private static Calendar getEndOfYear(Calendar calendar) {

        // Get first day of next year
        Calendar endOfYear = Calendar.getInstance();
        endOfYear.clear();
        endOfYear.set(Calendar.YEAR, calendar.get(Calendar.YEAR) + 1);

        // Transform into the last millisecond of the given year
        endOfYear.add(Calendar.MILLISECOND, -1);

        return endOfYear;

    }
Returns a new calendar representing the last millisecond of the same
year as <code>calendar</code>.

@param calendar
    The calendar defining the year whose end (last millisecond) is to be
    returned.

@return
    A new calendar representing the last millisecond of the same year as
    <code>calendar</code>.
extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/base/ActivityRecordSearchTerm.java