public virtual IServerCache Create(WebPageContext context)
{
var value = context.GetConfigValue <string>("Page", "ServerCache", string.Empty).ToLower();
if (!string.IsNullOrEmpty(value))
{
switch (value)
{
case "forever": return(ForeverServerCache.Instance);
case "delay": return(DelayServerCache.Instance);
default: return(NonServerCache.Instance);
}
}
//通过后缀名获取
IServerCache cache = null;
if (_caches.TryGetValue(context.PathExtension, out cache))
{
return(cache);
}
return(NonServerCache.Instance);
}
public virtual ICacheStorage CreateStorage(WebPageContext context)
{
var value = context.GetConfigValue <string>("Page", "CacheStorage", string.Empty).ToLower();
if (!string.IsNullOrEmpty(value))
{
return(CacheStorageFactory.Create(value)); //通过存储器名称获取
}
//通过后缀名获取
ICacheStorage storage = null;
if (_storages.TryGetValue(context.PathExtension, out storage))
{
return(storage);
}
return(StorageEmpty.Instance);
}
public ICompressor Create(WebPageContext context)
{
var value = context.GetConfigValue <string>("Page", "compressor", string.Empty).ToLower();
if (!string.IsNullOrEmpty(value))
{
switch (value)
{
case "gzip": return(HttpCompressor.Instance);
default: return(NonCompressor.Instance);
}
}
//如果没有页面级配置，那么根据扩展名查看配置
ICompressor compressor = null;
if (_compressors.TryGetValue(context.PathExtension, out compressor))
{
return(compressor);
}
return(NonCompressor.Instance);
}
private int GetCacheMinutes(WebPageContext context)
{
return(context.GetConfigValue <int>("Page", "delay", 0));
}
