public static InstalledPackageMetadataCollection LoadFromXml(XmlReader xmlReader)
{
InstalledPackageMetadataCollection installedMetadataCollection = new InstalledPackageMetadataCollection();
while (xmlReader.Read())
{
if (xmlReader.IsStartElement())
{
switch (xmlReader.Name)
{
case "Package": {
// Package metadata is stored as attributes
int id = Convert.ToInt32(xmlReader.GetAttribute("Id"));
string name = xmlReader.GetAttribute("Name");
string hash = xmlReader.GetAttribute("Hash");
long size = Convert.ToInt64(xmlReader.GetAttribute("Size"));
DateTime publishDate = DateTime.FromBinary(Convert.ToInt64(xmlReader.GetAttribute("PublishDate")));
DateTime installDate = DateTime.FromBinary(Convert.ToInt64(xmlReader.GetAttribute("InstallDate")));
// Source is optional. If it is not specified, it will be auto-generated based on conventions
string source = xmlReader.GetAttribute("Source");
IInstalledPackageMetadata packageMetadata = new InstalledPackageMetadata(id, name, hash, size, publishDate, source, installDate);
installedMetadataCollection.Add(id, packageMetadata);
}
break;
}
}
}
return(installedMetadataCollection);
}
public static UpdaterCache InitializeCache(ICacheStorageProvider cacheStorageProvider)
{
IInstalledPackageMetadataCollection installedPackages;
using (XmlReader xmlReader = cacheStorageProvider.OpenInstalledPackageRepository()) {
installedPackages = InstalledPackageMetadataCollection.LoadFromXml(xmlReader);
}
return(new UpdaterCache(cacheStorageProvider, installedPackages));
}