Add a specific codec for byte arrays.

Initially, it relied on the JSON codec (encoding the byte arrays using base 64). This was breaking the compatibility with other libraries.

Fix #28029.

(cherry picked from commit 4a2546e)

extensions/redis-client/runtime/src/main/java/io/quarkus/redis/datasource/codecs/Codecs.java

@@ -22,6 +22,9 @@ public static <T> Codec<T> getDefaultCodecFor(Class<T> clazz) {
         if (clazz.equals(String.class)) {
             return (Codec<T>) StringCodec.INSTANCE;
         }
+        if (clazz.equals(byte[].class)) {
+            return (Codec<T>) ByteArrayCodec.INSTANCE;
+        }
         // JSON by default
         return new JsonCodec<>(clazz);
     }
@@ -114,4 +117,23 @@ public Integer decode(byte[] item) {
         }
     }
 
+    public static class ByteArrayCodec implements Codec<byte[]> {
+
+        public static ByteArrayCodec INSTANCE = new ByteArrayCodec();
+
+        private ByteArrayCodec() {
+            // Avoid direct instantiation;
+        }
+
+        @Override
+        public byte[] encode(byte[] item) {
+            return item;
+        }
+
+        @Override
+        public byte[] decode(byte[] item) {
+            return item;
+        }
+    }
+
 }