Enable nullable annotations for Volo.Abp.Http.Client

framework/src/Volo.Abp.Http.Client/Microsoft/Extensions/DependencyInjection/ServiceCollectionHttpClientProxyExtensions.cs

@@ -191,7 +191,7 @@ public static class ServiceCollectionHttpClientProxyExtensions
                 return Activator.CreateInstance(
                     typeof(HttpClientProxy<>).MakeGenericType(type),
                     service
-                );
+                )!;
             });
 
         return services;

framework/src/Volo.Abp.Http.Client/Volo.Abp.Http.Client.csproj

@@ -5,6 +5,8 @@
 
   <PropertyGroup>
     <TargetFrameworks>netstandard2.0;netstandard2.1;net7.0</TargetFrameworks>
+    <Nullable>enable</Nullable>
+    <WarningsAsErrors>Nullable</WarningsAsErrors>
     <AssemblyName>Volo.Abp.Http.Client</AssemblyName>
     <PackageId>Volo.Abp.Http.Client</PackageId>
     <AssetTargetFallback>$(AssetTargetFallback);portable-net45+win8+wp8+wpa81;</AssetTargetFallback>

framework/src/Volo.Abp.Http.Client/Volo/Abp/Http/Client/Authentication/IAbpAccessTokenProvider.cs

@@ -4,5 +4,5 @@ namespace Volo.Abp.Http.Client.Authentication;
 
 public interface IAbpAccessTokenProvider
 {
-    Task<string> GetTokenAsync();
+    Task<string?> GetTokenAsync();
 }

framework/src/Volo.Abp.Http.Client/Volo/Abp/Http/Client/Authentication/NullAbpAccessTokenProvider.cs

@@ -5,7 +5,7 @@ namespace Volo.Abp.Http.Client.Authentication;
 
 public class NullAbpAccessTokenProvider : IAbpAccessTokenProvider, ITransientDependency
 {
-    public Task<string> GetTokenAsync()
+    public Task<string?> GetTokenAsync()
     {
         return Task.FromResult(null as string);
     }

framework/src/Volo.Abp.Http.Client/Volo/Abp/Http/Client/ClientProxying/ClientProxyApiDescriptionFinder.cs

@@ -17,7 +17,7 @@ public class ClientProxyApiDescriptionFinder : IClientProxyApiDescriptionFinder,
     protected IVirtualFileProvider VirtualFileProvider { get; }
     protected IJsonSerializer JsonSerializer { get; }
     protected Dictionary<string, ActionApiDescriptionModel> ActionApiDescriptionModels { get; }
-    protected ApplicationApiDescriptionModel ApplicationApiDescriptionModel { get; set; }
+    protected ApplicationApiDescriptionModel ApplicationApiDescriptionModel { get; set; } = default!;
 
     public ClientProxyApiDescriptionFinder(
         IVirtualFileProvider virtualFileProvider,
@@ -30,7 +30,7 @@ public class ClientProxyApiDescriptionFinder : IClientProxyApiDescriptionFinder,
         Initialize();
     }
 
-    public ActionApiDescriptionModel FindAction(string methodName)
+    public ActionApiDescriptionModel? FindAction(string methodName)
     {
         return ActionApiDescriptionModels.ContainsKey(methodName) ? ActionApiDescriptionModels[methodName] : null;
     }
@@ -113,7 +113,7 @@ public class ClientProxyApiDescriptionFinder : IClientProxyApiDescriptionFinder,
             return rootPath + physicalDirectoryInfo.Name.EnsureStartsWith('/');
         }
 
-        return fileInfo.PhysicalPath;
+        return fileInfo.PhysicalPath!;
     }
     
     private string GetProxyFileInfoPath(string rootPath, IFileInfo fileInfo)
@@ -123,6 +123,6 @@ public class ClientProxyApiDescriptionFinder : IClientProxyApiDescriptionFinder,
             return rootPath + physicalFileInfo.Name.EnsureStartsWith('/');
         }
 
-        return fileInfo.GetVirtualOrPhysicalPathOrNull();
+        return fileInfo.GetVirtualOrPhysicalPathOrNull()!;
     }
 }

framework/src/Volo.Abp.Http.Client/Volo/Abp/Http/Client/ClientProxying/ClientProxyBase.cs

@@ -25,7 +25,7 @@ namespace Volo.Abp.Http.Client.ClientProxying;
 
 public class ClientProxyBase<TService> : ITransientDependency
 {
-    public IAbpLazyServiceProvider LazyServiceProvider { get; set; }
+    public IAbpLazyServiceProvider LazyServiceProvider { get; set; } = default!;
 
     protected IClientProxyApiDescriptionFinder ClientProxyApiDescriptionFinder => LazyServiceProvider.LazyGetRequiredService<IClientProxyApiDescriptionFinder>();
     protected ICancellationTokenProvider CancellationTokenProvider => LazyServiceProvider.LazyGetRequiredService<ICancellationTokenProvider>();
@@ -42,17 +42,17 @@ public class ClientProxyBase<TService> : ITransientDependency
     protected ICurrentApiVersionInfo CurrentApiVersionInfo => LazyServiceProvider.LazyGetRequiredService<ICurrentApiVersionInfo>();
     protected ILocalEventBus LocalEventBus => LazyServiceProvider.LazyGetRequiredService<ILocalEventBus>();
 
-    protected virtual async Task RequestAsync(string methodName, ClientProxyRequestTypeValue arguments = null)
+    protected virtual async Task RequestAsync(string methodName, ClientProxyRequestTypeValue? arguments = null)
     {
         await RequestAsync(BuildHttpProxyClientProxyContext(methodName, arguments));
     }
 
-    protected virtual async Task<T> RequestAsync<T>(string methodName, ClientProxyRequestTypeValue arguments = null)
+    protected virtual async Task<T> RequestAsync<T>(string methodName, ClientProxyRequestTypeValue? arguments = null)
     {
         return await RequestAsync<T>(BuildHttpProxyClientProxyContext(methodName, arguments));
     }
 
-    protected virtual ClientProxyRequestContext BuildHttpProxyClientProxyContext(string methodName, ClientProxyRequestTypeValue arguments = null)
+    protected virtual ClientProxyRequestContext BuildHttpProxyClientProxyContext(string methodName, ClientProxyRequestTypeValue? arguments = null)
     {
         if (arguments == null)
         {
@@ -67,7 +67,7 @@ public class ClientProxyBase<TService> : ITransientDependency
         }
 
         var actionArguments = action.Parameters.GroupBy(x => x.NameOnMethod).ToList();
-        if (action.SupportedVersions.Any())
+        if (action.SupportedVersions != null && action.SupportedVersions.Any())
         {
             //TODO: make names configurable
             actionArguments.RemoveAll(x => x.Key == "api-version" || x.Key == "apiVersion");
@@ -107,7 +107,7 @@ public class ClientProxyBase<TService> : ITransientDependency
 
         if (stringContent.IsNullOrWhiteSpace())
         {
-            return default;
+            return default!;
         }
 
         return JsonSerializer.Deserialize<T>(stringContent);
@@ -177,7 +177,7 @@ public class ClientProxyBase<TService> : ITransientDependency
         var versionParam = requestContext.Action.Parameters.FirstOrDefault(p => p.Name == "apiVersion" && p.BindingSourceId == ParameterBindingSources.Path) ??
                            requestContext.Action.Parameters.FirstOrDefault(p => p.Name == "api-version" && p.BindingSourceId == ParameterBindingSources.Query);
 
-        return new ApiVersionInfo(versionParam?.BindingSourceId, apiVersion);
+        return new ApiVersionInfo(versionParam?.BindingSourceId!, apiVersion);
     }
 
     protected virtual async Task<string> GetUrlWithParametersAsync(ClientProxyRequestContext requestContext, ApiVersionInfo apiVersion)
@@ -185,7 +185,7 @@ public class ClientProxyBase<TService> : ITransientDependency
         return await ClientProxyUrlBuilder.GenerateUrlWithParametersAsync(requestContext.Action, requestContext.Arguments, apiVersion);
     }
 
-    protected virtual async Task<HttpContent> GetHttpContentAsync(ClientProxyRequestContext requestContext, ApiVersionInfo apiVersion)
+    protected virtual async Task<HttpContent?> GetHttpContentAsync(ClientProxyRequestContext requestContext, ApiVersionInfo apiVersion)
     {
         return await ClientProxyRequestPayloadBuilder.BuildContentAsync(requestContext.Action, requestContext.Arguments, JsonSerializer, apiVersion);
     }
@@ -199,15 +199,15 @@ public class ClientProxyBase<TService> : ITransientDependency
             return configuredVersion ?? "1.0";
         }
 
-        if (requestContext.Action.SupportedVersions.Contains(configuredVersion))
+        if (requestContext.Action.SupportedVersions!.Contains(configuredVersion!))
         {
-            return configuredVersion;
+            return configuredVersion!;
         }
 
         return requestContext.Action.SupportedVersions.Last(); //TODO: Ensure to get the latest version!
     }
 
-    protected virtual async Task<string> GetConfiguredApiVersionAsync(ClientProxyRequestContext requestContext)
+    protected virtual async Task<string?> GetConfiguredApiVersionAsync(ClientProxyRequestContext requestContext)
     {
         var clientConfig = ClientOptions.Value.HttpClientProxies.GetOrDefault(requestContext.ServiceType)
                            ?? throw new AbpException($"Could not get DynamicHttpClientProxyConfig for {requestContext.ServiceType.FullName}.");
@@ -220,8 +220,8 @@ public class ClientProxyBase<TService> : ITransientDependency
     {
         await LocalEventBus.PublishAsync(new ClientProxyExceptionEventData()
         {
-            StatusCode = (int?)response?.StatusCode,
-            ReasonPhrase = response?.ReasonPhrase
+            StatusCode = (int?)response.StatusCode,
+            ReasonPhrase = response.ReasonPhrase
         });
 
         if (response.Headers.Contains(AbpHttpConsts.AbpErrorFormat))

framework/src/Volo.Abp.Http.Client/Volo/Abp/Http/Client/ClientProxying/ClientProxyRequestPayloadBuilder.cs

@@ -40,8 +40,7 @@ public class ClientProxyRequestPayloadBuilder : ITransientDependency
         HttpClientProxyingOptions = httpClientProxyingOptions.Value;
     }
 
-    [CanBeNull]
-    public virtual async Task<HttpContent> BuildContentAsync(ActionApiDescriptionModel action, IReadOnlyDictionary<string, object> methodArguments, IJsonSerializer jsonSerializer, ApiVersionInfo apiVersion)
+    public virtual async Task<HttpContent?> BuildContentAsync(ActionApiDescriptionModel action, IReadOnlyDictionary<string, object> methodArguments, IJsonSerializer jsonSerializer, ApiVersionInfo apiVersion)
     {
         var body = await GenerateBodyAsync(action, methodArguments, jsonSerializer);
         if (body != null)
@@ -54,7 +53,7 @@ public class ClientProxyRequestPayloadBuilder : ITransientDependency
         return body;
     }
 
-    protected virtual Task<HttpContent> GenerateBodyAsync(ActionApiDescriptionModel action, IReadOnlyDictionary<string, object> methodArguments, IJsonSerializer jsonSerializer)
+    protected virtual Task<HttpContent?> GenerateBodyAsync(ActionApiDescriptionModel action, IReadOnlyDictionary<string, object> methodArguments, IJsonSerializer jsonSerializer)
     {
         var parameters = action
             .Parameters
@@ -63,7 +62,7 @@ public class ClientProxyRequestPayloadBuilder : ITransientDependency
 
         if (parameters.Length <= 0)
         {
-            return Task.FromResult<HttpContent>(null);
+            return Task.FromResult<HttpContent?>(null);
         }
 
         if (parameters.Length > 1)
@@ -76,13 +75,13 @@ public class ClientProxyRequestPayloadBuilder : ITransientDependency
         var value = HttpActionParameterHelper.FindParameterValue(methodArguments, parameters[0]);
         if (value == null)
         {
-            return Task.FromResult<HttpContent>(null);
+            return Task.FromResult<HttpContent?>(null);
         }
 
-        return Task.FromResult<HttpContent>(new StringContent(jsonSerializer.Serialize(value), Encoding.UTF8, MimeTypes.Application.Json));
+        return Task.FromResult<HttpContent?>(new StringContent(jsonSerializer.Serialize(value), Encoding.UTF8, MimeTypes.Application.Json));
     }
 
-    protected virtual async Task<HttpContent> GenerateFormPostDataAsync(ActionApiDescriptionModel action, IReadOnlyDictionary<string, object> methodArguments)
+    protected virtual async Task<HttpContent?> GenerateFormPostDataAsync(ActionApiDescriptionModel action, IReadOnlyDictionary<string, object> methodArguments)
     {
         var parameters = action
             .Parameters
@@ -108,7 +107,7 @@ public class ClientProxyRequestPayloadBuilder : ITransientDependency
             {
                 using (var scope = ServiceScopeFactory.CreateScope())
                 {
-                    var formDataContents = await (Task<List<KeyValuePair<string, HttpContent>>>)CallObjectToFormDataAsyncMethod
+                    var formDataContents = await (Task<List<KeyValuePair<string, HttpContent>>?>)CallObjectToFormDataAsyncMethod
                         .MakeGenericMethod(value.GetType())
                         .Invoke(this, new object[]
                         {
@@ -116,7 +115,7 @@ public class ClientProxyRequestPayloadBuilder : ITransientDependency
                             action,
                             parameter,
                             value
-                        });
+                        })!;
 
                     if (formDataContents != null)
                     {
@@ -158,12 +157,12 @@ public class ClientProxyRequestPayloadBuilder : ITransientDependency
             {
                 foreach (var item in (IEnumerable) value)
                 {
-                    formData.Add(new StringContent(item.ToString(), Encoding.UTF8), parameter.Name);
+                    formData.Add(new StringContent(item.ToString()!, Encoding.UTF8), parameter.Name);
                 }
             }
             else
             {
-                formData.Add(new StringContent(value.ToString(), Encoding.UTF8), parameter.Name);
+                formData.Add(new StringContent(value.ToString()!, Encoding.UTF8), parameter.Name);
             }
         }
 

framework/src/Volo.Abp.Http.Client/Volo/Abp/Http/Client/ClientProxying/ClientProxyUrlBuilder.cs

@@ -100,15 +100,15 @@ public class ClientProxyUrlBuilder : ITransientDependency
                 {
                     using (var scope = ServiceScopeFactory.CreateScope())
                     {
-                        var path = await (Task<string>)CallObjectToPathAsyncMethod
+                        var path = await (Task<string?>)CallObjectToPathAsyncMethod
                             .MakeGenericMethod(value.GetType())
-                            .Invoke(this, new object[]
+                            .Invoke(this, new object?[]
                             {
                                 scope.ServiceProvider.GetRequiredService(HttpClientProxyingOptions.PathConverts[value.GetType()]),
                                 action,
                                 pathParameter,
                                 value
-                            });
+                            })!;
 
                         if (path != null)
                         {
@@ -143,7 +143,7 @@ public class ClientProxyUrlBuilder : ITransientDependency
             {
                 using (var scope = ServiceScopeFactory.CreateScope())
                 {
-                    var queryString = await (Task<string>)CallObjectToQueryStringAsyncMethod
+                    var queryString = await (Task<string?>)CallObjectToQueryStringAsyncMethod
                         .MakeGenericMethod(value.GetType())
                         .Invoke(this, new object[]
                         {
@@ -151,7 +151,7 @@ public class ClientProxyUrlBuilder : ITransientDependency
                             action,
                             queryStringParameter,
                             value
-                        });
+                        })!;
 
                     if (queryString != null)
                     {
@@ -218,11 +218,11 @@ public class ClientProxyUrlBuilder : ITransientDependency
         return true;
     }
 
-    protected virtual Task<string> ConvertValueToStringAsync([CanBeNull] object value)
+    protected virtual Task<string?> ConvertValueToStringAsync(object? value)
     {
         if (value is DateTime dateTimeValue)
         {
-            return Task.FromResult(dateTimeValue.ToUniversalTime().ToString("O"));
+            return Task.FromResult(dateTimeValue.ToUniversalTime().ToString("O"))!;
         }
 
         return Task.FromResult(value?.ToString());

framework/src/Volo.Abp.Http.Client/Volo/Abp/Http/Client/ClientProxying/CurrentApiVersionInfo.cs

@@ -6,11 +6,11 @@ namespace Volo.Abp.Http.Client.ClientProxying;
 
 public class CurrentApiVersionInfo : ICurrentApiVersionInfo, ISingletonDependency
 {
-    public ApiVersionInfo ApiVersionInfo => _currentApiVersionInfo.Value;
+    public ApiVersionInfo? ApiVersionInfo => _currentApiVersionInfo.Value;
 
-    private readonly AsyncLocal<ApiVersionInfo> _currentApiVersionInfo = new AsyncLocal<ApiVersionInfo>();
+    private readonly AsyncLocal<ApiVersionInfo?> _currentApiVersionInfo = new AsyncLocal<ApiVersionInfo?>();
 
-    public virtual IDisposable Change(ApiVersionInfo apiVersionInfo)
+    public virtual IDisposable Change(ApiVersionInfo? apiVersionInfo)
     {
         var parent = ApiVersionInfo;
         _currentApiVersionInfo.Value = apiVersionInfo;

framework/src/Volo.Abp.Http.Client/Volo/Abp/Http/Client/ClientProxying/IClientProxyApiDescriptionFinder.cs

@@ -4,7 +4,7 @@ namespace Volo.Abp.Http.Client.ClientProxying;
 
 public interface IClientProxyApiDescriptionFinder
 {
-    ActionApiDescriptionModel FindAction(string methodName);
+    ActionApiDescriptionModel? FindAction(string methodName);
 
     ApplicationApiDescriptionModel GetApiDescription();
 }

framework/src/Volo.Abp.Http.Client/Volo/Abp/Http/Client/ClientProxying/ICurrentApiVersionInfo.cs

@@ -4,7 +4,7 @@ namespace Volo.Abp.Http.Client.ClientProxying;
 
 public interface ICurrentApiVersionInfo
 {
-    ApiVersionInfo ApiVersionInfo { get; }
+    ApiVersionInfo? ApiVersionInfo { get; }
 
-    IDisposable Change(ApiVersionInfo apiVersionInfo);
+    IDisposable Change(ApiVersionInfo? apiVersionInfo);
 }

framework/src/Volo.Abp.Http.Client/Volo/Abp/Http/Client/DynamicProxying/ApiDescriptionFinder.cs

@@ -118,7 +118,7 @@ public class ApiDescriptionFinder : IApiDescriptionFinder, ITransientDependency
 
         var content = await response.Content.ReadAsStringAsync();
 
-        var result = JsonSerializer.Deserialize<ApplicationApiDescriptionModel>(content, DeserializeOptions);
+        var result = JsonSerializer.Deserialize<ApplicationApiDescriptionModel>(content, DeserializeOptions)!;
 
         return result;
     }

framework/src/Volo.Abp.Http.Client/Volo/Abp/Http/Client/DynamicProxying/DynamicHttpProxyInterceptor.cs

@@ -66,7 +66,7 @@ public class DynamicHttpProxyInterceptor<TService> : AbpInterceptor, ITransientD
             var returnType = invocation.Method.ReturnType.GenericTypeArguments[0];
             var result = (Task)CallRequestAsyncMethod
                 .MakeGenericMethod(returnType)
-                .Invoke(this, new object[] { context });
+                .Invoke(this, new object[] { context })!;
 
             invocation.ReturnValue = await GetResultAsync(result, returnType);
         }
@@ -99,6 +99,6 @@ public class DynamicHttpProxyInterceptor<TService> : AbpInterceptor, ITransientD
             .MakeGenericType(resultType)
             .GetProperty(nameof(Task<object>.Result), BindingFlags.Instance | BindingFlags.Public);
         Check.NotNull(resultProperty, nameof(resultProperty));
-        return resultProperty.GetValue(task);
+        return resultProperty!.GetValue(task)!;
     }
 }

framework/src/Volo.Abp.Http.Client/Volo/Abp/Http/Client/Proxying/HttpActionParameterHelper.cs

@@ -6,7 +6,7 @@ namespace Volo.Abp.Http.Client.Proxying;
 
 internal static class HttpActionParameterHelper
 {
-    public static object FindParameterValue(IReadOnlyDictionary<string, object> methodArguments, ParameterApiDescriptionModel apiParameter)
+    public static object? FindParameterValue(IReadOnlyDictionary<string, object> methodArguments, ParameterApiDescriptionModel apiParameter)
     {
         var value = methodArguments.GetOrDefault(apiParameter.NameOnMethod);
         if (value == null)