}
private static void initCommentTypes(){
if(commentTypeMap==null){
commentTypeMap=new Hashtable<String, CommentType>();
CommentTypeManager commentTypeManager=(CommentTypeManager)ModelUtil.getBean("commentTypeManager");
List<CommentType> commentTypes = commentTypeManager.findAll();
if(commentTypes!=null){
for(CommentType commentType:commentTypes){
commentTypeMap.put(commentType.getCommentTypeName(), commentType);
}
}