static STATUS lookup(int i) {
            STATUS[] values = STATUS.values();
            if (i < 0 || i >= values.length) {
                throw new ArrayIndexOutOfBoundsException(i + " is not acceptable for an array of length " + values.length);
            }
            return STATUS.values()[i];
        }
@return true if this is legacy, otherwise whether or not status == OPERATING.
tika-server/tika-server-core/src/main/java/org/apache/tika/server/core/ServerStatus.java