#!/usr/bin/env bash

current_dir=$(cd "$(dirname "$0")"; pwd)

cd $current_dir

HOME=$current_dir

#JAVA_HOME=/opt/jdk1.7.0_07
MAINCLASS="org.eclipse.jetty.start.Main"
LIB_DIR="lib"
CLASS_DIR="start.jar"
JVM_ARGS="-Djetty.port=6220 -Dsolr.solr.home=solr -Dorg.eclipse.jetty.util.URI.charset=UTF-8"
PRO_ARGS=""
PROGRAM_NAME=solr

PID_DIR="$HOME/start.d"
jcommand="java"

runtype="-classpath"
APPEND_LIB=$HOME"/"$CLASS_DIR
PID_NAME=$PROGRAM_NAME".pid"
pid=$PID_DIR/$PID_NAME

echo "CURRENT_DIR="$HOME

#注意这个字符,不是',是`,数字键左边的那个键
filelist=`ls $HOME"/"$LIB_DIR`
for f in $filelist
  do
    name=$HOME"/"$LIB_DIR"/"$f
    APPEND_LIB=$APPEND_LIB:$name
  done

case $1 in
    'start' )
        mkdir -p "$PID_DIR"

        if [ -f "$pid" ]; then
            echo $pid existsed, pid: `cat $pid`
            if kill -0 `cat "$pid"` > /dev/null 2>&1; then
                echo $PROGRAM_NAME running as process `cat $pid`.  Stop it first.
                exit 1
            fi
        fi

        echo -n 'Starting : '
        if $jcommand $JVM_ARGS $runtype $APPEND_LIB $MAINCLASS $PRO_ARGS > /dev/null 2>&1 &
        then
            echo $! > "$pid"
            echo 'OK'
        else
            echo 'Failed'
        fi
        ;;

    'run' )
        $jcommand $JVM_ARGS $runtype $APPEND_LIB $MAINCLASS $PRO_ARGS
        ;;

    'classpath' )
        echo $jcommand $JVM_ARGS $runtype $APPEND_LIB $MAINCLASS $PRO_ARGS
        ;;

    'stop' )
        if [ -f "$pid" ]; then
          if kill `cat  "$pid"` > /dev/null 2>&1; then
            echo stopping $PROGRAM_NAME
            kill `cat "$pid"`
            rm $pid
          else
            echo No $PROGRAM_NAME to stop
          fi
        else
          echo No $PROGRAM_NAME to stop
        fi
        ;;

    'list' )
        ps aux | egrep '(PID|java|$PROGRAM_NAME)'
        ;;
     *)
echo 'usage: `basename $0` {start|run|stop|list}'
esac