/// <summary>
/// Loads the feed sources.
/// </summary>
/// <param name="feedSources">The feed sources stream.</param>
public void LoadFeedSources(Stream feedSources)
{
if (feedSources == null)
{
return;
}
try
{
XmlParserContext context =
new XmlParserContext(null, new RssBanditXmlNamespaceResolver(), null, XmlSpace.None);
XmlReader reader = new RssBanditXmlReader(feedSources, XmlNodeType.Document, context);
//convert XML to objects
XmlSerializer serializer =
XmlHelper.SerializerCache.GetSerializer(typeof(SerializableFeedSources));
SerializableFeedSources mySources = (SerializableFeedSources)serializer.Deserialize(reader);
_feedSources.Clear();
lastUsedKey = mySources.LastID;
int maxUsedKey = 0;
foreach (FeedSourceEntry fs in mySources.List)
{
if (maxUsedKey < fs.ID)
{
maxUsedKey = fs.ID;
}
_feedSources.Add(fs.ID, fs);
fs.Source = FeedSource.CreateFeedSource(fs.ID, fs.SourceType,
CreateSubscriptionLocation(fs.ID, fs.SourceType, fs.Properties));
}
if (maxUsedKey > lastUsedKey)
{
lastUsedKey = maxUsedKey;
}
}
catch (Exception e)
{
_log.Error("Error on deserializing feed source", e);
}
}
/// <summary>
/// Saves the feed sources.
/// </summary>
/// <param name="feedSourcesUrl">The feed sources URL.</param>
public void SaveFeedSources(string feedSourcesUrl)
{
var serializer = XmlHelper.SerializerCache.GetSerializer(typeof(SerializableFeedSources));
var sources = new SerializableFeedSources();
sources.LastID = lastUsedKey;
if (_feedSources != null && _feedSources.Count > 0)
{
foreach (var f in _feedSources.Values)
{
sources.List.Add(f);
f.Properties = BuildProperties(f);
}
}
using (var stream = new MemoryStream())
{
serializer.Serialize(stream, sources);
FileHelper.WriteStreamWithBackup(feedSourcesUrl, stream);
}
}