debian service Script for jars

myService.sh

#!/bin/sh
# kFreeBSD do not accept scripts as interpreters, using #!/bin/sh and sourcing.
if [ true != "$INIT_D_SCRIPT_SOURCED" ] ; then
    set "$0" "$@"; INIT_D_SCRIPT_SOURCED=true . /lib/init/init-d-script
fi
### BEGIN INIT INFO
# Provides:          MyApp
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Service that runs MyApp on startup
# Description:       This Files starts the MyApp Programm.
### END INIT INFO

# Author: Sythelux Rikd <[email protected]>

NAME=MyApp#toChange
APP_ROOT="/path/to/$NAME" #toChange
DESC="service that runs $NAME on startup"
PIDFILE=/var/run/${NAME}.pid
EXECUTABLE=/usr/bin/java
ARGUMENTS="-jar -Djava.library.path=$APP_ROOT/natives/ $APP_ROOT/$NAME.jar"

usage() {
    echo "service `basename "$0"` {start|stop|restart|status}"
    return 0
}

start(){
	${APP_ROOT}/scripts/recreateFiles
	start-stop-daemon --pidfile $PIDFILE --make-pidfile --background --chdir $APP_ROOT --startas $EXECUTABLE --start -- $ARGUMENTS
	retVal=$?
	echo "Starting "${NAME}" "${retVal}
    return ${retVal}
}

stop(){
	start-stop-daemon --pidfile /var/run/${NAME}.pid --stop
	python ${APP_ROOT}/scripts/resetLEDs.py
	retVal=$?
	echo "Stopping "${NAME}" "${retVal}
	rm /var/run/${NAME}.pid
    return ${retVal}
}

restart(){
	stop
	start
}

status(){
	start-stop-daemon --pidfile /var/run/${NAME}.pid --status
	retVal=$?
	case ${retVal} in
		0) echo "App ${NAME} running"
	        ;;
		1) echo "App ${NAME} not running, but found pid."
            ;;
		2) echo "App ${NAME} not running"
            ;;
		3) echo "App ${NAME} state unknown"
            ;;
	esac
    return ${retVal}
}

case $1 in
    restart) restart
        ;;
    start) start
        ;;
    stop) stop
        ;;
    status) status
        ;;
    *) usage
        ;;
esac
exit $?