private void WriteResponse(BundleResource bundleResource, AsyncBundlingRequestState asyncState)
{
string content = TransformContent(bundleResource, asyncState.Context);
asyncState.ResourceData.Append(content).Append(Environment.NewLine);
asyncState.Context.Response.Write(content);
asyncState.Context.Response.Write(Environment.NewLine);
}
private string TransformContent(BundleResource bundleResource, HttpContext context)
{
var bundleType = bundleResource.Type;
var content = bundleResource.Content;
var serverpath = bundleResource.ServerPath;
try
{
if (bundleType == BundleResourceType.EmbeddedScript || bundleType == BundleResourceType.ScriptFile)
{
var compressor = new JavaScriptCompressor
{
CompressionType = CompressionType.Standard,
Encoding = Encoding.UTF8,
ObfuscateJavascript = bundleResource.ObfuscateJs
};
//Minimize
var contentOut = compressor.Compress(content.Trim()) + ";";
//Return deffered execution
if (ClientSettings.IsJavascriptDefferingEnabled)
{
return(string.Format(ClientSettings.JavascriptDefferingScript,
JsonConvert.SerializeObject(contentOut)));
}
return(contentOut);
}
if (!string.IsNullOrEmpty(serverpath))
{
string directoryName = Path.GetDirectoryName(serverpath);
if (directoryName != null)
{
serverpath = directoryName.Replace('\\', '/');
}
}
if (bundleType == BundleResourceType.EmbeddedStyle || bundleType == BundleResourceType.StyleFile)
{
var compressor = new CssCompressor
{
CompressionType = CompressionType.Standard,
RemoveComments = true
};
return(ReplaceUrls(compressor.Compress(content), serverpath, context));
}
if (bundleType == BundleResourceType.LessFile)
{
DotlessConfiguration cfg = DotlessConfiguration.GetDefaultWeb();
cfg.Web = true;
cfg.MinifyOutput = true;
cfg.MapPathsToWeb = true;
cfg.CacheEnabled = false;
//Prefilter
content = ReplaceImportRegex.Replace(content, match => ReplaceImports(match, serverpath));
string processed = ReplaceUrls(LessWeb.Parse(content, cfg), serverpath, context);
return(processed);
}
}
catch (EcmaScript.NET.EcmaScriptException e)
{
_log.ErrorFormat("EcmaScriptException: {0} in {1} at {2} ({3}, {4}) at ", e.Message, serverpath, e.LineSource, e.LineNumber, e.ColumnNumber, e.ScriptStackTrace);
}
catch (Exception e)
{
_log.Error(e);
}
return(content);
}
private void ProcessItem(BundleResource resource, AsyncBundlingRequestState asyncState)
{
if (resource == BundleResource.Empty)
{
return;
}
if (resource.Type == BundleResourceType.EmbeddedScript || resource.Type == BundleResourceType.EmbeddedStyle)
{
resource.ServerPath = null;
WriteResponse(resource, asyncState);
ProcessItem(GetNextResource(asyncState), asyncState);
}
else if (resource.Type == BundleResourceType.ClientScript)
{
try
{
var handler = ClientScriptBundle.GetHttpHandler(resource.ServerPath.Split('/').Last().Split('.').First());
var content = handler.GetData(asyncState.Context);
asyncState.ResourceData.Append(content).Append(Environment.NewLine);
asyncState.Context.Response.Write(content);
asyncState.Context.Response.Write(Environment.NewLine);
ProcessItem(GetNextResource(asyncState), asyncState);
}
catch (Exception e)
{
_log.Error("ClientScriptError", e);
}
}
else
{
//If it's file begin read and go to IOCP thread
if (File.Exists(resource.Content))
{
FileStream file = File.Open(resource.Content, FileMode.Open, FileAccess.Read, FileShare.Read);
var buffer = new byte[file.Length];
file.BeginRead(buffer, 0, (int)file.Length, result =>
{
try
{
int readed = file.EndRead(result);
var asyncObject =
result.AsyncState as
AsyncBundlingRequestState;
HttpContext.Current = asyncState.Context;
resource.Content =
Encoding.UTF8.GetString(buffer, 0,
readed);
WriteResponse(resource, asyncState);
ProcessItem(GetNextResource(asyncObject),
asyncObject);
}
catch (Exception e)
{
_log.Error(
string.Format(
"Error while processing file:{0}",
resource.Content), e);
}
finally
{
//We got wht we need in buffer. close stream
file.Close();
file.Dispose();
}
}, asyncState);
}
}
}
