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ByteArrayContent.cs
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78 lines (68 loc) · 2.42 KB
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//
// ByteArrayContent.cs
//
// Authors:
// Marek Safar <marek.safar@gmail.com>
//
// Copyright (C) 2012 Xamarin Inc (http://www.xamarin.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using HttpClientLibrary;
using System.IO;
using System.Threading.Tasks;
namespace System.Net.Http
{
public class ByteArrayContent : HttpContent
{
readonly byte[] content;
readonly int offset, count;
public ByteArrayContent(byte[] content)
{
if (content == null)
throw new ArgumentNullException("content");
this.content = content;
this.count = content.Length;
}
public ByteArrayContent(byte[] content, int offset, int count)
: this(content)
{
if (offset < 0 || offset > this.count)
throw new ArgumentOutOfRangeException("offset");
if (count < 0 || count > (this.count - offset))
throw new ArgumentOutOfRangeException("count");
this.offset = offset;
this.count = count;
}
protected override Task<Stream> CreateContentReadStreamAsync()
{
return CompletedTask.FromResult<Stream>(new MemoryStream(content, offset, count));
}
protected internal override Task SerializeToStreamAsync(Stream stream, TransportContext context)
{
return stream.WriteAsync(content, offset, count);
}
protected internal override bool TryComputeLength(out long length)
{
length = count;
return true;
}
}
}