private void ProcessFromFile(HttpContext context, CompositeFileMap map, out string compositeFileName, out byte[] outputBytes)
{
//the saved file's bytes are already compressed.
outputBytes = map.GetCompositeFileBytes();
compositeFileName = map.CompositeFileName;
CompressionType cType = (CompressionType)Enum.Parse(typeof(CompressionType), map.CompressionType);
SetContentEncodingHeaders(context, cType);
}
private void ProcessFromFile(HttpContext context, CompositeFileMap map, out string compositeFileName, out byte[] outputBytes)
{
//the saved file's bytes are already compressed.
outputBytes = map.GetCompositeFileBytes();
compositeFileName = map.CompositeFileName;
CompressionType cType = (CompressionType)Enum.Parse(typeof(CompressionType), map.CompressionType);
SetContentEncodingHeaders(context, cType);
}
void IHttpHandler.ProcessRequest(HttpContext context)
{
HttpResponse response = context.Response;
string fileset = context.Server.UrlDecode(context.Request["s"]);
ClientDependencyType type;
try
{
type = (ClientDependencyType)Enum.Parse(typeof(ClientDependencyType), context.Request["t"], true);
}
catch
{
throw new ArgumentException("Could not parse the type set in the request");
}
if (string.IsNullOrEmpty(fileset))
{
throw new ArgumentException("Must specify a fileset in the request");
}
string compositeFileName = "";
byte[] outputBytes = null;
//get the map to the composite file for this file set, if it exists.
CompositeFileMap map = CompositeFileXmlMapper.Instance.GetCompositeFile(fileset);
if (map != null && map.HasFileBytes)
{
ProcessFromFile(context, map, out compositeFileName, out outputBytes);
}
else
{
bool fromFile = false;
lock (m_Lock)
{
//check again...
if (map == null || !map.HasFileBytes)
{
//need to do the combining, etc... and save the file map
//get the file list
string[] strFiles = DecodeFrom64(fileset).Split(';');
//combine files and get the definition types of them (internal vs external resources)
List <CompositeFileDefinition> fDefs;
byte[] fileBytes = CompositeFileProcessor.CombineFiles(strFiles, context, type, out fDefs);
//compress data
CompressionType cType = GetCompression(context);
outputBytes = CompositeFileProcessor.CompressBytes(cType, fileBytes);
SetContentEncodingHeaders(context, cType);
//save combined file
compositeFileName = CompositeFileProcessor.SaveCompositeFile(outputBytes, type);
if (!string.IsNullOrEmpty(compositeFileName))
{
//Update the XML file map
CompositeFileXmlMapper.Instance.CreateMap(fileset, cType.ToString(),
fDefs
.Where(f => f.IsLocalFile)
.Select(x => new FileInfo(context.Server.MapPath(x.Uri))).ToList(), compositeFileName);
}
}
else
{
//files are there now, process from file.
fromFile = true;
}
}
if (fromFile)
{
ProcessFromFile(context, map, out compositeFileName, out outputBytes);
}
}
SetCaching(context, compositeFileName);
context.Response.ContentType = type == ClientDependencyType.Javascript ? "text/javascript" : "text/css";
context.Response.OutputStream.Write(outputBytes, 0, outputBytes.Length);
}
