| public AppendHeader ( string name, string value ) : void | ||
| name | string | |
| value | string | |
| Результат | void | |
public override void Process(HttpListenerRequest request, HttpListenerResponse response)
{
string[] actionPath = request.RawUrl.Split(new[] { '/' }, StringSplitOptions.RemoveEmptyEntries);
string action = actionPath[1].ToLower();
ISongPlayer songPlayer = SongPlayerFactory.GetSongPlayer();
string requester = GetRequester(request);
response.AppendHeader("Cache-Control", "no-cache");
switch (action)
{
case "queue":
switch (request.HttpMethod)
{
case "GET":
response.ContentType = "application/json";
WriteUtf8String(response.OutputStream, JsonConvert.SerializeObject(
new
{
Queue = songPlayer.PlayQueue.ToList(),
PlayerStatus = songPlayer.PlayerStatus,
Self = requester
}
));
break;
case "POST":
if (!ClientAllowed(requester))
return;
using (var reader = new StreamReader(request.InputStream))
{
songPlayer.Enqueue(reader.ReadToEnd(), requester);
}
break;
case "DELETE":
if (!ClientAllowed(requester))
return;
using (var reader = new StreamReader(request.InputStream))
{
songPlayer.Dequeue(reader.ReadToEnd(), requester);
}
break;
}
break;
case "playlist":
{
if (!ClientAllowed(requester))
return;
if (request.HttpMethod == "POST")
{
using (var reader = new StreamReader(request.InputStream))
{
string posted = reader.ReadToEnd();
var playlistRequest = JsonConvert.DeserializeAnonymousType(posted, new { Filter = string.Empty, Page = 0, SortBy = "artist", Ascending = true });
Song[] songs = songPlayer.GetPlayList(
playlistRequest.Filter,
playlistRequest.SortBy,
playlistRequest.Ascending
).ToArray();
response.ContentType = "application/json";
WriteUtf8String(response.OutputStream, JsonConvert.SerializeObject(
new
{
TotalPageCount = (songs.Length + (_pageSize - 1)) / _pageSize,
CurrentPage = playlistRequest.Page,
SongsForCurrentPage = songs.Skip((playlistRequest.Page - 1) * _pageSize).Take(_pageSize).ToArray(),
SortBy = playlistRequest.SortBy,
Ascending = playlistRequest.Ascending
}
));
}
}
break;
}
case "next":
if (!ClientAllowed(requester))
return;
response.ContentType = "application/json";
songPlayer.Next(requester);
break;
case "rescan":
if (!ClientAllowed(requester))
return;
response.ContentType = "application/json";
songPlayer.Rescan();
ImageHelper.Purge();
break;
case "pause":
if (!ClientAllowed(requester))
return;
response.ContentType = "application/json";
songPlayer.Pause();
break;
case "volume":
if (!ClientAllowed(requester))
return;
response.ContentType = "application/json";
if (request.HttpMethod == "POST")
{
using (var reader = new StreamReader(request.InputStream))
{
string posted = reader.ReadToEnd();
int volume;
if (int.TryParse(posted, out volume))
{
songPlayer.Volume = volume;
}
WriteUtf8String(response.OutputStream, JsonConvert.SerializeObject(songPlayer.Volume));
}
}
break;
case "image":
string tempId;
bool large = false;
if (actionPath.Length == 4)
{
tempId = actionPath[2];
if (!string.IsNullOrEmpty(tempId))
{
tempId = WebUtility.HtmlDecode(tempId);
}
if (actionPath[3].Equals("large", StringComparison.OrdinalIgnoreCase))
{
large = true;
}
}
else
{
tempId = string.Empty;
if (actionPath[2].Equals("large", StringComparison.OrdinalIgnoreCase))
{
large = true;
}
}
ImageHelper.HelpMe(response, tempId, songPlayer, large);
break;
default:
response.ContentType = "text/plain";
WriteUtf8String(response.OutputStream, request.RawUrl);
break;
}
}
static bool ServeMvcResponse(HttpListenerResponse httpResponse, HttpResponse mvcResponse)
{
var status = mvcResponse.Status;
httpResponse.StatusCode = status;
httpResponse.ContentType = mvcResponse.ContentType;
httpResponse.RedirectLocation = mvcResponse.RedirectUrl;
// headers
if (mvcResponse.Headers.Count > 0)
{
foreach (var header in mvcResponse.Headers)
{
httpResponse.AppendHeader(header.Key as String, header.Value as String);
}
}
// cookies
var cookies = mvcResponse.Cookies;
if(cookies != null && cookies.Count > 0)
{
foreach (var cookie in cookies.Values)
{
var cookieHeader = GetHeaderValue(cookie);
httpResponse.Headers.Add("Set-Cookie", cookieHeader);
}
}
// body
var body = mvcResponse.Body;
if (body != null)
{
byte[] buffer;
var byteArrayBody = body as byte[];
if (byteArrayBody != null)
{
buffer = byteArrayBody;
}
else
{
// si no son bytes tratarlo siempre como un string.
buffer = Encoding.UTF8.GetBytes(body.ToString());
}
httpResponse.ContentLength64 = buffer.LongLength;
httpResponse.OutputStream.Write(buffer, 0, buffer.Length);
}
return true;
}