From 6b9d248ea5b22036cb0a8501f7b06e0671db1531 Mon Sep 17 00:00:00 2001
From: Stephan Fuhrmann <s@sfuhrm.de>
Date: Sun, 23 Jul 2023 12:11:39 +0200
Subject: [PATCH] Fix NPE, URLConnection has null key header

---
 .../java/de/sfuhrm/radiorecorder/metadata/StreamMetaData.java    | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/main/java/de/sfuhrm/radiorecorder/metadata/StreamMetaData.java b/src/main/java/de/sfuhrm/radiorecorder/metadata/StreamMetaData.java
index 220c217..09aa384 100644
--- a/src/main/java/de/sfuhrm/radiorecorder/metadata/StreamMetaData.java
+++ b/src/main/java/de/sfuhrm/radiorecorder/metadata/StreamMetaData.java
@@ -62,6 +62,7 @@ public InputStream openStream(HttpConnection connection) throws IOException {
         Map<String,List<String>> headers = headersOriginal
                 .entrySet()
                 .stream()
+                .filter(e -> e.getKey() != null)
                 .collect(Collectors.toMap(e -> e.getKey().toLowerCase(), e -> e.getValue()));
         if (headers.containsKey(ICY_NAME)) {
             metaData.setStationName(Optional.of(headers.get(ICY_NAME).get(0)));