public static void WriteJsonusingUTF8Writer(string path)
{
var writeOptions = new JsonWriterOptions
{
Indented = true,
SkipValidation = false
};
var bufferwriter = new ArrayBufferWriter <byte>();
using (Utf8JsonWriter writer = new Utf8JsonWriter(bufferwriter, writeOptions))
{
writer.WriteStartObject();
writer.WriteNumber("ID", 1);
writer.WriteNull("ID2");
writer.WriteBoolean("IsValid", true);
writer.WriteString("CreatedDate", DateTimeOffset.UtcNow);
writer.WriteNumber("NumValue", 1.2345);
//Example of a comment
writer.WriteCommentValue("Example of a comment");
writer.WriteStartArray("NumArray");
writer.WriteNumberValue(1.23);
writer.WriteNumberValue(4.56);
writer.WriteCommentValue("Example of a comment");
writer.WriteNumberValue(7.89);
writer.WriteEndArray();
writer.WriteStartObject("Object");
writer.WriteNumber("ID", 1);
writer.WriteString("Name", "InnerObject");
writer.WriteBase64String("FileData", File.ReadAllBytes("StaticFiles/SampleText.txt"));
writer.WriteEndObject();
writer.WriteEndObject();
}
string json = Encoding.UTF8.GetString(bufferwriter.WrittenSpan);
Console.WriteLine(json);
File.WriteAllBytes(path, bufferwriter.WrittenSpan.ToArray());
}
public override StreamMetadata Read(ref Utf8JsonReader reader, Type typeToConvert,
JsonSerializerOptions options)
{
int? maxCount = null;
TimeSpan? maxAge = null, cacheControl = null;
StreamRevision?truncateBefore = null;
StreamAcl acl = null;
using var stream = new MemoryStream();
using var customMetadataWriter = new Utf8JsonWriter(stream);
if (reader.TokenType != JsonTokenType.StartObject)
{
throw new InvalidOperationException();
}
customMetadataWriter.WriteStartObject();
while (reader.Read())
{
if (reader.TokenType == JsonTokenType.EndObject)
{
break;
}
if (reader.TokenType != JsonTokenType.PropertyName)
{
throw new InvalidOperationException();
}
switch (reader.GetString())
{
case SystemMetadata.MaxCount:
if (!reader.Read())
{
throw new InvalidOperationException();
}
maxCount = reader.GetInt32();
break;
case SystemMetadata.MaxAge:
if (!reader.Read())
{
throw new InvalidOperationException();
}
var int64 = reader.GetInt64();
maxAge = TimeSpan.FromSeconds(int64);
break;
case SystemMetadata.CacheControl:
if (!reader.Read())
{
throw new InvalidOperationException();
}
cacheControl = TimeSpan.FromSeconds(reader.GetInt64());
break;
case SystemMetadata.TruncateBefore:
if (!reader.Read())
{
throw new InvalidOperationException();
}
var value = reader.GetInt64();
truncateBefore = value == long.MaxValue
? StreamRevision.End
: StreamRevision.FromInt64(value);
break;
case SystemMetadata.Acl:
if (!reader.Read())
{
throw new InvalidOperationException();
}
acl = StreamAclJsonConverter.Instance.Read(ref reader, typeof(StreamAcl), options);
break;
default:
customMetadataWriter.WritePropertyName(reader.GetString());
reader.Read();
switch (reader.TokenType)
{
case JsonTokenType.Comment:
customMetadataWriter.WriteCommentValue(reader.GetComment());
break;
case JsonTokenType.String:
customMetadataWriter.WriteStringValue(reader.GetString());
break;
case JsonTokenType.Number:
customMetadataWriter.WriteNumberValue(reader.GetDouble());
break;
case JsonTokenType.True:
case JsonTokenType.False:
customMetadataWriter.WriteBooleanValue(reader.GetBoolean());
break;
case JsonTokenType.Null:
reader.Read();
customMetadataWriter.WriteNullValue();
break;
default:
throw new ArgumentOutOfRangeException();
}
break;
}
}
customMetadataWriter.WriteEndObject();
customMetadataWriter.Flush();
stream.Position = 0;
return(new StreamMetadata(maxCount, maxAge, truncateBefore, cacheControl, acl,
JsonDocument.Parse(stream)));
}
public static void CopyCurrentTokenTo(this Utf8JsonReader reader, Utf8JsonWriter writer)
{
switch (reader.TokenType)
{
case JsonTokenType.Comment:
writer.WriteCommentValue(reader.GetComment());
break;
case JsonTokenType.EndArray:
writer.WriteEndArray();
break;
case JsonTokenType.EndObject:
writer.WriteEndObject();
break;
case JsonTokenType.False:
writer.WriteBooleanValue(false);
break;
case JsonTokenType.None:
break;
case JsonTokenType.Null:
writer.WriteNullValue();
break;
case JsonTokenType.Number:
if (reader.TryGetDecimal(out decimal d))
{
writer.WriteNumberValue(d);
}
else
{
throw new OverflowException("Too large for decimal"); // How can I copy over the number if it can't even be represented in C#?
}
break;
case JsonTokenType.PropertyName:
writer.WritePropertyName(reader.GetString());
break;
case JsonTokenType.StartArray:
writer.WriteStartArray();
break;
case JsonTokenType.StartObject:
writer.WriteStartObject();
break;
case JsonTokenType.String:
writer.WriteStringValue(reader.GetString());
break;
case JsonTokenType.True:
writer.WriteBooleanValue(true);
break;
default:
throw new DefaultSwitchCaseUnreachableException();
}
}
private void OverwriteAppsettings()
{
const string APPSETTINGS = "appsettings.json";
const string TEMP = "appsettings.tmp";
lock (_fileLock)
{
using (Stream ofStream = System.IO.File.OpenRead(APPSETTINGS))
using (Utf8JsonStreamReader.Utf8JsonStreamReader reader = new Utf8JsonStreamReader.Utf8JsonStreamReader(ofStream, BUFFERSIZE))
using (Stream nfStream = System.IO.File.Create(TEMP))
using (Utf8JsonWriter writer = new Utf8JsonWriter(nfStream, new JsonWriterOptions {
Indented = true
}))
{
while (reader.Read())
{
switch (reader.TokenType)
{
case JsonTokenType.None:
break;
case JsonTokenType.StartObject:
writer.WriteStartObject();
break;
case JsonTokenType.EndObject:
writer.WriteEndObject();
break;
case JsonTokenType.StartArray:
writer.WriteStartArray();
break;
case JsonTokenType.EndArray:
writer.WriteEndArray();
break;
case JsonTokenType.Comment:
writer.WriteCommentValue(reader.GetComment());
break;
case JsonTokenType.String:
writer.WriteStringValue(reader.GetString());
break;
case JsonTokenType.Number:
writer.WriteNumberValue(reader.GetDecimal());
break;
case JsonTokenType.True:
writer.WriteBooleanValue(true);
break;
case JsonTokenType.False:
writer.WriteBooleanValue(false);
break;
case JsonTokenType.Null:
writer.WriteNullValue();
break;
case JsonTokenType.PropertyName:
if (reader.HasValueSequence)
{
Span <byte> buffer;
if (reader.ValueSequence.Length <= BUFFERSIZE)
{
buffer = new Span <byte>(_buffer, 0, (int)reader.ValueSequence.Length);
}
else
{
buffer = new Span <byte>(new byte[reader.ValueSequence.Length]);
}
reader.ValueSequence.CopyTo(buffer);
if (!buffer.SequenceEqual(BOTSETTINGS))
{
writer.WritePropertyName(buffer);
break;
}
}
else
{
if (!reader.ValueSpan.SequenceEqual(BOTSETTINGS))
{
writer.WritePropertyName(reader.ValueSpan);
break;
}
}
writer.WritePropertyName(BOTSETTINGS);
JsonSerializer.Serialize(writer, _settings);
// skip botsettigns
int startDepth = reader.CurrentDepth;
while (reader.TokenType != JsonTokenType.EndObject && reader.CurrentDepth != startDepth)
{
reader.Read();
}
break;
default:
break;
}
}
}
System.IO.File.Move(TEMP, APPSETTINGS);
}
}
private static void WriteTestUsersSection(Utf8JsonWriter jw, IEnumerable <TestUser> testUsers)
{
jw.WriteStartArray("TestUsers");
{
foreach (var user in testUsers)
{
jw.WriteStartObject();
{
jw.WriteString("Email", user.Email);
if (user.EmailConfirmed != TestUser.EMAIL_CONFIRMED_DEFAULT)
{
jw.WriteBoolean("EmailConfirmed", user.EmailConfirmed);
}
if (user.PlainTextPassword != TestUser.PASSWORD_DEFAULT)
{
jw.WriteString("PlainTextPassword", user.PlainTextPassword);
}
if (user.PhoneNumber != TestUser.PHONE_NUMBER_DEFAULT)
{
jw.WriteString("PhoneNumber", user.PhoneNumber);
}
if (user.PhoneNumberConfirmed != TestUser.PHONE_CONFIRMED_DEFAULT)
{
jw.WriteBoolean("PhoneNumberConfirmed", user.PhoneNumberConfirmed);
}
if (user.Organization != default)
{
jw.WriteString("Organization", user.Organization);
}
if (user.OrganizationConfirmed != TestUser.ORGANIZATION_CONFIRMED_DEFAULT)
{
jw.WriteBoolean("OrganizationConfirmed", user.OrganizationConfirmed);
}
if (user.OrganizationAdmin != TestUser.ORGANIZATION_ADMIN_DEFAULT)
{
jw.WriteBoolean("OrganizationAdmin", user.OrganizationAdmin);
}
if (user.SuperAdmin != TestUser.SUPER_ADMIN_DEFAULT)
{
jw.WriteBoolean("SuperAdmin", user.SuperAdmin);
}
if (user.LockedOut != TestUser.LOCKED_OUT_DEFAULT)
{
jw.WriteBoolean("LockedOut", user.LockedOut);
}
if (user.Roles != null && user.Roles.Count > 0)
{
jw.WriteStartArray("Roles");
{
foreach (var role in user.Roles)
{
jw.WriteStringValue(role);
}
}
jw.WriteEndArray();
}
if (user.Claims != null && user.Claims.Count > 0)
{
if (user.Claims.Count == 1 && user.Claims.Keys.First() == "someClaimType")
{
jw.WriteCommentValue("Sample Custom Claims");
}
jw.WriteStartObject("Claims");
{
foreach (var claimType in user.Claims.Keys)
{
jw.WriteStartArray(claimType);
{
foreach (var claimValue in user.Claims[claimType])
{
jw.WriteStringValue(claimValue);
}
}
jw.WriteEndArray();
}
}
jw.WriteEndObject();
}
}
jw.WriteEndObject();
}
}
jw.WriteEndArray();
}
