private String getAuthor(PageConfig pageConfig) {
   String author = pageConfig.getAuthor();
   if (author == null) {
     author = this.appConfig.getAuthor();
   }
   return author;
 }
 private String getRobots(PageConfig pageConfig) {
   String robots = pageConfig.getRobots();
   if (robots == null) {
     robots = this.appConfig.getRobots();
   }
   return robots;
 }
 private String getTitle(PageConfig pageConfig) {
   return (this.appConfig.getTitlePrefix()
           + " "
           + pageConfig.getTitle()
           + " "
           + this.appConfig.getTitleSuffix())
       .trim();
 }
 private String getKeywords(PageConfig pageConfig) {
   String keywords = pageConfig.getKeywords();
   return keywords;
 }
 private String getDescription(PageConfig pageConfig) {
   String description = pageConfig.getDescription();
   return description;
 }