Added update check #13

Author: koca2000

src/main/java/com/xxmicloxx/NoteBlockAPI/NoteBlockAPI.java

@@ -1,5 +1,6 @@
 package com.xxmicloxx.NoteBlockAPI;
 
+import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
@@ -15,6 +16,7 @@
 import org.bukkit.scheduler.BukkitRunnable;
 
 import com.xxmicloxx.NoteBlockAPI.songplayer.SongPlayer;
+import com.xxmicloxx.NoteBlockAPI.utils.Updater;
 
 /**
  * Main class; contains methods for playing and adjusting songs for players
@@ -110,7 +112,7 @@ public void onEnable() {
 
 		new NoteBlockPlayerMain().onEnable();
 
-		getServer().getScheduler().runTaskLater(this, new BukkitRunnable() {
+		getServer().getScheduler().runTaskLater(this, new Runnable() {
 
 			@Override
 			public void run() {
@@ -128,6 +130,21 @@ public void run() {
 		        }
 			}
 		}, 20*60);
+		
+		getServer().getScheduler().runTaskLater(this, new Runnable() {
+			
+			@Override
+			public void run() {
+				try {
+					if (Updater.checkUpdate("19287", getDescription().getVersion())){
+						Bukkit.getLogger().info(String.format("[%s] New update available!", plugin.getDescription().getName()));
+					}
+				} catch (IOException e) {
+					Bukkit.getLogger().info(String.format("[%s] Cannot receive update from Spigot resource page!", plugin.getDescription().getName()));
+				}
+			}
+		}, 20*10);
+		
 	}
 
 	@Override

src/main/java/com/xxmicloxx/NoteBlockAPI/utils/Updater.java

@@ -0,0 +1,39 @@
+package com.xxmicloxx.NoteBlockAPI.utils;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLConnection;
+
+public class Updater {
+	
+	public static boolean checkUpdate(String resource, String actualVersion) throws MalformedURLException, IOException{		
+		Float version = getVersionNumber(actualVersion);
+		
+		URLConnection con = new URL("https://api.spigotmc.org/legacy/update.php?resource=" + resource).openConnection();
+		String newVersionString = new BufferedReader(new InputStreamReader(con.getInputStream())).readLine();
+		int first = newVersionString.indexOf("(");
+		String newVersion = newVersionString.substring(0, first);
+		
+		Float newVer = getVersionNumber(newVersion);
+
+		return newVer > version;
+	}
+	
+	private static Float getVersionNumber(String version){
+		String[] versionParts = version.split("\\.");
+		String versionString = "0.";
+		
+		for (String vpart : versionParts){
+			if (vpart.length() < 2){
+				versionString += "0";
+			}
+			versionString += vpart;
+		}
+		
+		return Float.parseFloat(versionString);
+	}
+	
+}