Maven打包并生成运行脚本的示例代码

1.定义插件

		2.4
		2.4
		3.7.0
	
	

  
	
		org.apache.maven.plugins
		maven-compiler-plugin
		${maven-compiler-plugin.version}
		
			${java.version}
			${java.version}
			${project.build.sourceEncoding}
		
		
			
				compile
				
					compile
				
			
		
	
	
	
		org.apache.maven.plugins
		maven-jar-plugin
		${maven-jar-plugin.version}
		
			
				true
				
					true
					
				
			
			
				
			
		
	
	
	
		org.apache.maven.plugins
		maven-assembly-plugin
		${maven-assembly-plugin.version}
		
			
				${project.basedir}/../assembly/assembly.xml
			
		
		
			
				make-assembly
				package
				
					single
				
			
		
	

2.assembly配置

	bin
	
		tar.gz
	

	
		
		
			false
			lib
			false
			runtime
		
		
		
			false
			lib
			false
			system
		
	

	
		
		
			${project.basedir}/../scripts
			bin
			0644
			0755
			true
		
		
		
			${project.basedir}/src/main/resources
			config
			0644
			0755
			
				*.xml
				*.json
				*.properties
			
			true
		
		
		
			${project.build.directory}
			lib
			
				*.jar
			
		
		
		
			${project.basedir}
			doc
			
				README*
				LICENSE*
				NOTICE*
			
		
	

3.脚本

#!/bin/sh
#server id -- change
SERVER_ID=
#java home
JAVA_HOME=
#java command
JAVA_CMD=`which java`
#jvm option
JVM_OPT="-Xmx1024M -Xms512M -server -XX:+PrintGCDetails -XX:+PrintGCDateStamps"
#jar name
JAR=${project.artifactId}-${project.version}.jar
#main class
MAIN_CLASS=${MainClass}
# main class args
ARGS="${StartArgs}"
#environment
ENVIRonMENT=${profiles.environment}

#cd working path
cd_working_path(){
  cd `dirname $0`
  cd ..
}

#jar
jar(){
  WK_PATH=`pwd`
  /usr/bin/nohup ${JAVA_CMD} -Denvironment=${ENVIRONMENT} -Dlog4j.configurationFile=${WK_PATH}/config/log4j2.xml ${JVM_OPT} -cp ${WK_PATH}/lib/${JAR}:${WK_PATH}/lib/* ${MAIN_CLASS} ${ARGS} >/dev/null 2>&1 &
}

#get pid
get_pid(){
  echo `ps -ef | grep ${JAR} | grep server_id=${SERVER_ID} |grep -v 'grep' |awk '{print $2}'`
}

#check
check(){
  #check server id
  if [ ! -n "$SERVER_ID" ];then
    echo "Please set up the server id 'SERVER_ID'"
    exit
  fi
}

#start service
start(){
  #check
  check

  #check pid
  PID=`get_pid`
  if [ -n "$PID" ];then
    echo "Process exists, PID >> "${PID}
    exit
  fi

  #check java
  if [ -n "$JAVA_HOME" ];then
    JAVA_CMD=${JAVA_HOME}/bin/java
  fi

  #start service
  ${JAVA_CMD} -version
  jar

  #check
  if [ $? -ne 0 ];then
      echo "Service startup failed."
      exit
  fi

  #check service
  PID=`get_pid`
  if [ ! -n "$PID" ];then
    echo "Service startup failed."
  else
    echo "Service startup success, Current environment is ${ENVIRONMENT} , PID >> "${PID}
  fi
}

#stop service
stop(){
  #check
  check

  #check pid
  PID=`get_pid`
  if [ ! -n "$PID" ];then
    echo "Process not exists."
  else
   kill ${PID}
   echo "Kill pid >> '$PID'"
    if [ $? -ne 0 ];then
      echo "Service shutdown failed."
      exit
    else
      echo "Service shutdown success."
    fi
  fi
}

#restart service
restart(){
  #stop service
  stop

  COUNT=0
  while true
  do
  PID=`get_pid`
    if [ ! -n "$PID" ];then
      #start service
      start
      break
    else
      let COUNT++
      echo "Restarting..."
if [ ${COUNT} -eq 3 ];then
  echo "Restart error"
  exit
fi
    fi
  sleep 3
  done
}

#check state
state(){
  PID=`get_pid`

  if [ ! -n "$PID" ];then
    echo "Service not exists."
  else
    echo "Service status is normal, PID >> '$PID'"
  fi
}

#main
main(){
  #cd working path
  cd_working_path

  if [ ! -n "$1" ];then
      echo "***********************************************"
      echo "*   start     : Start service     *"
      echo "*   stop     : Stop service      *"
      echo "*   restart    : Restart service    *"
      echo "*   state     : Check service state  *"
      echo "***********************************************"
      read -p "Please choose >> ": CASE
      PARAMETER=${CASE}
  else
    PARAMETER=$1
  fi

  case "$PARAMETER" in
    start)
      start
   ;;
    stop)
      stop
   ;;
    restart)
      restart
   ;;
    state)
      state
   ;;
    *)
      main
  ;;
  esac
}

main $1

PS：下面看下Maven打包生成可运行bat/sh脚本文件

利用Maven的appassembler-maven-plugin插件，就可以实现自动打包可运行的脚本，还可以跨平台。

  　　org.codehaus.mojo
  　　appassembler-maven-plugin
    1.1.1
    
    　　flat
    　　lib
    　　src/main/resources/conf
    　　
      conf
      
      true
      
      true
      
      startup
      
      ${project.build.directory}/server
      
      -Xms768m -Xmx768m -XX:PermSize=128m
      　　-XX:MaxPermSize=256m -XX:NewSize=192m -XX:MaxNewSize=384m
      
      
      
      　　windows
     　　 unix
      
      
      　　
 　　com.coderli.onecoder.server.HypervisorServer
      　　　　startup
 
      
  　　

然后选择要编译的工程，右键->maven build… 命令如下图：

package appassembler:assemble 

然后执行run，一个可执行的脚本文件就生成好了。startup.bat是windows下的，startup.sh是linux下的

总结

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