shell script to start jetty

jetty

#! /bin/sh

cd `dirname "$0"`

USER=`whoami`

if [ $USER != 'jetty' ]
then
  sudo -u jetty $0 $@ 
  exit $?
fi

case "$1" in
       start)
		if [ -f "./jetty.pid" ]
		then
			echo "Already running"
			exit 1
		fi
                nohup java -XX:MaxDirectMemorySize=1G -Xmx2G -Xms256m -DMBST_PLATFORM=prod -Dserver.port=8080 -jar leaf.jar > log &
                echo $! > ./jetty.pid
                ;;
       stop)
		if [ -f "./jetty.pid" ];
		then
	        	pid=`cat ./jetty.pid`
			kill $pid
			sleep 2
			ps -p $pid > /dev/null
			if [ $? -eq 0 ];
                        then
                                kill -9 $pid
                        fi
			rm ./jetty.pid
		else 
			echo "Process wasn't running"
		fi
              	;;
esac