public object DeserializeOptimizedData(LoadContext identifier, Type objectType, Stream stream)
{
StreamReader sr = new StreamReader(stream);
PhotoUrls vm = new PhotoUrls(sr.ReadLine());
vm.ThumbnailUrl = sr.ReadLine();
return(vm);
}
public bool SerializeOptimizedData(object value, Stream outputStream)
{
StreamWriter sw = new StreamWriter(outputStream);
PhotoUrls vm = (PhotoUrls)value;
sw.WriteLine(vm.LoadContext.Identity);
sw.WriteLine(vm.ThumbnailUrl);
sw.Flush();
return(true);
}
protected override object DeserializeCore(LoadContext identifier, XElement xml, Type objectType, Stream stream)
{
// <sizes>
//<size label="Square" width="75" height="75"
// source="http://farm2.static.flickr.com/1103/567229075_2cf8456f01_s.jpg"
// url="http://www.flickr.com/photos/stewart/567229075/sizes/sq/"/>
//<size label="Thumbnail" width="100" height="75"
// source="http://farm2.static.flickr.com/1103/567229075_2cf8456f01_t.jpg"
// url="http://www.flickr.com/photos/stewart/567229075/sizes/t/"/>
//<size label="Small" width="240" height="180"
// source="http://farm2.static.flickr.com/1103/567229075_2cf8456f01_m.jpg"
// url="http://www.flickr.com/photos/stewart/567229075/sizes/s/"/>
//<size label="Medium" width="500" height="375"
// source="http://farm2.static.flickr.com/1103/567229075_2cf8456f01.jpg"
// url="http://www.flickr.com/photos/stewart/567229075/sizes/m/"/>
//<size label="Original" width="640" height="480"
// source="http://farm2.static.flickr.com/1103/567229075_6dc09dc6da_o.jpg"
// url="http://www.flickr.com/photos/stewart/567229075/sizes/o/"/>
//</sizes>
var vm = new PhotoUrls((string)identifier.Identity);
foreach (var s in xml.Elements("size"))
{
bool success;
string label = TryGetValue(s, "label", null, out success);
string src = TryGetValue(s, "source", null, out success);
switch (label)
{
case "Thumbnail":
vm.ThumbnailUrl = src;
break;
case "Medium":
case "Medium 500":
case "Medium 640":
vm.MediumUrl = src;
break;
case "Large":
vm.LargeUrl = src;
break;
case "Small":
vm.SmallUrl = src;
break;
}
}
return(vm);
}