/// <summary>
/// Parses a JSON string into a class. The class needs to be decorated with the DataContract attribute.
/// </summary>
/// <typeparam name="T">Class type</typeparam>
/// <param name="json">Source JSON string</param>
/// <param name="result">Class instance created</param>
/// <returns>true when successful, false otherwise</returns>
// ReSharper disable once MemberCanBeMadeStatic.Global
public bool TryParse <T>(string json, [NotNullWhen(true)] out T?result) where T : class
{
try
{
result = LaraTools.Deserialize <T>(json);
return(result != null);
}
catch (SerializationException)
{
result = default;
return(false);
}
}
public async Task ReadAjaxMessage(HttpContext http)
{
if (!http.Request.HasFormContentType)
{
return;
}
var form = await http.Request.ReadFormAsync(); // TODO: cancellation token for shutdown
if (form.TryGetValue(GlobalConstants.MessageKey, out var values))
{
Message = LaraTools.Deserialize <ClientEventMessage>(values);
}
Files = form.Files;
}
/// <summary>
/// Initializes a new instance of the <see cref="StaticContent"/> class.
/// </summary>
/// <param name="bytes">The byte array.</param>
public StaticContent(byte[] bytes)
{
bytes = bytes ?? throw new ArgumentNullException(nameof(bytes));
var compressed = LaraTools.Compress(bytes);
long required = (int)Math.Floor(bytes.LongLength * RequiredCompressionFactor);
if (compressed.Length > required)
{
_bytes = bytes;
Compressed = false;
}
else
{
_bytes = compressed;
Compressed = true;
}
ETag = ComputeETag(bytes);
}
/// <summary>
/// Parses a JSON string. If parsing fails, throws a StatusCodeException that returns a Bad Request (400).
/// The class needs to be decorated with the DataContract attribute.
/// </summary>
/// <typeparam name="T">Class type</typeparam>
/// <param name="json">JSON source text</param>
/// <returns>Instance of deserialized class</returns>
public T Parse <T>(string json) where T : class
{
T?result;
try
{
result = LaraTools.Deserialize <T>(json);
}
catch (Exception e)
{
var outer = new StatusCodeException(Resources.BadRequest, e)
{
StatusCode = HttpStatusCode.BadRequest
};
throw outer;
}
if (result == null)
{
throw new StatusCodeException(HttpStatusCode.BadRequest, Resources.BadRequest);
}
return(result);
}
// ReSharper disable once InconsistentNaming public string ToJSON() => LaraTools.Serialize(this);
// ReSharper disable once InconsistentNaming
public static string GetFirstURL(IWebHost host)
{
host = host ?? throw new ArgumentNullException(nameof(host));
return(LaraTools.GetFirstUrl(host));
}
/// <summary> /// Launches the user's default web browser on the first address of the host passed in parameters. /// </summary> /// <param name="host">The host.</param> public static void LaunchBrowser(IWebHost host) => LaraTools.LaunchBrowser(host);
/// <summary> /// Launches the user's default web browser on the specified address. /// </summary> /// <param name="address">The address.</param> public static void LaunchBrowser(string address) => LaraTools.LaunchBrowser(address);
/// <summary> /// Serializes a class decorated with DataContract to a JSON string /// </summary> /// <param name="instance">Instance to serialize</param> /// <param name="type">Type of class</param> /// <returns>JSON string</returns> public string Stringify(object instance, Type type) => LaraTools.Serialize(instance, type);
/// <summary> /// Serializes a class decorated with DataContract to a JSON string /// </summary> /// <typeparam name="T">Type of class</typeparam> /// <param name="instance">Instance to serialize</param> /// <returns>JSON string</returns> public string Stringify <T>(T instance) => LaraTools.Serialize(instance);
// ReSharper disable once InconsistentNaming
public string ToJSON()
{
return(LaraTools.Serialize(this));
}