public static String getSmallLayerIconUrl ( Layer < ? > layer ) { ClientExtraLayerInfo eli = ( ClientExtraLayerInfo ) layer . getLayerInfo ( ) . getWidgetInfo ( ClientExtraLayerInfo . IDENTIFIER ) ; if ( eli != null && eli . getSmallLayerIconUrl ( ) != null && ! "" . equals ( eli . getSmallLayerIconUrl ( ) ) ) { return eli . getSmallLayerIconUrl ( ) ; } else { return null ; } }
Get small layer image URL .