code: private StyleFilter findStyleFilter(Object feature, List<StyleFilter> styles) {
  		for (StyleFilter styleFilter : styles) {
  			if (styleFilter.getFilter().evaluate(feature)) {
  				return styleFilter;
  			}
  		}
  		return new StyleFilterImpl();
  	}
docs: Find the style filter that must be applied to this feature.
  
  @param feature
  feature to find the style for
  @param styles
  style filters to select from
  @return a style filter