100 lines
3.1 KiB
C#
100 lines
3.1 KiB
C#
//
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// PostJson.cs
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//
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// Author:
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// Paul Schneider <paulschneider@free.fr>
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//
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// Copyright (c) 2015 Paul Schneider
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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using System.Net;
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using System.IO;
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using System.Threading.Tasks;
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using Newtonsoft.Json;
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using System;
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using System.Json;
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namespace Yavsc.Helpers
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{
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/// <summary>
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/// Simple json post method.
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/// </summary>
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public class SimpleJsonPostMethod : IDisposable
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{
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private HttpWebRequest request=null;
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/// <summary>
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/// Initializes a new instance of the Yavsc.Helpers.SimpleJsonPostMethod class.
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/// </summary>
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/// <param name="pathToMethod">Path to method.</param>
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public SimpleJsonPostMethod (string pathToMethod, string authorizationHeader = null, string method = "POST")
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{
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request = (HttpWebRequest) WebRequest.Create (pathToMethod);
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request.Method = method;
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request.Accept = "application/json";
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request.ContentType = "application/json";
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request.SendChunked = true;
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request.TransferEncoding = "UTF-8";
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if (authorizationHeader!=null)
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request.Headers["Authorization"]=authorizationHeader;
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}
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public void Dispose()
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{
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request.Abort();
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}
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/// <summary>
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/// Invoke the specified query.
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/// </summary>
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/// <param name="query">Query.</param>
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public async Task<TAnswer> Invoke<TAnswer>(object query)
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{
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using (Stream streamQuery = await request.GetRequestStreamAsync()) {
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using (StreamWriter writer = new StreamWriter(streamQuery)) {
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writer.Write (JsonConvert.SerializeObject(query));
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}}
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TAnswer ans = default (TAnswer);
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using (WebResponse response = await request.GetResponseAsync ()) {
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using (Stream responseStream = response.GetResponseStream ()) {
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using (StreamReader rdr = new StreamReader (responseStream)) {
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ans = (TAnswer) JsonConvert.DeserializeObject<TAnswer> (rdr.ReadToEnd ());
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}
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}
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response.Close();
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}
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return ans;
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}
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public async Task<JsonValue> InvokeJson(object query)
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{
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JsonValue jsonDoc=null;
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using (Stream streamQuery = request.GetRequestStream()) {
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using (StreamWriter writer = new StreamWriter(streamQuery)) {
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writer.Write (JsonConvert.SerializeObject(query));
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}}
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using (WebResponse response = request.GetResponse ()) {
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using (Stream stream = response.GetResponseStream ()) {
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if (stream.Length>0)
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jsonDoc = await Task.Run (() => JsonObject.Load (stream));
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}
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response.Close();
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}
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return jsonDoc;
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}
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}
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}
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