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- /*
- * Copyright (c) Contributors, http://opensimulator.org/
- * See CONTRIBUTORS.TXT for a full list of copyright holders.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * * Neither the name of the OpenSimulator Project nor the
- * names of its contributors may be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- using System;
- using System.IO;
- using System.Net;
- using System.Text;
- using System.Xml;
- using System.Xml.Serialization;
- namespace OpenSim.Framework.Servers.HttpServer
- {
- public delegate void ReturnResponse<T>(T reponse);
- /// <summary>
- /// Makes an asynchronous REST request with a callback to invoke with the response.
- /// </summary>
- public class RestObjectPosterResponse<TResponse>
- {
- // private static readonly log4net.ILog m_log
- // = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
- public ReturnResponse<TResponse> ResponseCallback;
- public void BeginPostObject<TRequest>(string requestUrl, TRequest obj)
- {
- BeginPostObject("POST", requestUrl, obj);
- }
- public void BeginPostObject<TRequest>(string verb, string requestUrl, TRequest obj)
- {
- Type type = typeof (TRequest);
- WebRequest request = WebRequest.Create(requestUrl);
- request.Method = verb;
- request.ContentType = "text/xml";
- request.Timeout = 10000;
- MemoryStream buffer = new MemoryStream();
- XmlWriterSettings settings = new XmlWriterSettings();
- settings.Encoding = Encoding.UTF8;
- using (XmlWriter writer = XmlWriter.Create(buffer, settings))
- {
- XmlSerializer serializer = new XmlSerializer(type);
- serializer.Serialize(writer, obj);
- writer.Flush();
- }
- int length = (int) buffer.Length;
- request.ContentLength = length;
- Stream requestStream = request.GetRequestStream();
- requestStream.Write(buffer.ToArray(), 0, length);
- requestStream.Close();
- // IAsyncResult result = request.BeginGetResponse(AsyncCallback, request);
- request.BeginGetResponse(AsyncCallback, request);
- }
- private void AsyncCallback(IAsyncResult result)
- {
- WebRequest request = (WebRequest) result.AsyncState;
- using (WebResponse resp = request.EndGetResponse(result))
- {
- TResponse deserial;
- XmlSerializer deserializer = new XmlSerializer(typeof (TResponse));
- Stream stream = resp.GetResponseStream();
- // This is currently a bad debug stanza since it gobbles us the response...
- // StreamReader reader = new StreamReader(stream);
- // m_log.DebugFormat("[REST OBJECT POSTER RESPONSE]: Received {0}", reader.ReadToEnd());
- deserial = (TResponse) deserializer.Deserialize(stream);
- if (deserial != null && ResponseCallback != null)
- {
- ResponseCallback(deserial);
- }
- }
- }
- }
- }
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