public void Clean(IList <string> rootDirectories)
{
if (this.IsCleaningOverdue())
{
lock (CobaltStoreCleaner.syncObject)
{
if (this.IsCleaningOverdue())
{
SimulatedWebRequestContext.ExecuteWithoutUserContext("WAC.CleanCobaltStore", delegate(RequestDetailsLogger logger)
{
WacUtilities.SetEventId(logger, "WAC.CleanCobaltStore");
foreach (string text in rootDirectories)
{
CobaltStoreCleaner.ValidatePath(text);
try
{
this.CleanRootDirectory(text);
}
catch (DirectoryNotFoundException)
{
}
}
});
}
}
}
}
private void CleanCobaltStoreDirectory(string cobaltStoreDirectory)
{
ExDateTime oldestFileTime = this.GetOldestFileTime(cobaltStoreDirectory);
ExDateTime t = ExDateTime.UtcNow.Subtract(this.expirationTime);
if (oldestFileTime < t)
{
CobaltStoreCleaner.ValidatePath(cobaltStoreDirectory);
try
{
Directory.Delete(cobaltStoreDirectory, true);
}
catch (IOException)
{
}
}
}