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Partial update to update mechanism.

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Lorenz Cuno Klopfenstein 2013-12-03 21:28:46 +01:00
parent 2155f81d99
commit b75214d5e4
2 changed files with 22 additions and 12 deletions
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9
OnTopReplica/Update/UpdateInformation.cs
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@ -87,15 +87,6 @@ namespace OnTopReplica.Update {
return info;
}
public static string Serialize(UpdateInformation information) {
var serializer = new XmlSerializer(typeof(UpdateInformation));
var sb = new StringBuilder();
using(var writer = new StringWriter(sb)){
serializer.Serialize(writer, information);
}
return sb.ToString();
}
}
}

25
OnTopReplica/Update/UpdateManager.cs
View file

@ -1,9 +1,12 @@
using System;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Cache;
using System.Text.RegularExpressions;
using System.Windows.Forms;
using System.Xml.Linq;
using WindowsFormsAero.TaskDialog;
namespace OnTopReplica.Update {
@ -31,7 +34,7 @@ namespace OnTopReplica.Update {
#region Checking
const string UpdateManifestUrl = "http://www.klopfenstein.net/public/Uploads/ontopreplica/update.xml";
const string UpdateFeedUrl = "https://ontopreplica.codeplex.com/project/feeds/rss?ProjectRSSFeed=codeplex%3a%2f%2frelease%2fontopreplica";
/// <summary>
/// Gets the latest update information available.
@ -50,7 +53,7 @@ namespace OnTopReplica.Update {
}
//Build web request
_checkRequest = (HttpWebRequest)HttpWebRequest.Create(UpdateManifestUrl);
_checkRequest = (HttpWebRequest)HttpWebRequest.Create(UpdateFeedUrl);
_checkRequest.AllowAutoRedirect = true;
_checkRequest.AutomaticDecompression = DecompressionMethods.Deflate | DecompressionMethods.GZip;
_checkRequest.CachePolicy = new RequestCachePolicy(RequestCacheLevel.BypassCache);
@ -67,7 +70,7 @@ namespace OnTopReplica.Update {
try {
var response = _checkRequest.EndGetResponse(result);
LastInformation = UpdateInformation.Deserialize(response.GetResponseStream());
LastInformation = ParseUpdateCheckResponse(response.GetResponseStream());
OnUpdateCheckSuccess(LastInformation);
}
@ -78,6 +81,22 @@ namespace OnTopReplica.Update {
_checkRequest = null;
}
private Regex _versionExtractor = new Regex(@"^Released: Release (?<version>([0-9]\.){0,3}[0-9]?)", RegexOptions.Compiled | RegexOptions.Singleline);
private UpdateInformation ParseUpdateCheckResponse(Stream stream) {
var xdoc = XDocument.Load(stream);
var releases = from item in xdoc.Descendants("item")
let title = item.Element("title").Value
let match = _versionExtractor.Match(title)
where match.Success
let versionNumber = match.Groups["version"].Value
orderby versionNumber descending
select new { versionNumber, item.Element("link").Value };
return new UpdateInformation();
}
#endregion
#region Eventing