/// <summary>
/// Excute the request and response the needes content
/// <para>Save the response in the Output cach for next requests</para>
/// </summary>
/// <param name="context"></param>
/// <param name="absoluteFiles"></param>
/// <param name="minify"></param>
/// <param name="versionHash"></param>
/// <param name="encodingMgr"></param>
public void Excute(HttpContext context, string[] absoluteFiles, Minifier minify, int versionHash, EncodingManager encodingMgr)
{
context.Response.Write(SR.GetString(SR.CREDIT_STRING));
List<string> exsitingFiles = new List<string>();
for (int i = 0; i < absoluteFiles.Length; i++)
{
WriteContent(context, GetFileContent(absoluteFiles[i], minify, exsitingFiles));
}
SetResponseCacheSettings(context, exsitingFiles.ToArray());
if (encodingMgr.IsEncodingEnabled)
{
encodingMgr.CompressResponse();
encodingMgr.SetResponseEncodingType();
}
}
/// <summary>
/// Handles the PostReleaseRequestState event.
/// </summary>
/// <param name="sender">The object that raised the event (HttpApplication)</param>
/// <param name="e">The event data</param>
void OnPostReleaseRequestState(object sender, EventArgs e)
{
HttpApplication app = sender as HttpApplication;
if (app.Context == null)
return;
// This part of the module compress only handlers from type System.Web.UI.Page
// Other types such JavaScript or CSS files will be compressed in an httpHandelr.
// Here we check if the current handler if a Page, if so, we compress it.
if (app.Context.CurrentHandler is System.Web.UI.Page && app.Context.Response != null && Util.IsUIPageContentType(app.Context.Response.ContentType))
{
// Check if the path is not excluded.
if (!settings.IsValidPath(app.Request.AppRelativeCurrentExecutionFilePath))
return;
// Check if the mime type is not ecluded. (Use to exclude pages that generate specific mime type (such image or Excel...))
if (!settings.IsValidType(app.Response.ContentType))
return;
// Because there is a problem with async postbacks compression, we check here if the current request if an 'MS AJAX' call.
// If so, we will not compress it.
if (settings.CompressPage && !(Util.IsMsAjaxRequest(app.Context) && settings.MSAjaxVersion < 3.5))
{
EncodingManager encodingMgr = new EncodingManager(app.Context);
if (encodingMgr.IsEncodingEnabled)
{
encodingMgr.CompressResponse();
encodingMgr.SetResponseEncodingType();
}
}
if (settings.AutoMode)
{
bool processCss = settings.CompressCSS || settings.MinifyContent;
bool processJs = settings.CompressJavaScript || settings.MinifyContent;
app.Response.Filter = new AutoModeFilterStream(app.Response.Filter,app.Response.ContentEncoding, processJs,processCss);
}
}
}
/// <summary>
/// Handles the PreRequestHandlerExecute event.
/// The compression moved to this step to catch Server.Transfer operation
/// </summary>
/// <param name="sender">The object that raised the event (HttpApplication)</param>
/// <param name="e">The event data</param>
void context_PreRequestHandlerExecute(object sender, EventArgs e)
{
HttpApplication app = sender as HttpApplication;
if (app.Context == null || app.Context.Response == null)
return;
// This part of the module compress only handlers from type System.Web.UI.Page
// Other types such JavaScript or CSS files will be compressed in an httpHandelr.
// Here we check if the current handler if a Page handler, if so, we compress it.
if (app.Context.CurrentHandler is System.Web.UI.Page && app.Context.Response != null)
{
// Check if the path is not excluded.
if (!settings.IsValidPath(app.Request.AppRelativeCurrentExecutionFilePath))
return;
if (Util.IsToolkitScriptManagerCombiner(app.Request))
return;
if (settings.CompressPage && !Util.IsContainExcludedParamValue(app.Context) && !(Util.IsMsAjaxRequest(app.Context) && settings.MSAjaxVersion < 3.5))
{
EncodingManager encodingMgr = new EncodingManager(app.Context);
if (encodingMgr.IsEncodingEnabled)
{
// Add preferredEncoding to the context.items for use later in the pipeline
app.Context.Items.Add("preferredEncoding", encodingMgr.PreferredEncoding);
//Add the compression filter
encodingMgr.CompressResponse();
}
}
if (settings.AutoMode && !Util.IsMsAjaxRequest(app.Context))
{
bool processCss = settings.CompressCSS || settings.MinifyContent || settings.CombineCSS;
bool processJs = settings.CompressJavaScript || settings.MinifyContent;
app.Response.Filter = new AutoModeFilterStream(app.Response.Filter, app.Response.ContentEncoding, processJs, processCss, settings.CombineCSS, settings.CombineHeaderScripts);
}
}
}