src/net/brysonsteck/Resurrection/startup/CheckForUpdate.java


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package net.brysonsteck.Resurrection.startup;

import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;

import org.bukkit.plugin.java.JavaPlugin;

import net.brysonsteck.Resurrection.Resurrection;

import java.io.*;
import java.net.URL;
import java.net.URLConnection;
import java.util.logging.Logger;


public class CheckForUpdate {
    boolean success;
    String version;
    String versionURL;
    String message;
    Logger log = JavaPlugin.getProvidingPlugin(Resurrection.class).getLogger();

    public CheckForUpdate() {
        try {
            String json = urlReader();
            JsonElement root = new JsonParser().parse(json);
            JsonObject rootobj = root.getAsJsonObject();
            JsonElement softwareElement = rootobj.getAsJsonObject("resurrection");
            JsonObject softwareObj = softwareElement.getAsJsonObject();
            version = softwareObj.get("current-release").toString();
            version = version.replace("\"", "");
            versionURL = softwareObj.get("github-release").toString();
            message = softwareObj.get("message").toString();
            success = true;
        } catch (IOException e) {
            log.warning("An error has occurred while attempting to check for updates.");
            e.printStackTrace();
        }
    }

    public String urlReader() throws IOException {
        URL website = new URL("https://brysonsteck.net/updates.json");
        URLConnection connection = website.openConnection();
        BufferedReader in = new BufferedReader(
                new InputStreamReader(
                        connection.getInputStream()));

        StringBuilder response = new StringBuilder();
        String inputLine;

        while ((inputLine = in.readLine()) != null)
            response.append(inputLine);

        in.close();

        return response.toString();
    }

    public boolean isSuccess() { return success; }

    public String getVersionURL() {
        return versionURL;
    }

    public String getVersion() {
        return version;
    }

    public String getMessage() {
        return message;
    }
}