this.artifactThumbnailRepository = artifactThumbnailRepository;
}
@Override
public void handle(HttpServletRequest request, HttpServletResponse response, HandlerChain chain) throws Exception {
User user = getUser(request);
String typeStr = getAttributeString(request, "type");
long scale = getOptionalParameterLong(request, "scale", 1L);
int heading = roundHeadingAngle(getOptionalParameterDouble(request, "heading", 0.0));
boolean selected = getOptionalParameter(request, "selected") != null;