if (baseContextPath.isEmpty()) {
StringAttributeMap params = ApplicationContext.getInstance().getConfiguration().getCatalogConfiguration().getParameters();
baseContextPath = Val.chkStr(params.getValue("reverseProxy.baseContextPath"));;
}
FeedLinkBuilder linkBuilder = new FeedLinkBuilder(context, baseContextPath, msgBroker);
DcatCache cache = DcatCache.getInstance();
OutputStream cacheStream = null;
PrintWriter writer = null;