public JsonHalOutputFormatter(JsonSerializerSettings serializerSettings, IEnumerable<string> halJsonMediaTypes = null) {
if(halJsonMediaTypes == null) halJsonMediaTypes = new string[] { HalJsonType };
this.jsonFormatter = new JsonOutputFormatter(serializerSettings, ArrayPool<Char>.Create());
this.halJsonMediaTypes = halJsonMediaTypes;
}
private IHtmlContent SerializeInternal(JsonOutputFormatter jsonOutputFormatter, object value)
{
var stringWriter = new StringWriter(CultureInfo.InvariantCulture);
jsonOutputFormatter.WriteObject(stringWriter, value);
return new HtmlString(stringWriter.ToString());
}
public async Task ChangesTo_SerializerSettings_AffectSerialization()
{
// Arrange
var person = new User() { FullName = "John", age = 35 };
var outputFormatterContext = GetOutputFormatterContext(person, typeof(User));
var settings = new JsonSerializerSettings
{
ContractResolver = new CamelCasePropertyNamesContractResolver(),
Formatting = Formatting.Indented,
};
var expectedOutput = JsonConvert.SerializeObject(person, settings);
var jsonFormatter = new JsonOutputFormatter(settings, ArrayPool<char>.Shared);
// Act
await jsonFormatter.WriteResponseBodyAsync(outputFormatterContext, Encoding.UTF8);
// Assert
var body = outputFormatterContext.HttpContext.Response.Body;
Assert.NotNull(body);
body.Position = 0;
var content = new StreamReader(body, Encoding.UTF8).ReadToEnd();
Assert.Equal(expectedOutput, content);
}
/// <summary>
/// Initializes a new instance of <see cref="JsonHelper"/> that is backed by <paramref name="jsonOutputFormatter"/>.
/// </summary>
/// <param name="jsonOutputFormatter">The <see cref="JsonOutputFormatter"/> used to serialize JSON.</param>
public JsonHelper(JsonOutputFormatter jsonOutputFormatter)
{
if (jsonOutputFormatter == null)
{
throw new ArgumentNullException(nameof(jsonOutputFormatter));
}
_jsonOutputFormatter = jsonOutputFormatter;
}
public static void AddJsonpOutputFormatter(this MvcOptions mvcOptions, JsonOutputFormatter jsonFormatter = null, string callbackQueryParameter = null)
{
jsonFormatter = jsonFormatter ?? mvcOptions.OutputFormatters.OfType<JsonOutputFormatter>().FirstOrDefault();
if (jsonFormatter == null) throw new Exception("JSON formatter must be provided or registered in MvcOptions");
callbackQueryParameter = callbackQueryParameter ?? "callback";
mvcOptions.FormatterMappings.SetMediaTypeMappingForFormat(callbackQueryParameter, "text/javascript");
mvcOptions.OutputFormatters.Insert(0, new JsonpMediaTypeFormatter(jsonFormatter, callbackQueryParameter));
}
/// <inheritdoc />
public IHtmlContent Serialize(object value, JsonSerializerSettings serializerSettings)
{
if (serializerSettings == null)
{
throw new ArgumentNullException(nameof(serializerSettings));
}
var jsonOutputFormatter = new JsonOutputFormatter(serializerSettings);
return SerializeInternal(jsonOutputFormatter, value);
}
/// <summary>
/// Initializes a new instance of <see cref="JsonHelper"/> that is backed by <paramref name="jsonOutputFormatter"/>.
/// </summary>
/// <param name="jsonOutputFormatter">The <see cref="JsonOutputFormatter"/> used to serialize JSON.</param>
/// <param name="charPool">
/// The <see cref="ArrayPool{Char}"/> for use with custom <see cref="JsonSerializerSettings"/> (see
/// <see cref="Serialize(object, JsonSerializerSettings)"/>).
/// </param>
public JsonHelper(JsonOutputFormatter jsonOutputFormatter, ArrayPool<char> charPool)
{
if (jsonOutputFormatter == null)
{
throw new ArgumentNullException(nameof(jsonOutputFormatter));
}
if (charPool == null)
{
throw new ArgumentNullException(nameof(charPool));
}
_jsonOutputFormatter = jsonOutputFormatter;
_charPool = charPool;
}
public JsonpMediaTypeFormatter(JsonOutputFormatter jsonMediaTypeFormatter, string callbackQueryParameter = null)
{
if (jsonMediaTypeFormatter == null)
{
throw new ArgumentNullException(nameof(jsonMediaTypeFormatter));
}
_jsonMediaTypeFormatter = jsonMediaTypeFormatter;
_callbackQueryParameter = callbackQueryParameter ?? "callback";
SupportedMediaTypes.Add(_textJavaScript);
SupportedMediaTypes.Add(_applicationJavaScript);
SupportedMediaTypes.Add(_applicationJsonp);
foreach (var encoding in _jsonMediaTypeFormatter.SupportedEncodings)
{
SupportedEncodings.Add(encoding);
}
}
public IActionResult ReturnsIndentedJson()
{
var user = new User()
{
Id = 1,
Alias = "john",
description = "Administrator",
Designation = "Administrator",
Name = "John Williams"
};
var jsonFormatter = new JsonOutputFormatter();
jsonFormatter.SerializerSettings.Formatting = Formatting.Indented;
var objectResult = new ObjectResult(user);
objectResult.Formatters.Add(jsonFormatter);
return objectResult;
}
public async Task WriteToStreamAsync_RoundTripsJToken()
{
// Arrange
var beforeMessage = "Hello World";
var formatter = new JsonOutputFormatter();
var before = new JValue(beforeMessage);
var memStream = new MemoryStream();
var outputFormatterContext = GetOutputFormatterContext(
beforeMessage,
typeof(string),
"application/json; charset=utf-8",
memStream);
// Act
await formatter.WriteResponseBodyAsync(outputFormatterContext, Encoding.UTF8);
// Assert
memStream.Position = 0;
var after = JToken.Load(new JsonTextReader(new StreamReader(memStream)));
var afterMessage = after.ToObject <string>();
Assert.Equal(beforeMessage, afterMessage);
}
public async Task ChangesTo_DefaultSerializerSettings_AfterSerialization_NoEffect()
{
// Arrange
var person = new User()
{
Name = "John", Age = 35
};
var expectedOutput = JsonConvert.SerializeObject(
person,
SerializerSettingsProvider.CreateSerializerSettings());
var jsonFormatter = new JsonOutputFormatter();
// This will create a serializer - which gets cached.
var outputFormatterContext1 = GetOutputFormatterContext(person, typeof(User));
await jsonFormatter.WriteResponseBodyAsync(outputFormatterContext1, Encoding.UTF8);
// These changes should have no effect.
jsonFormatter.SerializerSettings.ContractResolver = new CamelCasePropertyNamesContractResolver();
jsonFormatter.SerializerSettings.Formatting = Formatting.Indented;
var outputFormatterContext2 = GetOutputFormatterContext(person, typeof(User));
// Act
await jsonFormatter.WriteResponseBodyAsync(outputFormatterContext2, Encoding.UTF8);
// Assert
var body = outputFormatterContext2.HttpContext.Response.Body;
Assert.NotNull(body);
body.Position = 0;
var content = new StreamReader(body, Encoding.UTF8).ReadToEnd();
Assert.Equal(expectedOutput, content);
}
public async Task CustomSerializerSettingsObject_TakesEffect()
{
// Arrange
var person = new User()
{
Name = "John", Age = 35
};
var expectedOutput = JsonConvert.SerializeObject(person, new JsonSerializerSettings()
{
ContractResolver = new CamelCasePropertyNamesContractResolver(),
Formatting = Formatting.Indented
});
var jsonFormatter = new JsonOutputFormatter();
jsonFormatter.SerializerSettings = new JsonSerializerSettings()
{
ContractResolver = new CamelCasePropertyNamesContractResolver(),
Formatting = Formatting.Indented
};
var outputFormatterContext = GetOutputFormatterContext(person, typeof(User));
// Act
await jsonFormatter.WriteResponseBodyAsync(outputFormatterContext, Encoding.UTF8);
// Assert
var body = outputFormatterContext.HttpContext.Response.Body;
Assert.NotNull(body);
body.Position = 0;
var content = new StreamReader(body, Encoding.UTF8).ReadToEnd();
Assert.Equal(expectedOutput, content);
}
private static Encoding CreateOrGetSupportedEncoding(
JsonOutputFormatter formatter,
string encodingAsString,
bool isDefaultEncoding)
{
Encoding encoding = null;
if (isDefaultEncoding)
{
encoding = formatter.SupportedEncodings
.First((e) => e.WebName.Equals(encodingAsString, StringComparison.OrdinalIgnoreCase));
}
else
{
encoding = Encoding.GetEncoding(encodingAsString);
formatter.SupportedEncodings.Add(encoding);
}
return encoding;
}
public FallbackOnTypeBasedMatchController(IOptions<MvcOptions> mvcOptions)
{
_mvcOptions = mvcOptions;
_jsonOutputFormatter = mvcOptions.Value.OutputFormatters.OfType<JsonOutputFormatter>().First();
}
public async Task WriteToStreamAsync_RoundTripsJToken()
{
// Arrange
var beforeMessage = "Hello World";
var formatter = new JsonOutputFormatter(new JsonSerializerSettings(), ArrayPool<char>.Shared);
var before = new JValue(beforeMessage);
var memStream = new MemoryStream();
var outputFormatterContext = GetOutputFormatterContext(
beforeMessage,
typeof(string),
"application/json; charset=utf-8",
memStream);
// Act
await formatter.WriteResponseBodyAsync(outputFormatterContext, Encoding.UTF8);
// Assert
memStream.Position = 0;
var after = JToken.Load(new JsonTextReader(new StreamReader(memStream)));
var afterMessage = after.ToObject<string>();
Assert.Equal(beforeMessage, afterMessage);
}
public async Task WriteToStreamAsync_UsesCorrectCharacterEncoding(
string content,
string encodingAsString,
bool isDefaultEncoding)
{
// Arrange
var formatter = new JsonOutputFormatter(new JsonSerializerSettings(), ArrayPool<char>.Shared);
var formattedContent = "\"" + content + "\"";
var mediaType = MediaTypeHeaderValue.Parse(string.Format("application/json; charset={0}", encodingAsString));
var encoding = CreateOrGetSupportedEncoding(formatter, encodingAsString, isDefaultEncoding);
var expectedData = encoding.GetBytes(formattedContent);
var body = new MemoryStream();
var actionContext = GetActionContext(mediaType, body);
var outputFormatterContext = new OutputFormatterWriteContext(
actionContext.HttpContext,
new TestHttpResponseStreamWriterFactory().CreateWriter,
typeof(string),
content)
{
ContentType = new StringSegment(mediaType.ToString()),
};
// Act
await formatter.WriteResponseBodyAsync(outputFormatterContext, Encoding.GetEncoding(encodingAsString));
// Assert
var actualData = body.ToArray();
Assert.Equal(expectedData, actualData);
}
public JsonFormatterController(ArrayPool<char> charPool)
{
_indentingFormatter = new JsonOutputFormatter(_indentedSettings, charPool);
}
// This method gets called by the runtime. Use this method to add services to the container.
// For more information on how to configure your application, visit http://go.microsoft.com/fwlink/?LinkID=398940
public void ConfigureServices(IServiceCollection services)
{
services.AddLogging();
//services.AddGlimpse();
services.AddDbContext<MyWishesDbContext>(options => options.UseSqlServer(Configuration.GetConnectionString("DefaultConnection")));
services.AddMultitenancy<MultiTenancyResolver>().Configure<MultiTenancyOptions>(opt =>
{
opt.Resolvers.Add(new UrlTenantResolver() { TenantsSources = new[] { new MemoryTenantsSource() } });
});
services.AddMvc(options => {
var formatter = new JsonOutputFormatter
{
SerializerSettings = { ContractResolver = new CamelCasePropertyNamesContractResolver() }
};
options.OutputFormatters.Insert(0, formatter);
});
services.AddMyWishesDbContext();
services.AddTransient<ITenantsService, TenantsService>();
services.AddTransient<IWishDaysService, WishDaysService>();
services.AddTransient<IWishItemsService, WishItemsService>();
//services.AddTransient<IUserContextService>(new FakeUserContextService(Guid.NewGuid()));
}
