List<String> getLinkHeaderValues(Object entity, UriInfo uriInfo) {
final List<Object> matchedResources = uriInfo.getMatchedResources();
if (!matchedResources.isEmpty()) {
final Object resource = matchedResources.get(0);
final List<String> headerValues = new ArrayList<String>();
for (LinkHeaderDescriptor desc : instanceDescriptor.getLinkHeaders()) {
if (ELLinkBuilder.evaluateCondition(desc.getCondition(), entity, resource, entity)) {
String headerValue = getLinkHeaderValue(desc, entity, resource, uriInfo);
headerValues.add(headerValue);
}
}
return headerValues;
}
return Collections.emptyList();
}
static String getLinkHeaderValue(
LinkHeaderDescriptor desc, Object entity, Object resource, UriInfo uriInfo) {
URI uri = ELLinkBuilder.buildURI(desc, entity, resource, entity, uriInfo);
InjectLink link = desc.getLinkHeader();
return InjectLink.Util.buildLinkFromUri(uri, link).toString();
}
