From d8c313cfa641af351008a4ff80ee6f3fa431ec17 Mon Sep 17 00:00:00 2001
From: Oleg Kuzych <oleg-kuzych@users.noreply.github.com>
Date: Mon, 8 Jun 2020 21:00:17 +0300
Subject: [PATCH] Fix GsonDeserializer to support unicode characters
 independently of "file.encoding" system property's value being used by JVM
 (#592)

Co-authored-by: Oleh Kuzych <oleh_kuzych_tp@bmc.com>
---
 .../main/java/io/jsonwebtoken/gson/io/GsonDeserializer.java   | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/extensions/gson/src/main/java/io/jsonwebtoken/gson/io/GsonDeserializer.java b/extensions/gson/src/main/java/io/jsonwebtoken/gson/io/GsonDeserializer.java
index 75ac69b7..f08c37cd 100644
--- a/extensions/gson/src/main/java/io/jsonwebtoken/gson/io/GsonDeserializer.java
+++ b/extensions/gson/src/main/java/io/jsonwebtoken/gson/io/GsonDeserializer.java
@@ -19,6 +19,8 @@ import com.google.gson.Gson;
 import io.jsonwebtoken.io.DeserializationException;
 import io.jsonwebtoken.io.Deserializer;
 import io.jsonwebtoken.lang.Assert;
+import io.jsonwebtoken.lang.Strings;
+
 import java.io.IOException;
 
 public class GsonDeserializer<T> implements Deserializer<T> {
@@ -54,6 +56,6 @@ public class GsonDeserializer<T> implements Deserializer<T> {
     }
 
     protected T readValue(byte[] bytes) throws IOException {
-        return gson.fromJson(new String(bytes), returnType);
+        return gson.fromJson(new String(bytes, Strings.UTF_8), returnType);
     }
 }