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hamakaze/Hamakaze/Headers/HttpContentLengthHeader.cs

31 lines
992 B
C#

using System;
using System.IO;
namespace Hamakaze.Headers {
public class HttpContentLengthHeader : HttpHeader {
public const string NAME = @"Content-Length";
public override string Name => NAME;
public override object Value => Stream?.Length ?? Length;
private Stream Stream { get; }
private long Length { get; }
public HttpContentLengthHeader(Stream stream) {
Stream = stream ?? throw new ArgumentNullException(nameof(stream));
if(!stream.CanRead || !stream.CanSeek)
throw new ArgumentException(@"Body must readable and seekable.", nameof(stream));
}
public HttpContentLengthHeader(long length) {
Length = length;
}
public HttpContentLengthHeader(string length) {
if(!long.TryParse(length, out long ll))
throw new ArgumentException(@"Invalid length value.", nameof(length));
Length = ll;
}
}
}