private String presentations(SkysailResponse<List<?>> skysailResponse) {
Set<String> mediaTypes = new HashSet<String>();
List<ConverterHelper> registeredConverters = Engine.getInstance().getRegisteredConverters();
for (ConverterHelper ch : registeredConverters) {
List<VariantInfo> variants = ch.getVariants(skysailResponse.getClass());
if (variants == null) {
continue;
}
for (VariantInfo variantInfo : variants) {
mediaTypes.add(variantInfo.getMediaType().getSubType());
}
}
StringBuilder sb = new StringBuilder();
sb.append("<ul>\n");
for (String mediaType : mediaTypes) {
sb.append("<li><a href='?media=").append(mediaType).append("'>");
sb.append(mediaType).append("</a></li>\n");
}
// sb.append("<li><a href='?media=json'>Json</a></li>\n");
sb.append("</ul>\n");
return sb.toString();
}