[Wicket-develop] post processing output (some kind of filter)

[Johan Compagner]

What i want is put some performance statistics in the page. (how long it did take to render on the client and server side)
This means just a few lines of _javascript_ one in the head and one at the end of the file.

I don't want to specify this _javascript_ for all the html files (maybe i want to turn it off)

The first thought it it is simple just override:
   WebApplication.WebResponse newWebResponse(final HttpServletResponse servletResponse)
    {
        return (getSettings().getBufferResponse()
                ? new BufferedWebResponse(servletResponse)
                : new WebResponse(servletResponse));
    }

and return youre own version of the bufferedWebResponse that does some parsing when close is called on it.

This would work only that inside wicket we have the special REDIRECT_TO_BUFFER and this makes
it own BufferedResponse where everything is streamed to. And the buffered web response above is only used for the redirect url.

Now i am thinking of change the 2 close() methods of the 2 Buffered(Web)Response classes that they call a postProcessor with there buffer
Like this:

public final void close()
    {
        if (stringBuffer == null)
        {
            throw new WicketRuntimeException("The response has already been closed.");
        }

        super.close();

        stringBuffer = application.getPostProcessor().process(stringBuffer); <<<<<<<<<<<<<

        this.byteBuffer = convertToCharset(getCharacterEncoding());
        this.stringBuffer = null;
    }



Or we could make a  WebApplication.newBufferedREsponse() (like newWebResponse())

Currently it is just a bit strange that you can overwrite youre own WebResponse but for the most part of wicket
that one won't be used for anything except sending a client side redirect.

anybody a better idea?

johan