private void doBeforeProcessing(ServletRequest request, ServletResponse response)
            throws IOException, ServletException {
        if (debug) {
            log("filtroAutenticacion:DoBeforeProcessing");
        }

        // Write code here to process the request and/or response before
        // the rest of the filter chain is invoked.
        // For example, a logging filter might log items on the request object,
        // such as the parameters.
	/*
         for (Enumeration en = request.getParameterNames(); en.hasMoreElements(); ) {
         String name = (String)en.nextElement();
         String values[] = request.getParameterValues(name);
         int n = values.length;
         StringBuffer buf = new StringBuffer();
         buf.append(name);
         buf.append("=");
         for(int i=0; i < n; i++) {
         buf.append(values[i]);
         if (i < n-1)
         buf.append(",");
         }
         log(buf.toString());
         }
         */
    }