added updater, checking if it works...

src/net/brysonsteck/Resurrection/Resurrection.java

@@ -2,8 +2,10 @@ package net.brysonsteck.Resurrection;
 
 import net.brysonsteck.Resurrection.commands.CommandAbout;
 import net.brysonsteck.Resurrection.commands.CommandResurrect;
+import net.brysonsteck.Resurrection.startup.CheckForUpdate;
 import org.bukkit.command.CommandExecutor;
 import org.bukkit.plugin.Plugin;
+import org.bukkit.plugin.PluginDescriptionFile;
 import org.bukkit.plugin.java.JavaPlugin;
 
 public class Resurrection extends JavaPlugin {
@@ -18,6 +20,20 @@ public class Resurrection extends JavaPlugin {
     @Override
     public void onEnable() {
         super.onEnable();
+        PluginDescriptionFile pluginInfo = getDescription();
+
+        // check for updates
+        System.out.println("[Resurrection] Checking for updates...");
+        CheckForUpdate check = new CheckForUpdate();
+        String newestVersion = check.getVersion();
+        String newestVersionURL = check.getVersionURL();
+        if (pluginInfo.getVersion().equals(newestVersion)) {
+            System.out.println("[Resurrection] " + newestVersion + " is the latest version of Resurrection.");
+        } else {
+            System.out.println("[Resurrection] A new version of Resurrection is available! (current: " + pluginInfo.getVersion() + ", newest: " + newestVersion);
+            System.out.println("[Resurrection] You can download the latest release on GitHub here \\/");
+            System.out.println("[Resurrection] " + newestVersionURL);
+        }
 
         // register listener
         this.getServer().getPluginManager().registerEvents(new PlayerListener(), this);
@@ -26,11 +42,12 @@ public class Resurrection extends JavaPlugin {
         this.getCommand("about").setExecutor(new CommandAbout());
         this.getCommand("resurrect").setExecutor(new CommandResurrect());
 
-        System.out.println("[Resurrection] I'm alive!");
+        System.out.println("[Resurrection] Successfully Started.");
     }
 
     // end of spigot things
     public static void main(String[] args) {
+
 //        PlayerData playerData = new PlayerData();
 //        playerData.saveData("This is the first line\nthis is the second line");
 //        System.out.println(playerData.getPlayers());

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

@@ -1,4 +1,43 @@
 package net.brysonsteck.Resurrection.startup;
 
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+
+import java.io.FileReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLConnection;
+
+
 public class CheckForUpdate {
+    String version;
+    String versionURL;
+
+    public CheckForUpdate() {
+        try {
+            URL url = new URL("resurrect.brysonsteck.net");
+            URLConnection request = url.openConnection();
+            request.connect();
+            JsonParser json = new JsonParser();
+            JsonElement root = json.parse(new InputStreamReader((InputStream) request.getContent()));
+            JsonObject rootobj = root.getAsJsonObject();
+            version = rootobj.get("current-version").getAsString();
+            versionURL = rootobj.get("release-url").getAsString();
+        } catch (IOException e) {
+            System.out.println("[Resurrection] An error has occurred while attempting to check for updates.");
+            e.printStackTrace();
+        }
+    }
+
+    public String getVersionURL() {
+        return versionURL;
+    }
+
+    public String getVersion() {
+        return version;
+    }
 }