private BooleanExpression filterInput(String filter, String input){ if(StringUtils.isEmpty(filter) || StringUtils.isEmpty(input)){ return null; } // filter 이름별 조건 설정 if("title".equals(filter)){ return noticeEntity.title.contains(input); }else if("createdUser".equals(filter)){ return noticeEntity.createdBy.in( JPAExpressions .select(adminsEntity.idx) .from(adminsEntity) .where(adminsEntity.name.c..