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-rw-r--r--OpenSim/Framework/Servers/HttpServer/SynchronousRestObjectRequester.cs95
1 files changed, 95 insertions, 0 deletions
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1/*
2 * Copyright (c) Contributors, http://opensimulator.org/
3 * See CONTRIBUTORS.TXT for a full list of copyright holders.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the OpenSim Project nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28using System;
29using System.IO;
30using System.Net;
31using System.Text;
32using System.Xml;
33using System.Xml.Serialization;
34
35namespace OpenSim.Framework.Servers.HttpServer
36{
37 public class SynchronousRestObjectPoster
38 {
39 /// <summary>
40 /// Perform a synchronous REST request.
41 /// </summary>
42 /// <param name="verb"></param>
43 /// <param name="requestUrl"></param>
44 /// <param name="obj"> </param>
45 /// <returns></returns>
46 ///
47 /// <exception cref="System.Net.WebException">Thrown if we encounter a network issue while posting
48 /// the request. You'll want to make sure you deal with this as they're not uncommon</exception>
49 public static TResponse BeginPostObject<TRequest, TResponse>(string verb, string requestUrl, TRequest obj)
50 {
51 Type type = typeof (TRequest);
52
53 WebRequest request = WebRequest.Create(requestUrl);
54 request.Method = verb;
55
56 if (verb == "POST")
57 {
58 request.ContentType = "text/xml";
59
60 MemoryStream buffer = new MemoryStream();
61
62 XmlWriterSettings settings = new XmlWriterSettings();
63 settings.Encoding = Encoding.UTF8;
64
65 using (XmlWriter writer = XmlWriter.Create(buffer, settings))
66 {
67 XmlSerializer serializer = new XmlSerializer(type);
68 serializer.Serialize(writer, obj);
69 writer.Flush();
70 }
71
72 int length = (int) buffer.Length;
73 request.ContentLength = length;
74
75 Stream requestStream = request.GetRequestStream();
76 requestStream.Write(buffer.ToArray(), 0, length);
77 }
78
79 TResponse deserial = default(TResponse);
80 try
81 {
82 using (WebResponse resp = request.GetResponse())
83 {
84 XmlSerializer deserializer = new XmlSerializer(typeof (TResponse));
85 deserial = (TResponse) deserializer.Deserialize(resp.GetResponseStream());
86 }
87 }
88 catch (System.InvalidOperationException)
89 {
90 // This is what happens when there is invalid XML
91 }
92 return deserial;
93 }
94 }
95}