QueryThenGet.java

private boolean isPossibleDuplicate(final Message message)
{
    try
    {
        return message.getHeader().isSetField(PossDupFlag.FIELD) && message.getHeader().getBoolean(PossDupFlag.FIELD);
    }
    catch (final FieldNotFound x)
    {
        // should never happen, but we still need to return something
        return false;
    }
}