public static List<CombinerModel> AddXMLConfig(string name, string description, string expires, string iNames,
ContentType contentType, bool isCache, bool isMinify,
List<CombinerModel> combinerList, bool isDebug, string version)
{
//if (string.IsNullOrEmpty(version))
//{
// version = DateTime.Now.ToString("yyyyMMddHHmmss");
//}
//string version = DateTime.Now.ToString("yyyyMMddHHmmss");
string url = HttpContext.Current.Request.Url.Host;
if (HttpContext.Current.Request.Url.Port != 80)
{
url = HttpContext.Current.Request.Url.DnsSafeHost;
}
string linkUrl = string.Format(Constnatmanager.Link.CSS, url, name, version);
if (contentType == Enum.ContentType.javascript)
{
linkUrl = string.Format(Constnatmanager.Link.Javascript, url, name, version);
}
CombinerModel newCombiner = new CombinerModel()
{
GUID = Guid.NewGuid().ToString(),
Name = name,
Description = description,
Version = version,
IsCache = isCache,
IsMinify = isMinify,
CreateDate = DateTime.Now,
ContentType = contentType,
LinkUrl = linkUrl,
Expires = expires,
IsDebug = isDebug
};
List<string> itemsNames = string.IsNullOrWhiteSpace(iNames) ? null : iNames.Split('|').ToList();
if (itemsNames != null)
{
List<Item> combinerItemList = new List<Item>();
foreach (var item in itemsNames)
{
Item combinerItem = new Item();
combinerItem.Name = item;
combinerItemList.Add(combinerItem);
}
newCombiner.Items = combinerItemList;
}
combinerList.Add(newCombiner);
return combinerList;
}
private void LoadData()
{
SystemConfigOperation sysConfigOperation = new SystemConfigOperation();
string strFilePath = AppConfigHelper.GetConfigValue(Constnatmanager.Config.XmlConfigFilePath);
IList<CombinerModel> combinerList = sysConfigOperation.ReadData(strFilePath);
if (string.IsNullOrEmpty(guid))
{
combiner = new CombinerModel();
}
else
{
combiner = combinerList.Where(x => x.GUID == guid).FirstOrDefault();
}
}
public static List<CombinerModel> CreateTestData()
{
List<CombinerModel> Resources = new List<CombinerModel>();
CombinerModel model = new CombinerModel();
model.GUID = Guid.NewGuid().ToString();
model.Name = "IndexCss";
model.Description = "首页css样式";
model.IsCache = true;
model.IsMinify = true;
model.Version = "1.0";
model.CreateDate = DateTime.Now;
model.Expires = "3h";
List<Item> items = new List<Item>();
items.Add(new Item() { Name = "~/style/a.css" });
items.Add(new Item() { Name = "http://www.cn100.com/b.css" });
model.Items = items;
Resources.Add(model);
model = new CombinerModel();
model.GUID = Guid.NewGuid().ToString();
model.Name = "IndexJs";
model.Description = "首页Js";
model.IsCache = true;
model.IsMinify = true;
model.Version = "1.0";
model.CreateDate = DateTime.Now;
model.Expires = "4h";
items = new List<Item>();
items.Add(new Item() { Name = "~/Scripts/a.js" });
items.Add(new Item() { Name = "http://www.cn100.com/b.Js" });
model.Items = items;
Resources.Add(model);
return Resources;
}
public static void RemoveCache(CombinerModel item)
{
string key = SystemConfigOperation.GetCacheKey(item.Name, item.Version, item.IsCache);
CacheHelper.Remove(key);
}
public static bool RemoveXMLItem(CombinerModel item, List<CombinerModel> combinerList)
{
return combinerList.Remove(item);
}
private void WriteCacheStatus(HttpResponse response,CombinerModel model,string eTag)
{
SetResponse(response, model, eTag);
response.StatusCode = 304;
response.Flush();
response.End();
}
private void SetResponse(HttpResponse response, CombinerModel model,string eTag)
{
DateTime expireTime = ConvertToDatetime(model.Expires);
response.ContentType = string.Format(Constnatmanager.Link.Type, model.ContentType.ToString());
response.Cache.SetExpires(expireTime);
response.Cache.SetMaxAge(new TimeSpan(expireTime.Ticks));
response.Cache.SetCacheability(HttpCacheability.Public);
response.Cache.SetLastModified(model.CreateDate);
response.Cache.SetETag(eTag);
if (IsAppendCacheExtension)
{
response.Cache.AppendCacheExtension("must-revalidate, proxy-revalidate");
}
}
private void ResponseOperation(HttpResponse response, byte[] bytes, CombinerModel model, bool isCompressed)
{
response.AppendHeader("Content-Length", bytes.Length.ToString());
if (isCompressed)
{
response.AppendHeader("Content-Encoding", "gzip");
}
string eTag = GetETag(bytes, model.GUID);
SetResponse(response,model, eTag);
response.OutputStream.Write(bytes, 0, bytes.Length);
response.Flush();
}
/// <summary>
/// file process, include gzip and minify function
/// </summary>
/// <param name="rootPath"></param>
/// <param name="model"></param>
/// <param name="isCompressed"></param>
/// <param name="isDebug"></param>
/// <returns></returns>
private byte[] FilesProcess(string rootPath, CombinerModel model, bool isCompressed, bool isDebug)
{
string[] fileNames = model.Items.Select(i => i.Name).ToArray();
string[] arrContent =new string[fileNames.Length];
ContentType contentType = model.ContentType;
int index=0;
foreach (string fileName in fileNames)
{
string name = fileName.Trim();
string strContent = this.ReadFileContent(rootPath, name);
if (contentType == ContentType.javascript && strContent.LastIndexOf(";")+1!=strContent.Length)
{
strContent += ";";
}
arrContent[index]=strContent;
index++;
}
string content = string.Join("", arrContent);
byte[] bytes = Encoding.UTF8.GetBytes(content);
if (!isDebug && model.IsMinify)
{
StringBuilder contentBuilder = new StringBuilder();
for (int i = 0; i < arrContent.Length; i++)
{
contentBuilder.Append(HttpHelper.MinifiContentToString(arrContent[i], model.ContentType));
}
bytes = Encoding.UTF8.GetBytes(contentBuilder.ToString());
}
if (isCompressed)
{
bytes = CompressBytes(bytes);
}
return bytes;
}
/// <summary>
/// 1, file process
/// 2. write cache
/// </summary>
/// <param name="context"></param>
/// <param name="rootPath"></param>
/// <param name="model"></param>
/// <param name="isCompressed"></param>
/// <param name="cacheID"></param>
/// <returns></returns>
private byte[] DataProcess(HttpContext context, string rootPath, CombinerModel model,bool isCompressed, string cacheID)
{
byte[] bytes = readCache(cacheID);
if (bytes == null || bytes.Length == 0)
{
CacheHelper.Remove(model.GUID);
bytes = FilesProcess(rootPath, model, isCompressed, model.IsDebug);
if (model.IsCache)
{
CacheHelper.WriteData(cacheID, bytes, CACHE_DURATION);
}
}
else
{
string eTag = GetETag(bytes, model.GUID);
if (IsCached(context.Request, eTag))
{
WriteCacheStatus(context.Response, model, eTag);
}
return bytes;
}
return bytes;
}
