AccessConstraintExceptionBuffer ceb = new AccessConstraintExceptionBuffer();
Integer protectedContentId = ContentControllerProxy.getController().getProtectedContentId(this.contentVersionVO.getContentId());
logger.info("protectedContentId:" + protectedContentId);
if(protectedContentId != null && !AccessRightController.getController().getIsPrincipalAuthorized(this.getInfoGluePrincipal(), "Content.Write", protectedContentId.toString()))
ceb.add(new AccessConstraintException("Content.contentId", "1001"));
ceb.throwIfNotEmpty();
String attributeValue = "";
if(this.contentVersionVO != null)