[ Maven ] MAVEN 전역 변수 설정

# docker run --rm -it fedora:40 /bin/bash

# yum install -y maven

rm -rf /app/ws/test; cd /app/ws

mvn archetype:generate -DgroupId=com.example -DartifactId=test -DinteractiveMode=false -DoutputDirectory=/app/ws

# test.value 라는 변수명을 생성 및 사용
cat <<'EOF' > /app/ws/test/pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.example</groupId>
  <artifactId>test</artifactId>
  <packaging>jar</packaging>
  <version>1.0-SNAPSHOT</version>
  <name>test</name>
  <url>http://maven.apache.org</url>
  <properties>
	<test.value>19</test.value>
  </properties>
  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>3.8.1</version>
      <scope>test</scope>
    </dependency>
  </dependencies>
  <build>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-compiler-plugin</artifactId>
        <version>3.8.1</version>
        <configuration>
          <source>${test.value}</source>
          <target>${test.value}</target>
        </configuration>
      </plugin>
    </plugins>
  </build>
</project>
EOF

cd /app/ws/test; mvn install

# 빌드된 자바 소스 파일 버전 확인
# major version: 63(Java 19)
javap -v /app/ws/test/target/classes/com/example/App.class | grep major