trainEncodeURL(rc, "/context/asset_fr.png", "/context/asset_fr.png?encoded");
replayControls();
ContextAssetFactory factory = new ContextAssetFactory();
factory.setLocalizer(new DefaultResourceLocalizer());
factory.setContextPath("/context");
factory.setWebContext(context);
factory.setRequestCycle(rc);
String assetUrl = factory.createAbsoluteAsset("/asset.png", Locale.FRENCH, l).buildURL();