From c93d6ea80f08fe26d5496b2f4c78c41937777056 Mon Sep 17 00:00:00 2001
From: LabyStudio <labystudio@gmail.com>
Date: Mon, 8 Jan 2024 10:58:15 +0100
Subject: [PATCH] improve isTrackIdValid check

---
 .../platform/windows/api/spotify/SpotifyProcess.java         | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/main/java/de/labystudio/spotifyapi/platform/windows/api/spotify/SpotifyProcess.java b/src/main/java/de/labystudio/spotifyapi/platform/windows/api/spotify/SpotifyProcess.java
index fe6d281..6978593 100644
--- a/src/main/java/de/labystudio/spotifyapi/platform/windows/api/spotify/SpotifyProcess.java
+++ b/src/main/java/de/labystudio/spotifyapi/platform/windows/api/spotify/SpotifyProcess.java
@@ -212,7 +212,10 @@ public long getAddressTrackId() {
      */
     public boolean isTrackIdValid(String trackId) {
         for (char c : trackId.toCharArray()) {
-            if (!Character.isLetterOrDigit(c)) {
+            boolean isValidCharacter = c >= 'a' && c <= 'z'
+                    || c >= 'A' && c <= 'Z'
+                    || c >= '0' && c <= '9';
+            if (!isValidCharacter) {
                 return false;
             }
         }