How to convert an existing Java application to a SYS V service (daemon)

$ ./yourprogram &
$ echo $! > /var/run/yourpid

#!/bin/bash
# processname: yourprogram
# pidfile: /var/run/yourpid

case $1 in
start)
        sh /some/where/start.sh
        ;;
stop)
        sh /some/where/stop.sh
        ;;
restart)
        sh /some/where/stop.sh
        sh /some/where/start.sh
        ;;
esac
exit 0