1 files changed, 16 insertions, 15 deletions

diff --git a/Emby.Server.Implementations/Localization/LocalizationManager.cs b/Emby.Server.Implementations/Localization/LocalizationManager.cs
index 30aaf3a05..dd5dee1d1 100644
--- a/Emby.Server.Implementations/Localization/LocalizationManager.cs
+++ b/Emby.Server.Implementations/Localization/LocalizationManager.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
@@ -5,11 +7,13 @@ using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Reflection;
+using System.Text.Json;
 using System.Threading.Tasks;
+using MediaBrowser.Common.Extensions;
+using MediaBrowser.Common.Json;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.Globalization;
-using MediaBrowser.Model.Serialization;
 using Microsoft.Extensions.Logging;
 
 namespace Emby.Server.Implementations.Localization
@@ -24,7 +28,6 @@ namespace Emby.Server.Implementations.Localization
         private static readonly string[] _unratedValues = { "n/a", "unrated", "not rated" };
 
         private readonly IServerConfigurationManager _configurationManager;
-        private readonly IJsonSerializer _jsonSerializer;
         private readonly ILogger<LocalizationManager> _logger;
 
         private readonly Dictionary<string, Dictionary<string, ParentalRating>> _allParentalRatings =
@@ -35,19 +38,18 @@ namespace Emby.Server.Implementations.Localization
 
         private List<CultureDto> _cultures;
 
+        private readonly JsonSerializerOptions _jsonOptions = JsonDefaults.Options;
+
         /// <summary>
         /// Initializes a new instance of the <see cref="LocalizationManager" /> class.
         /// </summary>
         /// <param name="configurationManager">The configuration manager.</param>
-        /// <param name="jsonSerializer">The json serializer.</param>
         /// <param name="logger">The logger.</param>
         public LocalizationManager(
             IServerConfigurationManager configurationManager,
-            IJsonSerializer jsonSerializer,
             ILogger<LocalizationManager> logger)
         {
             _configurationManager = configurationManager;
-            _jsonSerializer = jsonSerializer;
             _logger = logger;
         }
 
@@ -73,8 +75,7 @@ namespace Emby.Server.Implementations.Localization
                 using (var str = _assembly.GetManifestResourceStream(resource))
                 using (var reader = new StreamReader(str))
                 {
-                    string line;
-                    while ((line = await reader.ReadLineAsync().ConfigureAwait(false)) != null)
+                    await foreach (var line in reader.ReadAllLinesAsync().ConfigureAwait(false))
                     {
                         if (string.IsNullOrWhiteSpace(line))
                         {
@@ -119,10 +120,8 @@ namespace Emby.Server.Implementations.Localization
             using (var stream = _assembly.GetManifestResourceStream(ResourcePath))
             using (var reader = new StreamReader(stream))
             {
-                while (!reader.EndOfStream)
+                await foreach (var line in reader.ReadAllLinesAsync().ConfigureAwait(false))
                 {
-                    var line = await reader.ReadLineAsync().ConfigureAwait(false);
-
                     if (string.IsNullOrWhiteSpace(line))
                     {
                         continue;
@@ -179,8 +178,11 @@ namespace Emby.Server.Implementations.Localization
 
         /// <inheritdoc />
         public IEnumerable<CountryInfo> GetCountries()
-            => _jsonSerializer.DeserializeFromStream<IEnumerable<CountryInfo>>(
-                    _assembly.GetManifestResourceStream("Emby.Server.Implementations.Localization.countries.json"));
+        {
+            using StreamReader reader = new StreamReader(_assembly.GetManifestResourceStream("Emby.Server.Implementations.Localization.countries.json"));
+
+            return JsonSerializer.Deserialize<IEnumerable<CountryInfo>>(reader.ReadToEnd(), _jsonOptions);
+        }
 
         /// <inheritdoc />
         public IEnumerable<ParentalRating> GetParentalRatings()
@@ -313,10 +315,9 @@ namespace Emby.Server.Implementations.Localization
             }
 
             const string Prefix = "Core";
-            var key = Prefix + culture;
 
             return _dictionaries.GetOrAdd(
-                key,
+                culture,
                 f => GetDictionary(Prefix, culture, DefaultCulture + ".json").GetAwaiter().GetResult());
         }
 
@@ -344,7 +345,7 @@ namespace Emby.Server.Implementations.Localization
                 // If a Culture doesn't have a translation the stream will be null and it defaults to en-us further up the chain
                 if (stream != null)
                 {
-                    var dict = await _jsonSerializer.DeserializeFromStreamAsync<Dictionary<string, string>>(stream).ConfigureAwait(false);
+                    var dict = await JsonSerializer.DeserializeAsync<Dictionary<string, string>>(stream, _jsonOptions).ConfigureAwait(false);
 
                     foreach (var key in dict.Keys)
                     {