public override string ProcessHtml(string htmlToProcess)
{
// Do not process anything if all three flags are set to false
if (!_combineJs && !_combineCss && !_versionOnly)
{
return(htmlToProcess);
}
// Build the doc tree to be manipulated by the filter chain
var doc = new HtmlDocument {
OptionWriteEmptyNodes = true
};
doc.LoadHtml(htmlToProcess);
var filterContext = new CombinerFilterContext
{
Document = doc,
CombineJs = _combineJs,
CombineCss = _combineCss,
MinifyJs = _minifyJs,
MinifyCss = _minifyCss,
VersionOnly = _versionOnly,
JsVersion = _jsVersion,
CssVersion = _cssVersion,
SharedVersion = _sharedVersion,
IeVersion = _ieVersion,
RequestPath = _requestedUrl,
CombinerService = _combinerService,
CombinedResourcesUrl = _combinedResourcesUrl,
PrependCdnHostToImages = _prependCdnHostToImages,
CdnHostToPrepend = _cdnHostToPrepend
};
try
{
// Build the filter chain and pass the doc tree to the individual filters.
// Execute one filter at a time.
// (Interceptor Filter implementation taken from: http://www.eggheadcafe.com/articles/20060609.asp)
PipelineManager <CombinerFilterContext> pp =
PipelineFactory.CreateFromConfiguration <CombinerFilterContext>("JACombinerAndOptimizerGroup/combinerAndVersioningFilters");
pp.ProcessFilter(ref filterContext);
return(filterContext.ParsedHtml);
}
catch (Exception e)
{
_logger.Error("Exception executing the js and css combiner filter chain for page: " + _requestedUrl + ". Exception: " + e.Message);
}
// Return the unmodified html if there was any problems executing the parsing filters!
return(htmlToProcess);
}
