rework dlna project

RSSDP/HttpRequestParser.cs

@@ -0,0 +1,91 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net;
+using System.Net.Http;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Rssdp.Infrastructure
+{
+	/// <summary>
+	/// Parses a string into a <see cref="System.Net.Http.HttpRequestMessage"/> or throws an exception.
+	/// </summary>
+	public sealed class HttpRequestParser : HttpParserBase<HttpRequestMessage>
+	{
+
+		#region Fields & Constants
+
+		private readonly string[] ContentHeaderNames = new string[]
+				{
+					"Allow", "Content-Disposition", "Content-Encoding", "Content-Language", "Content-Length", "Content-Location", "Content-MD5", "Content-Range", "Content-Type", "Expires", "Last-Modified"
+				};
+
+		#endregion
+
+		#region Public Methods
+
+		/// <summary>
+		/// Parses the specified data into a <see cref="System.Net.Http.HttpRequestMessage"/> instance.
+		/// </summary>
+		/// <param name="data">A string containing the data to parse.</param>
+		/// <returns>A <see cref="System.Net.Http.HttpRequestMessage"/> instance containing the parsed data.</returns>
+		public override System.Net.Http.HttpRequestMessage Parse(string data)
+		{
+			System.Net.Http.HttpRequestMessage retVal = null;
+
+			try
+			{
+				retVal = new System.Net.Http.HttpRequestMessage();
+
+				retVal.Content = Parse(retVal, retVal.Headers, data);
+
+				return retVal;
+			}
+			finally
+			{
+				if (retVal != null)
+					retVal.Dispose();
+			}
+		}
+
+		#endregion
+
+		#region Overrides
+
+		/// <summary>
+		/// Used to parse the first line of an HTTP request or response and assign the values to the appropriate properties on the <paramref name="message"/>.
+		/// </summary>
+		/// <param name="data">The first line of the HTTP message to be parsed.</param>
+		/// <param name="message">Either a <see cref="System.Net.Http.HttpResponseMessage"/> or <see cref="System.Net.Http.HttpRequestMessage"/> to assign the parsed values to.</param>
+		protected override void ParseStatusLine(string data, HttpRequestMessage message)
+		{
+			if (data == null) throw new ArgumentNullException("data");
+			if (message == null) throw new ArgumentNullException("message");
+
+			var parts = data.Split(' ');
+			if (parts.Length < 3) throw new ArgumentException("Status line is invalid. Insufficient status parts.", "data");
+
+			message.Method = new HttpMethod(parts[0].Trim());
+			Uri requestUri;
+			if (Uri.TryCreate(parts[1].Trim(), UriKind.RelativeOrAbsolute, out requestUri))
+				message.RequestUri = requestUri;
+			else
+				System.Diagnostics.Debug.WriteLine(parts[1]);
+
+			message.Version = ParseHttpVersion(parts[2].Trim());
+		}
+
+		/// <summary>
+		/// Returns a boolean indicating whether the specified HTTP header name represents a content header (true), or a message header (false).
+		/// </summary>
+		/// <param name="headerName">A string containing the name of the header to return the type of.</param>
+		protected override bool IsContentHeader(string headerName)
+		{
+			return ContentHeaderNames.Contains(headerName, StringComparer.OrdinalIgnoreCase);
+		}
+
+		#endregion
+
+	}
+}