HttpServletRequest request = (HttpServletRequest) pageContext.getRequest();
AbstractBlog abstractBlog = (AbstractBlog) request.getAttribute(Constants.BLOG_KEY);
try {
if (abstractBlog instanceof Blog) {
PageDecoratorContext context = new PageDecoratorContext(request);
Blog blog = (Blog) abstractBlog;
if (PAGE_DECORATOR_HEAD.equals(plugin)) {
for (PageDecorator decorator : blog.getPageDecorators()) {
decorator.decorateHead(pageContext.getOut(), context);
}