[Maven] pom.xml 설정

pluginManagement

• 부모 프로젝트의 플러그인 설정 정보를 자식 프로젝트에 공유할 때 사용하는 플러그인 설정
• parent, child 구성의 프로젝트가 아닐 경우 사용할 필요 없음

<!-- 부모 pom.xml 예시 -->
<pluginManagement>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-checkstyle-plugin</artifactId>
            <version>3.0.0</version>
            <configuration>            
                <configLocation>${basedir}/google_checks.xml</configLocation>
            </configuration>
            <dependencies>            
                <dependency>
                    <groupId>com.puppycrawl.tools</groupId>
                    <artifactId>checkstyle</artifactId>
                    <version>8.11</version>
                </dependency>
            </dependencies>
        </plugin>
    </plugins>
</pluginManagement>

<!-- 자식 pom.xml 예시 (이렇게만 정의해서 사용해도 부모 pom.xml의 설정을 따라감) -->
<plugins>
    <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-checkstyle-plugin</artifactId>
    </plugin>
</plugins>

plugins

• 해당 프로젝트에서만 사용하는 플러그인 설정
• pom.xml 예시

<plugins>
    <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-checkstyle-plugin</artifactId>
        <version>3.0.0</version>
        <configuration>            
            <configLocation>${basedir}/google_checks.xml</configLocation>
        </configuration>
        <dependencies>            
            <dependency>
                <groupId>com.puppycrawl.tools</groupId>
                <artifactId>checkstyle</artifactId>
                <version>8.11</version>
            </dependency>
        </dependencies>
    </plugin>
</plugins>

compiler 버전 지정

<properties>
    <java.version>11</java.version>
</properties>

<build>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <configuration>
                <source>${java.version}</source>
                <target>${java.version}</target>
            </configuration>
        </plugin>
    </plugins>
</build>

특정 경로에 WAR 파일 떨구기

• pom.xml

  <build>
      <plugins>
          <plugin>
              <groupId>org.apache.maven.plugins</groupId>
              <artifactId>maven-war-plugin</artifactId>
              <version>2.1.1</version>
              <configuration>
                  <webappDirectory>${deploy.path}</webappDirectory>
              </configuration>
          </plugin>
      </plugins>
  </build>
  

• 실행

  mvn clean compile package -Ddeploy.path="../deploy"
  

main class 지정하기

• pom.xml

  <build>
      <finalName>example</finalName>
      <plugins>
          <plugin>
              <groupId>org.apache.maven.plugins</groupId>
              <artifactId>maven-jar-plugin</artifactId>
              <version>2.3.2</version>
              <configuration>
                  <archive>
                      <manifest>
                          <mainClass>com.example.ExampleApplication</mainClass>
                      </manifest>
                  </archive>
              </configuration>
          </plugin>
      </plugins>
  </build>
  

• 실행

  java -cp example.jar com.example.ExampleApplication
  

  java -jar example.jar
  

dependency 포함하여 패키징하기

pom.xml

<build>
    <plugins>
        <plugin>
            <artifactId>maven-assembly-plugin</artifactId>
            <version>2.6</version>
            <configuration>
                <descriptorRefs>
                    <descriptorRef>jar-with-dependencies</descriptorRef>
                </descriptorRefs>
                <archive>
                    <manifest>
                        <mainClass>com.test.App</mainClass>
                    </manifest>
                </archive>
            </configuration>
            <executions>
                <execution>
                    <id>make-assembly</id>
                    <phase>package</phase>
                    <goals>
                        <goal>single</goal>
                    </goals>
                </execution>
            </executions>
        </plugin>
    </plugins>
</build>

패키징

mvn clean package

실행

java -jar {jar-name}-jar-with-dependencies.jar

원격 서버로 파일 전송

• pom.xml

  <build>
      <plugins>
          <plugin>
              <groupId>org.apache.maven.plugins</groupId>
              <artifactId>maven-antrun-plugin</artifactId>
              <version>1.8</version>
              <executions>
                  <execution>
                      <id>scp-to-remote</id>
                      <phase>package</phase>
                      <goals>
                          <goal>run</goal>
                      </goals>
                      <configuration>
                          <target>
                              <scp localFile="README.txt"
                                      remoteToFile="ubuntu@remote-server.example.com:/home/ubuntu"
                                      trust="true"
                                      verbose="true"
                                      keyfile="./.ssh/id_rsa"
                                      passphrase=""
                              />
                              <sshexec host="remote-server.example.com"
                                          trust="true"
                                          username="ubuntu"
                                          keyfile="./.ssh/id_rsa"
                                          command="cat README.txt"
                              />
                          </target>
                      </configuration>
                  </execution>
              </executions>
              <dependencies>
                  <dependency>
                      <groupId>com.jcraft</groupId>
                      <artifactId>jsch</artifactId>
                      <version>0.1.53</version>
                  </dependency>
                  <dependency>
                      <groupId>ant</groupId>
                      <artifactId>ant-jsch</artifactId>
                      <version>1.6.5</version>
                  </dependency>
              </dependencies>
          </plugin>
      </plugins>
  </build>
  

• 실행

  mvn package