Add a UUID Fetcher class in Utils - not used right now

src/main/java/world/bentobox/bentobox/util/UUIDFetcher.java

@@ -0,0 +1,65 @@
+package world.bentobox.bentobox.util;
+
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.URI;
+import java.util.UUID;
+
+import org.eclipse.jdt.annotation.Nullable;
+import org.jetbrains.annotations.NotNull;
+
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+
+/**
+ * Fetches UUID for a player name from the Internet
+ * @since 1.24.1
+ */
+public class UUIDFetcher {
+    private static final String API_URL = "https://playerdb.co/api/player/minecraft/%s";
+
+    @Nullable
+    public static UUID getUUID(@NotNull String name) {
+        name = name.toLowerCase(); // Had some issues with upper-case letters in the username, so I added this to make sure that doesn't happen.
+
+        try {
+            HttpURLConnection connection = (HttpURLConnection) URI.create(String.format(API_URL, name)).toURL()
+                    .openConnection();
+
+            connection.setUseCaches(false);
+            connection.setDefaultUseCaches(false);
+            connection.addRequestProperty("User-Agent", "Mozilla/5.0");
+            connection.addRequestProperty("Cache-Control", "no-cache, no-store, must-revalidate");
+            connection.addRequestProperty("Pragma", "no-cache");
+            connection.setReadTimeout(5000);
+
+            // These connection parameters need to be set or the API won't accept the connection.
+
+            try (BufferedReader bufferedReader = new BufferedReader(
+                    new InputStreamReader(connection.getInputStream()))) {
+                StringBuilder response = new StringBuilder();
+                String line;
+
+                while ((line = bufferedReader.readLine()) != null)
+                    response.append(line);
+
+                final JsonElement parsed = JsonParser.parseString(response.toString());
+
+                if (parsed == null || !parsed.isJsonObject()) {
+                    return null;
+                }
+
+                JsonObject data = parsed.getAsJsonObject(); // Read the returned JSON data.
+
+                return UUID.fromString(data.get("data").getAsJsonObject().get("player").getAsJsonObject().get("id") // Grab the UUID.
+                        .getAsString());
+            }
+        } catch (Exception ignored) {
+            // Ignoring exception since this is usually caused by non-existent usernames.
+        }
+
+        return null;
+    }
+}