Updated Source Files for Version 0.3-Pre

src/main/java/com/adzel/velocitybroadcast/UpdateChecker.java

@@ -0,0 +1,63 @@
+package com.adzel.velocitybroadcast.util;
+
+import com.velocitypowered.api.proxy.ProxyServer;
+import net.kyori.adventure.text.Component;
+import com.velocitypowered.api.proxy.Player;
+
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.util.concurrent.CompletableFuture;
+import java.util.logging.Logger;
+import org.json.JSONObject;
+import org.json.JSONTokener;
+
+public class UpdateChecker {
+    private static final String ENDPOINT = "https://api.github.com/repos/AdzelFirestar/velocitybroadcast-reborn/releases/latest";
+    private final String currentVersion;
+    private final Logger logger;
+
+    public UpdateChecker(String currentVersion, Logger logger) {
+        this.currentVersion = currentVersion;
+        this.logger = logger;
+    }
+
+    public CompletableFuture<String> checkForUpdate() {
+        return CompletableFuture.supplyAsync(() -> {
+            try {
+                HttpURLConnection connection = (HttpURLConnection) new URL(ENDPOINT).openConnection();
+                connection.setRequestProperty("Accept", "application/json");
+                connection.setConnectTimeout(3000);
+                connection.setReadTimeout(3000);
+
+                try (InputStreamReader reader = new InputStreamReader(connection.getInputStream())) {
+                    JSONObject json = new JSONObject(new JSONTokener(reader));
+                    String latestVersion = json.getString("tag_name").trim();
+
+                    if (!latestVersion.equalsIgnoreCase(currentVersion)) {
+                        logger.info("[VelocityBroadcast] Update available: " + latestVersion + " (you are on " + currentVersion + ")");
+                        return latestVersion;
+                    } else {
+                        logger.info("[VelocityBroadcast] You are running the latest version (" + currentVersion + ").");
+                        return null;
+                    }
+                }
+            } catch (Exception e) {
+                logger.warning("[VelocityBroadcast] Failed to check for updates: " + e.getMessage());
+                return null;
+            }
+        });
+    }
+
+    public void notifyPlayerIfOutdated(ProxyServer server, String latestVersion) {
+        if (latestVersion != null && !latestVersion.equalsIgnoreCase(currentVersion)) {
+            String message = String.format("[VelocityBroadcast] A new version (%s) is available! You are running %s.", latestVersion, currentVersion);
+            Component component = Component.text(message);
+            for (Player player : server.getAllPlayers()) {
+                if (player.hasPermission("vb.admin")) {
+                    player.sendMessage(component);
+                }
+            }
+        }
+    }
+}