.gnu.org/licenses/>.       //
////////////////////////////////////////////////////////////////////////////

package com.bradleyjh.blazefly;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.net.MalformedURLException;
import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.JSONValue;

public class Updater implements Runnable {
    private Main main;
    private String thisVersion;

    public Updater(Main plugin, String version) {
        main = plugin;
        thisVersion = version;
    }

    public void run() {
        URL url;
        try {
            url = new URL("https://api.curseforge.com/servermods/files?projectIds=50224");
        } catch (MalformedURLException e) {
            return;
        }

        try {
            URLConnection conn = url.openConnection();
            final BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            String response = reader.readLine();
            JSONArray array = (JSONArray) JSONValue.parse(response);

            if (array.size() > 0) {
                JSONObject latest = (JSONObject) array.get(array.size() - 1);
                String latestFile = (String) latest.get("name");

                // SomePlugin v2.3 = "230", SomePlugin v2.3.4 = "234"
                // means we can check if the newer file is a newer version
                String latestVersion = latestFile.replaceAll("\\D+", "");
                if (latestVersion.length() == 2) {
                    latestVersion = latestVersion + "0";
                }
                thisVersion = thisVersion.replaceAll("\\D+", "");
                if (thisVersion.length() == 2) {
                    thisVersion = thisVersion + "0";
                }

                if (Integer.parseInt(latestVersion) > Integer.parseInt(thisVersion)) {
                    main.updateAvailable = latestFile;
                    main.getLogger().info(latestFile + " is available for download!");
                }
            }
        } catch (IOException e) {
            return;
        }
    }
}