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服务器之家 - 编程语言 - Java教程 - Maven打包并生成运行脚本的示例代码

Maven打包并生成运行脚本的示例代码

2020-07-22 17:51sic777 Java教程

这篇文章主要介绍了Maven打包并生成运行脚本,本文通过实例代码给大家介绍的非常详细,对大家的学习或工作具有一定的参考借鉴价值,需要的朋友可以参考下

1.定义插件

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<properties>
        <maven-jar-plugin.version>2.4</maven-jar-plugin.version>
        <maven-assembly-plugin.version>2.4</maven-assembly-plugin.version>
        <maven-compiler-plugin.version>3.7.0</maven-compiler-plugin.version>
    </properties>
    
<plugins>
  <!-- compiler -->
    <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-compiler-plugin</artifactId>
        <version>${maven-compiler-plugin.version}</version>
        <configuration>
            <source>${java.version}</source>
            <target>${java.version}</target>
            <encoding>${project.build.sourceEncoding}</encoding>
        </configuration>
        <executions>
            <execution>
                <phase>compile</phase>
                <goals>
                    <goal>compile</goal>
                </goals>
            </execution>
        </executions>
    </plugin>
    <!--jar plugin -->
    <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-jar-plugin</artifactId>
        <version>${maven-jar-plugin.version}</version>
        <configuration>
            <archive>
                <addMavenDescriptor>true</addMavenDescriptor>
                <manifest>
                    <addClasspath>true</addClasspath>
                    <!--<mainClass></mainClass>-->
                </manifest>
            </archive>
            <excludes>
                <!--<exclude></exclude>-->
            </excludes>
        </configuration>
    </plugin>
    <!--assembly plugin -->
    <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-assembly-plugin</artifactId>
        <version>${maven-assembly-plugin.version}</version>
        <configuration>
            <descriptors>
                <descriptor>${project.basedir}/../assembly/assembly.xml</descriptor>
            </descriptors>
        </configuration>
        <executions>
            <execution>
                <id>make-assembly</id>
                <phase>package</phase>
                <goals>
                    <goal>single</goal>
                </goals>
            </execution>
        </executions>
    </plugin>
</plugins>

2.assembly配置

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<assembly>
    <id>bin</id>
    <formats>
        <format>tar.gz</format>
    </formats>
 
    <dependencySets>
        <!-- runtime scope jar -->
        <dependencySet>
            <useProjectArtifact>false</useProjectArtifact>
            <outputDirectory>lib</outputDirectory>
            <unpack>false</unpack>
            <scope>runtime</scope>
        </dependencySet>
        <!-- system scope jar -->
        <dependencySet>
            <useProjectArtifact>false</useProjectArtifact>
            <outputDirectory>lib</outputDirectory>
            <unpack>false</unpack>
            <scope>system</scope>
        </dependencySet>
    </dependencySets>
 
    <fileSets>
        <!-- script -->
        <fileSet>
            <directory>${project.basedir}/../scripts</directory>
            <outputDirectory>bin</outputDirectory>
            <fileMode>0644</fileMode>
            <directoryMode>0755</directoryMode>
            <filtered>true</filtered>
        </fileSet>
        <!-- config -->
        <fileSet>
            <directory>${project.basedir}/src/main/resources</directory>
            <outputDirectory>config</outputDirectory>
            <fileMode>0644</fileMode>
            <directoryMode>0755</directoryMode>
            <includes>
                <include>*.xml</include>
                <include>*.json</include>
                <include>*.properties</include>
            </includes>
            <filtered>true</filtered>
        </fileSet>
        <!-- the project jar -->
        <fileSet>
            <directory>${project.build.directory}</directory>
            <outputDirectory>lib</outputDirectory>
            <includes>
                <include>*.jar</include>
            </includes>
        </fileSet>
        <!-- Document -->
        <fileSet>
            <directory>${project.basedir}</directory>
            <outputDirectory>doc</outputDirectory>
            <includes>
                <include>README*</include>
                <include>LICENSE*</include>
                <include>NOTICE*</include>
            </includes>
        </fileSet>
    </fileSets>
</assembly>

3.脚本

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#!/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。

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<plugin>
    <groupId>org.codehaus.mojo</groupId>
    <artifactId>appassembler-maven-plugin</artifactId>
    <version>1.1.1</version>
    <configuration>
      <repositoryLayout>flat</repositoryLayout>
      <repositoryName>lib</repositoryName>
      <configurationSourceDirectory>src/main/resources/conf</configurationSourceDirectory>
      <!-- Set the target configuration directory to be used in the bin scripts -->
      <configurationDirectory>conf</configurationDirectory>
      <!-- Copy the contents from "/src/main/config" to the target configuration
         directory in the assembled application -->
      <copyConfigurationDirectory>true</copyConfigurationDirectory>
      <!-- Include the target configuration directory in the beginning of
         the classpath declaration in the bin scripts -->
      <includeConfigurationDirectoryInClasspath>true</includeConfigurationDirectoryInClasspath>
      <!-- prefix all bin files with "mycompany" -->
      <binPrefix>startup</binPrefix>
      <!-- set alternative assemble directory -->
      <assembleDirectory>${project.build.directory}/server</assembleDirectory>
      <!-- Extra JVM arguments that will be included in the bin scripts -->
      <extraJvmArguments>-Xms768m -Xmx768m -XX:PermSize=128m
        -XX:MaxPermSize=256m -XX:NewSize=192m -XX:MaxNewSize=384m
      </extraJvmArguments>
      <!-- Generate bin scripts for windows and unix pr default -->
      <platforms>
        <platform>windows</platform>
        <platform>unix</platform>
      </platforms>
      <programs>
        <program>
          <mainClass>com.coderli.onecoder.server.HypervisorServer</mainClass>
          <name>startup</name>
        </program>
      </programs>
    </configuration>
</plugin>

然后选择要编译的工程,右键->maven build… 命令如下图:

package appassembler:assemble 

Maven打包并生成运行脚本的示例代码

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

Maven打包并生成运行脚本的示例代码

总结

 

原文链接:https://blog.csdn.net/zzxjan/article/details/81205204

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