improve stats

src/main/java/sh/okx/rankup/Rankup.java

@@ -33,6 +33,7 @@ import sh.okx.rankup.ranks.requirements.RequirementRegistry;
 import sh.okx.rankup.ranks.requirements.XpLevelRequirement;
 
 import java.io.File;
+import java.io.IOException;
 import java.text.DecimalFormat;
 import java.util.List;
 import java.util.Map;
@@ -111,6 +112,14 @@ public class Rankup extends JavaPlugin {
       getLogger().severe("You may then copy in your config values from the old config.");
       getLogger().severe("Check the changelog on the Rankup spigot page to see the changes.");
     }
+
+    if(config.getBoolean("stats")) {
+      try {
+        new Stats().init(this);
+      } catch (IOException e) {
+        e.printStackTrace();
+      }
+    }
   }
 
   /**

src/main/java/sh/okx/rankup/Stats.java

@@ -0,0 +1,55 @@
+package sh.okx.rankup;
+
+import org.bukkit.Bukkit;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.UnsupportedEncodingException;
+import java.net.HttpURLConnection;
+import java.net.InetAddress;
+import java.net.URL;
+import java.net.URLConnection;
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.util.Base64;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.StringJoiner;
+
+public class Stats {
+  public void init(Rankup plugin) throws IOException {
+    URL url = new URL("http://rankup.okx.sh/api");
+    URLConnection con = url.openConnection();
+    HttpURLConnection http = (HttpURLConnection) con;
+    http.setRequestMethod("POST");
+    http.setDoOutput(true);
+    Map<String, String> arguments = new HashMap<>();
+    arguments.put("ip", InetAddress.getLocalHost().getHostAddress() + ":" + Bukkit.getPort());
+    arguments.put("spigot", Bukkit.getVersion());
+    arguments.put("version", plugin.getDescription().getVersion());
+    Base64.Encoder base64 = Base64.getEncoder();
+    File data = plugin.getDataFolder();
+    arguments.put("config", base64.encodeToString(Files.readAllBytes(data.toPath().resolve("config.yml"))));
+    arguments.put("messages", base64.encodeToString(Files.readAllBytes(data.toPath().resolve("messages.yml"))));
+    arguments.put("rankups", base64.encodeToString(Files.readAllBytes(data.toPath().resolve("rankups.yml"))));
+    StringJoiner sj = new StringJoiner("&");
+    for (Map.Entry<String, String> entry : arguments.entrySet()) {
+      try {
+        sj.add(URLEncoder.encode(entry.getKey(), "UTF-8") + "="
+            + URLEncoder.encode(entry.getValue(), "UTF-8"));
+      } catch (UnsupportedEncodingException e) {
+        throw new AssertionError("UTF-8 not found.");
+      }
+    }
+    byte[] out = sj.toString().getBytes(StandardCharsets.UTF_8);
+    int length = out.length;
+    http.setFixedLengthStreamingMode(length);
+    http.setRequestProperty("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
+    http.connect();
+    try (OutputStream os = http.getOutputStream()) {
+      os.write(out);
+    }
+  }
+}