static void Main()
{
var repository = WebPageRepository.GetWebPageRepository();
var downloader = new Downloader();
while (!repository.IsEmpty)
{
var url = repository.Remove();
downloader.Download(url, GenerateFileNameFromUrl(url));
}
}
public static WebPageRepository GetWebPageRepository()
{
if (instance == null)
{
lock (syncLock)
{
if (instance == null)
{
instance = new WebPageRepository();
}
}
}
return instance;
}
public static WebPageRepository GetWebPageRepository()
{
if (instance == null)
{
lock (syncLock)
{
if (instance == null)
{
instance = new WebPageRepository();
}
}
}
return(instance);
}