code: public boolean isReleasedAndNotExpired() {
  
          long requestTime;
          if (m_request == null) {
              requestTime = System.currentTimeMillis();
          } else {
              requestTime = m_request.getRequestTime();
          }
          return m_resource.isReleasedAndNotExpired(requestTime);
      }
docs: Returns <code>true</code> if the stored resource has been released and has not expired.<p>
  
  If no request context is available, the current time is used for the validation check.<p>
  
  @return <code>true</code> if the stored resource has been released and has not expired
  
  @see CmsResource#isReleasedAndNotExpired(long)