checkProvided("sortLabel", "smssvc.labelMustBeProvided");
check(blogId != null, "blogId", "smssvc.blogMustBeProvided");
// Validate template-placeholders
TemplateEngine templateEngine = new TemplateEngine();
check(templateEngine.validateBlogTemplate(getTitle()), "title", "smssvc.illegalPlaceholdersFound");
check(templateEngine.validateBlogTemplate(getContent()), "content", "smssvc.illegalPlaceholdersFound");
Long minImageWidth = checkLong("maxImageWidth", "smssvc.invalidIntegerValue");
if(minImageWidth != null){
check(minImageWidth > 0, "maxImageWidth", "smssvc.invalidValue");