code: @Override
  	protected boolean handleSpecificRequest(String requestedPath, HttpServletRequest request,
  			HttpServletResponse response) throws ServletException, IOException {
  
  		boolean processed = false;
  		// Retrieve the file path
  		if (requestedPath == null) {
  			response.sendError(HttpServletResponse.SC_NOT_FOUND);
  			processed = true;
  		} else {
  			// Check the content type
  			if (getContentType(requestedPath, request) == null) {
  				response.sendError(HttpServletResponse.SC_NOT_FOUND);
  				processed = true;
  			}
  		}
  
  		return processed;
  	}
docs: /*
  (non-Javadoc)
  
  @see
  net.jawr.web.servlet.JawrRequestHandler#handleSpecificRequest(java.lang
  .String, javax.servlet.http.HttpServletRequest,
  javax.servlet.http.HttpServletResponse)