websocket-sharp/websocket-sharp/HandshakeBase.cs
2014-01-15 17:36:23 +09:00

137 lines
3.2 KiB
C#

#region License
/*
* HandshakeBase.cs
*
* The MIT License
*
* Copyright (c) 2012-2014 sta.blockhead
*
* 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.
*/
#endregion
using System;
using System.Collections.Specialized;
using System.Text;
using WebSocketSharp.Net;
namespace WebSocketSharp
{
internal abstract class HandshakeBase
{
#region Private Fields
private byte [] _entity;
private NameValueCollection _headers;
private Version _version;
#endregion
#region Protected Const Fields
protected const string CrLf = "\r\n";
#endregion
#region Protected Constructors
protected HandshakeBase ()
{
}
#endregion
#region Internal Properties
internal byte [] EntityBodyData {
get {
return _entity;
}
set {
_entity = value;
}
}
#endregion
#region Public Properties
public string EntityBody {
get {
return _entity != null && _entity.LongLength > 0
? getEncoding (_headers ["Content-Type"]).GetString (_entity)
: String.Empty;
}
}
public NameValueCollection Headers {
get {
return _headers ?? (_headers = new NameValueCollection ());
}
protected set {
_headers = value;
}
}
public Version ProtocolVersion {
get {
return _version ?? (_version = HttpVersion.Version11);
}
protected set {
_version = value;
}
}
#endregion
#region Private Methods
private static Encoding getEncoding (string contentType)
{
if (contentType == null || contentType.Length == 0)
return Encoding.UTF8;
var i = contentType.IndexOf ("charset=", StringComparison.Ordinal);
if (i == -1)
return Encoding.UTF8;
var charset = contentType.Substring (i + 8);
i = charset.IndexOf (';');
if (i != -1)
charset = charset.Substring (0, i);
return Encoding.GetEncoding (charset);
}
#endregion
#region Public Methods
public byte [] ToByteArray ()
{
return Encoding.UTF8.GetBytes (ToString ());
}
#endregion
}
}