notification-portlet-webapp/src/main/java/org/jasig/portlet/notice/service/ssp/SSPToken.java
public boolean hasExpired() {
        long now = System.currentTimeMillis();
        if (created + (expiresIn * 1000) + TIMEOUT_BUFFER > now) {
            return false;
        }

        return true;
    }
public boolean hasExpired() {
        long now = System.currentTimeMillis();
        if (created + (expiresIn * 1000) + TIMEOUT_BUFFER > now) {
            return false;
        }

        return true;
    }
Helper method to determine if an SSPToken has expired.