pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<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/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <!-- Project coordinates (GAV) - uniquely identifies this project -->
  <groupId>fr.univtln.bruno.samples.network</groupId>  <!-- Organization's reversed domain name -->
  <artifactId>tcpclientserver</artifactId>             <!-- Project name -->
  <version>0.0.1-SNAPSHOT</version>                    <!-- Version with SNAPSHOT indicating in development -->
  <packaging>pom</packaging>                           <!-- POM packaging for parent/multi-module projects -->

  <!-- Basic project information -->
  <name>tcpclientserver</name>
  <url>https://github.com/yourusername/tcpclientserver</url>
  <!-- Sub-modules of this multi-module project -->
  <modules>
    <module>client</module>    <!-- Client application module -->
    <module>server</module>    <!-- Server application module -->
  </modules>
  <description>A TCP client-server sample application</description>

  <!-- Properties: Central place for version numbers and configuration values -->
  <properties>
    <!-- Build Properties: Character encoding for source and reporting -->
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>

    <!-- Java Version Configuration -->
    <java.version>21</java.version>                    <!-- Using Java 21 (LTS) -->
    <maven.compiler.source>${java.version}</maven.compiler.source>
    <maven.compiler.target>${java.version}</maven.compiler.target>
    <maven.compiler.release>${java.version}</maven.compiler.release>

    <!-- Dependency Versions: Third-party libraries -->
    <junit.version>5.12.0</junit.version>              <!-- Testing framework -->
    <logback.version>1.5.16</logback.version>         <!-- Logging implementation -->
    <sl4j.version>2.0.16</sl4j.version>               <!-- Logging facade -->
    <lombok.version>1.18.36</lombok.version>           <!-- Boilerplate code reduction -->

    <!-- Plugin Versions -->
    <maven.compiler.version>3.14.0</maven.compiler.version>
    <maven.surefire.version>3.5.2</maven.surefire.version>
    <versions.maven.version>2.18.0</versions.maven.version>
    <maven.jlink.plugin.version>3.2.0</maven.jlink.plugin.version>
    <mavenjigsaw.version>1.1.3</mavenjigsaw.version>
    <maven.dependency.version>3.4.0</maven.dependency.version>
    <maven.clean.version>3.4.1</maven.clean.version>
    <maven.resources.version>3.3.1</maven.resources.version>
    <maven.jar.version>3.4.2</maven.jar.version>
    <maven.install.version>3.1.3</maven.install.version>
    <maven.deploy.version>3.1.3</maven.deploy.version>
    <maven.site.version>3.21.0</maven.site.version>
  </properties>

  <!-- Dependencies shared by all modules -->
  <dependencies>
    <!-- Logging: SLF4J API + Logback Implementation -->
    <dependency>
      <groupId>org.slf4j</groupId>
      <artifactId>slf4j-api</artifactId>
      <version>${sl4j.version}</version>
    </dependency>
    <dependency>
      <groupId>ch.qos.logback</groupId>
      <artifactId>logback-classic</artifactId>
      <version>${logback.version}</version>
    </dependency>

    <!-- Lombok: Reduces boilerplate code through annotations -->
    <dependency>
      <groupId>org.projectlombok</groupId>
      <artifactId>lombok</artifactId>
      <version>${lombok.version}</version>
    </dependency>
  </dependencies>

  <dependencyManagement>
    <dependencies>
      <!-- Test Dependencies -->
      <dependency>
        <groupId>org.junit.jupiter</groupId>
        <artifactId>junit-jupiter</artifactId>
        <version>${junit.version}</version>
        <scope>test</scope>
      </dependency>
    </dependencies>
  </dependencyManagement>

  <build>
    <plugins>
      <!-- Versions plugin configuration -->
      <plugin>
        <groupId>org.codehaus.mojo</groupId>
        <artifactId>versions-maven-plugin</artifactId>
        <version>${versions.maven.version}</version>
        <configuration>
          <rulesUri>https://bruno.univ-tln.fr/rules.xml</rulesUri>
        </configuration>
      </plugin>

      <!-- Compiler plugin configuration -->
      <plugin>
        <artifactId>maven-compiler-plugin</artifactId>
        <version>${maven.compiler.version}</version>
        <configuration>
          <release>${maven.compiler.release}</release>
          <parameters>true</parameters>
          <annotationProcessorPaths>
            <path>
              <groupId>org.projectlombok</groupId>
              <artifactId>lombok</artifactId>
              <version>${lombok.version}</version>
            </path>
          </annotationProcessorPaths>
        </configuration>
      </plugin>

      <!-- Surefire plugin for running tests -->
      <plugin>
        <artifactId>maven-surefire-plugin</artifactId>
        <version>${maven.surefire.version}</version>
      </plugin>
    </plugins>

    <!-- Plugin management with updated versions -->
    <pluginManagement>
      <plugins>
        <plugin>
          <artifactId>maven-clean-plugin</artifactId>
          <version>${maven.clean.version}</version>
        </plugin>
        <plugin>
          <artifactId>maven-resources-plugin</artifactId>
          <version>${maven.resources.version}</version>
        </plugin>
        <plugin>
          <artifactId>maven-jar-plugin</artifactId>
          <version>${maven.jar.version}</version>
          <configuration>
            <archive>
              <manifest>
                <mainClass>${app.main.class}</mainClass>
              </manifest>
              <manifestEntries>
                <Built-By>${user.name}</Built-By>
                <Build-Timestamp>${maven.build.timestamp}</Build-Timestamp>
              </manifestEntries>
            </archive>
          </configuration>
        </plugin>
        <plugin>
          <artifactId>maven-install-plugin</artifactId>
          <version>${maven.install.version}</version>
        </plugin>
        <plugin>
          <artifactId>maven-deploy-plugin</artifactId>
          <version>${maven.deploy.version}</version>
        </plugin>
        <plugin>
          <artifactId>maven-site-plugin</artifactId>
          <version>${maven.site.version}</version>
        </plugin>
      </plugins>
    </pluginManagement>
  </build>

  <!-- Profiles: Different build configurations -->
  <profiles>
    <!-- JLink Profile: Creates custom runtime image -->
    <profile>
      <id>jlink</id>
      <build>
        <plugins>
          <!-- Copy dependencies for modular build -->
          <plugin>
            <artifactId>maven-dependency-plugin</artifactId>
            <version>${maven.dependency.version}</version>
            <executions>
              <execution>
                <id>copy-dependencies</id>
                <phase>prepare-package</phase>
                <goals>
                  <goal>copy-dependencies</goal>
                </goals>
                <configuration>
                  <outputDirectory>${project.build.directory}/modules</outputDirectory>
                </configuration>
              </execution>
            </executions>
          </plugin>

          <!-- JLink: Creates custom JRE with only required modules -->
          <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-jlink-plugin</artifactId>
            <version>${maven.jlink.plugin.version}</version>
            <configuration>
              <classifier>runtime-image</classifier>
              <verbose>true</verbose>
              <addModules>
                <addModule>${project.module}</addModule>
              </addModules>
              <modulePaths>
                <modulePath>${project.build.directory}/modules</modulePath>
              </modulePaths>
              <launcher>app=${project.module}/${app.main.class}</launcher>
              <stripDebug>true</stripDebug>
              <noHeaderFiles>true</noHeaderFiles>
              <noManPages>true</noManPages>
              <bindServices>true</bindServices>
            </configuration>
            <executions>
              <execution>
                <id>create-runtime-image</id>
                <phase>package</phase>
                <goals>
                  <goal>jlink</goal>
                </goals>
              </execution>
            </executions>
          </plugin>

          <!-- Installation -->
          <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-install-plugin</artifactId>
            <configuration>
              <skip>true</skip>
            </configuration>
          </plugin>
        </plugins>
      </build>
    </profile>
  </profiles>

</project>