pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<!-- tag::license[]
  ~
  ~ Copyright © 2022-2023 Piotr P. Karwasz
  ~
  ~ Licensed under the Apache License, Version 2.0 (the "License");
  ~ you may not use this file except in compliance with the License.
  ~ You may obtain a copy of the License at
  ~
  ~     https://www.apache.org/licenses/LICENSE-2.0
  ~
  ~ Unless required by applicable law or agreed to in writing, software
  ~ distributed under the License is distributed on an "AS IS" BASIS,
  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  ~ See the License for the specific language governing permissions and
  ~ limitations under the License.
  ~
  ~ end::license[] -->
<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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <groupId>eu.copernik</groupId>
  <artifactId>log4j-plugins-parent</artifactId>
  <version>${revision}</version>
  <packaging>pom</packaging>
  <name>Copernik.eu Log4j2 extensions</name>
  <description>Various extensions for Log4j2</description>
  <url>https://github.com/copernik-eu/log4j-plugins</url>
  <inceptionYear>2022</inceptionYear>

  <organization>
    <name>Copernik.eu</name>
    <url>https://github.com/copernik-eu</url>
  </organization>

  <licenses>
    <license>
      <name>Apache License, Version 2.0</name>
      <url>https://www.apache.org/licenses/LICENSE-2.0.txt</url>
      <distribution>repo</distribution>
    </license>
  </licenses>

  <developers>
    <developer>
      <id>pkarwasz</id>
      <name>Piotr P. Karwasz</name>
      <email>pkarwasz@apache.org</email>
      <timezone>Europe/Warsaw</timezone>
    </developer>
  </developers>

  <modules>
    <module>log4j-tomcat</module>
    <module>tomcat-log4j</module>
    <module>tomcat-juli-to-log4j</module>
  </modules>

  <scm child.scm.connection.inherit.append.path="false" child.scm.developerConnection.inherit.append.path="false" child.scm.url.inherit.append.path="false">
    <connection>scm:git:https://github.com/copernik-eu/log4j-plugins.git</connection>
    <developerConnection>scm:git:git@github.com:copernik-eu/log4j-plugins.git</developerConnection>
    <url>https://github.com/copernik-eu/log4j-plugins</url>
  </scm>

  <issueManagement>
    <system>Github issues</system>
    <url>https://github.com/copernik-eu/log4j-plugins/issues</url>
  </issueManagement>

  <ciManagement>
    <system>GitHub Actions</system>
    <url>https://github.com/copernik-eu/log4j-plugins/actions</url>
  </ciManagement>

  <distributionManagement>
    <repository>
      <id>central</id>
      <name>Central Repository</name>
      <url>https://repo.maven.apache.org/maven2/</url>
    </repository>
    <snapshotRepository>
      <id>ossrh</id>
      <name>OSSRH Snapshots</name>
      <url>https://s01.oss.sonatype.org/content/repositories/snapshots</url>
    </snapshotRepository>
    <site>
      <id>github</id>
      <name>Github page</name>
      <url>https://github.com/copernik-eu/log4j-plugins</url>
    </site>
  </distributionManagement>

  <properties>
    <revision>3.0.0-SNAPSHOT</revision>

    <gpg.keyname>piotr.github@karwasz.org</gpg.keyname>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

    <!-- target Java 8 -->
    <maven.compiler.source>8</maven.compiler.source>
    <maven.compiler.target>8</maven.compiler.target>
    <maven.compiler.release>8</maven.compiler.release>

    <javaBuildVersion>[17,18)</javaBuildVersion>

    <!-- `bnd-maven-plugin` 7.x requires a Maven version `3.8.1` or higher -->
    <minimalMavenBuildVersion>3.8.1</minimalMavenBuildVersion>

    <!-- JPMS and OSGi options -->
    <!-- Overrides some options in multi-release JARs -->
    <bnd-multi-release>false</bnd-multi-release>
    <!-- Module name: defaults to the OSGi symbolic bundle name -->
    <bnd-module-name>$[Bundle-SymbolicName]</bnd-module-name>
    <!--
          ~ Allows to change imported package attributes (e.g. add 'resolution:=optional')
          ~ See: https://bnd.bndtools.org/heads/import_package.html
          -->
    <bnd-extra-package-options />
    <!--
          ~ Allows to override the compute JPMS 'requires' statements.
          ~ This should be used only if the previous `bnd-extra-package-options` can not be used
          ~ due to a (reported?) BND bug.
          ~ See: https://bnd.bndtools.org/chapters/330-jpms.html#advanced-options
          -->
    <bnd-extra-module-options />
    <!-- Allows to extend the `bnd-maven-plugin` configuration with extras: -->
    <bnd-extra-config />

    <!--
          ~ These properties allow to override the default `bnd-maven-plugin` configuration through properties.
          ~ They should be used as a last resort.
          -->
    <!--
          ~ Create OSGi and JPMS module names based on the `groupId` and `artifactId`.
          ~ This almost agrees with `maven-bundle-plugin`, but replaces non-alphanumeric characters
          ~ with full stops `.`.
          -->
    <bnd-bundle-symbolicname>$[project.groupId].$[subst;$[project.artifactId];[^A-Za-z0-9];.]</bnd-bundle-symbolicname>
    <bnd-jpms-module-info>$[bnd-module-name];access=0</bnd-jpms-module-info>

    <!-- Enable reproducible builds -->
    <project.build.outputTimestamp>2024-09-17T18:07:00Z</project.build.outputTimestamp>

    <!-- Disable maven-site-plugin -->
    <maven.site.skip>true</maven.site.skip>
    <maven.site.deploy.skip>true</maven.site.deploy.skip>

    <!-- Maven plugin dependencies -->
    <error_prone.version>2.34.0</error_prone.version>
    <findsecbugs-plugin.version>1.13.0</findsecbugs-plugin.version>
    <palantir-java-format.version>2.50.0</palantir-java-format.version>

    <!-- Maven plugin versions -->
    <apache-rat-plugin.version>0.16.1</apache-rat-plugin.version>
    <asciidoctor-maven-plugin.version>3.0.0</asciidoctor-maven-plugin.version>
    <bnd-baseline-maven-plugin.version>7.0.0</bnd-baseline-maven-plugin.version>
    <bnd-maven-plugin.version>7.0.0</bnd-maven-plugin.version>
    <build-helper-maven-plugin.version>3.6.0</build-helper-maven-plugin.version>
    <central-publishing-maven-plugin.version>0.6.0</central-publishing-maven-plugin.version>
    <cyclonedx-maven-plugin.version>2.9.0</cyclonedx-maven-plugin.version>
    <exam-maven-plugin.version>4.13.5</exam-maven-plugin.version>
    <flatten-maven-plugin.version>1.6.0</flatten-maven-plugin.version>
    <jacoco-maven-plugin.version>0.8.12</jacoco-maven-plugin.version>
    <log4j-changelog-maven-plugin.version>0.9.0</log4j-changelog-maven-plugin.version>
    <maven-artifact-plugin.version>3.5.2</maven-artifact-plugin.version>
    <maven-clean-plugin.version>3.4.0</maven-clean-plugin.version>
    <maven-compiler-plugin.version>3.13.0</maven-compiler-plugin.version>
    <maven-deploy-plugin.version>3.1.3</maven-deploy-plugin.version>
    <maven-enforcer-plugin.version>3.5.0</maven-enforcer-plugin.version>
    <maven-gpg-plugin.version>3.2.7</maven-gpg-plugin.version>
    <maven-install-plugin.version>3.1.3</maven-install-plugin.version>
    <maven-jar-plugin.version>3.4.2</maven-jar-plugin.version>
    <maven-javadoc-plugin.version>3.10.1</maven-javadoc-plugin.version>
    <maven-remote-resources-plugin.version>3.2.0</maven-remote-resources-plugin.version>
    <maven-resources-plugin.version>3.3.1</maven-resources-plugin.version>
    <maven-source-plugin.version>3.3.1</maven-source-plugin.version>
    <maven-surefire-plugin.version>3.5.1</maven-surefire-plugin.version>
    <spotbugs-maven-plugin.version>4.8.6.5</spotbugs-maven-plugin.version>
    <spotless-maven-plugin.version>2.43.0</spotless-maven-plugin.version>
    <xml-maven-plugin.version>1.1.0</xml-maven-plugin.version>

    <!-- Dependency versions -->
    <assertj-core.version>3.26.3</assertj-core.version>
    <junit-bom.version>5.11.3</junit-bom.version>
    <log4j-bom.version>2.24.1</log4j-bom.version>
    <mockito-core.version>5.14.2</mockito-core.version>
    <tomcat.version>11.0.0</tomcat.version>

  </properties>

  <dependencyManagement>
    <dependencies>

      <dependency>
        <groupId>org.assertj</groupId>
        <artifactId>assertj-core</artifactId>
        <version>${assertj-core.version}</version>
      </dependency>

      <dependency>
        <groupId>org.junit</groupId>
        <artifactId>junit-bom</artifactId>
        <version>${junit-bom.version}</version>
        <type>pom</type>
        <scope>import</scope>
      </dependency>

      <dependency>
        <groupId>org.apache.logging.log4j</groupId>
        <artifactId>log4j-bom</artifactId>
        <version>${log4j-bom.version}</version>
        <type>pom</type>
        <scope>import</scope>
      </dependency>

      <dependency>
        <groupId>biz.aQute.bnd</groupId>
        <artifactId>biz.aQute.bnd.annotation</artifactId>
        <version>7.0.0</version>
      </dependency>

      <dependency>
        <groupId>org.jspecify</groupId>
        <artifactId>jspecify</artifactId>
        <version>1.0.0</version>
      </dependency>

      <dependency>
        <groupId>org.mockito</groupId>
        <artifactId>mockito-core</artifactId>
        <version>${mockito-core.version}</version>
      </dependency>

      <dependency>
        <groupId>org.osgi</groupId>
        <artifactId>org.osgi.annotation.bundle</artifactId>
        <version>2.0.0</version>
      </dependency>

      <dependency>
        <groupId>org.osgi</groupId>
        <artifactId>org.osgi.annotation.versioning</artifactId>
        <version>1.1.2</version>
      </dependency>

      <dependency>
        <groupId>com.github.spotbugs</groupId>
        <artifactId>spotbugs-annotations</artifactId>
        <version>4.8.6</version>
      </dependency>

      <dependency>
        <groupId>org.apache.tomcat</groupId>
        <artifactId>tomcat-catalina</artifactId>
        <version>${tomcat.version}</version>
      </dependency>

      <dependency>
        <groupId>org.apache.tomcat</groupId>
        <artifactId>tomcat-juli</artifactId>
        <version>${tomcat.version}</version>
      </dependency>

    </dependencies>
  </dependencyManagement>

  <dependencies>
    <dependency>
      <groupId>biz.aQute.bnd</groupId>
      <artifactId>biz.aQute.bnd.annotation</artifactId>
      <scope>provided</scope>
    </dependency>
    <dependency>
      <groupId>com.google.errorprone</groupId>
      <artifactId>error_prone_annotations</artifactId>
      <version>${error_prone.version}</version>
    </dependency>
    <dependency>
      <groupId>org.osgi</groupId>
      <artifactId>org.osgi.annotation.bundle</artifactId>
      <scope>provided</scope>
    </dependency>
    <dependency>
      <groupId>org.osgi</groupId>
      <artifactId>org.osgi.annotation.versioning</artifactId>
      <scope>provided</scope>
    </dependency>
    <dependency>
      <groupId>com.github.spotbugs</groupId>
      <artifactId>spotbugs-annotations</artifactId>
      <scope>provided</scope>
    </dependency>
  </dependencies>

  <repositories>
    <repository>
      <releases>
        <enabled>false</enabled>
      </releases>
      <id>ossrh</id>
      <name>OSSRH Snapshots</name>
      <url>https://s01.oss.sonatype.org/content/repositories/snapshots</url>
    </repository>
  </repositories>

  <build>
    <pluginManagement>
      <plugins>

        <plugin>
          <groupId>org.apache.rat</groupId>
          <artifactId>apache-rat-plugin</artifactId>
          <version>${apache-rat-plugin.version}</version>
        </plugin>

        <plugin>
          <groupId>org.asciidoctor</groupId>
          <artifactId>asciidoctor-maven-plugin</artifactId>
          <version>${asciidoctor-maven-plugin.version}</version>
        </plugin>

        <plugin>
          <groupId>biz.aQute.bnd</groupId>
          <artifactId>bnd-baseline-maven-plugin</artifactId>
          <version>${bnd-baseline-maven-plugin.version}</version>
        </plugin>

        <plugin>
          <groupId>biz.aQute.bnd</groupId>
          <artifactId>bnd-maven-plugin</artifactId>
          <version>${bnd-maven-plugin.version}</version>
        </plugin>

        <plugin>
          <groupId>org.codehaus.mojo</groupId>
          <artifactId>build-helper-maven-plugin</artifactId>
          <version>${build-helper-maven-plugin.version}</version>
        </plugin>

        <plugin>
          <groupId>org.sonatype.central</groupId>
          <artifactId>central-publishing-maven-plugin</artifactId>
          <version>${central-publishing-maven-plugin.version}</version>
        </plugin>

        <plugin>
          <groupId>org.cyclonedx</groupId>
          <artifactId>cyclonedx-maven-plugin</artifactId>
          <version>${cyclonedx-maven-plugin.version}</version>
        </plugin>

        <plugin>
          <groupId>org.ops4j.pax.exam</groupId>
          <artifactId>exam-maven-plugin</artifactId>
          <version>${exam-maven-plugin.version}</version>
        </plugin>

        <plugin>
          <groupId>org.codehaus.mojo</groupId>
          <artifactId>flatten-maven-plugin</artifactId>
          <version>${flatten-maven-plugin.version}</version>
        </plugin>

        <plugin>
          <groupId>org.jacoco</groupId>
          <artifactId>jacoco-maven-plugin</artifactId>
          <version>${jacoco-maven-plugin.version}</version>
        </plugin>

        <plugin>
          <groupId>org.apache.logging.log4j</groupId>
          <artifactId>log4j-changelog-maven-plugin</artifactId>
          <version>${log4j-changelog-maven-plugin.version}</version>
        </plugin>

        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-artifact-plugin</artifactId>
          <version>${maven-artifact-plugin.version}</version>
        </plugin>

        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-clean-plugin</artifactId>
          <version>${maven-clean-plugin.version}</version>
        </plugin>

        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-compiler-plugin</artifactId>
          <version>${maven-compiler-plugin.version}</version>
        </plugin>

        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-deploy-plugin</artifactId>
          <version>${maven-deploy-plugin.version}</version>
        </plugin>

        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-enforcer-plugin</artifactId>
          <version>${maven-enforcer-plugin.version}</version>
        </plugin>

        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-gpg-plugin</artifactId>
          <version>${maven-gpg-plugin.version}</version>
        </plugin>

        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-install-plugin</artifactId>
          <version>${maven-install-plugin.version}</version>
        </plugin>

        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-jar-plugin</artifactId>
          <version>${maven-jar-plugin.version}</version>
        </plugin>

        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-javadoc-plugin</artifactId>
          <version>${maven-javadoc-plugin.version}</version>
          <configuration>
            <notimestamp>true</notimestamp>
          </configuration>
        </plugin>

        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-remote-resources-plugin</artifactId>
          <version>${maven-remote-resources-plugin.version}</version>
        </plugin>

        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-resources-plugin</artifactId>
          <version>${maven-resources-plugin.version}</version>
        </plugin>

        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-source-plugin</artifactId>
          <version>${maven-source-plugin.version}</version>
        </plugin>

        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-surefire-plugin</artifactId>
          <version>${maven-surefire-plugin.version}</version>
        </plugin>

        <plugin>
          <groupId>com.github.spotbugs</groupId>
          <artifactId>spotbugs-maven-plugin</artifactId>
          <version>${spotbugs-maven-plugin.version}</version>
        </plugin>

        <plugin>
          <groupId>com.diffplug.spotless</groupId>
          <artifactId>spotless-maven-plugin</artifactId>
          <version>${spotless-maven-plugin.version}</version>
        </plugin>

        <plugin>
          <groupId>org.codehaus.mojo</groupId>
          <artifactId>xml-maven-plugin</artifactId>
          <version>${xml-maven-plugin.version}</version>
        </plugin>

      </plugins>
    </pluginManagement>

    <plugins>

      <plugin>
        <groupId>org.apache.rat</groupId>
        <artifactId>apache-rat-plugin</artifactId>
        <executions>
          <execution>
            <goals>
              <goal>check</goal>
            </goals>
            <phase>verify</phase>
            <configuration>
              <consoleOutput>true</consoleOutput>
              <excludes>
                <exclude>.mvn/jvm.config</exclude>
                <exclude>src/changelog/**/*.xml</exclude>
              </excludes>
            </configuration>
          </execution>
        </executions>
      </plugin>

      <plugin>
        <groupId>biz.aQute.bnd</groupId>
        <artifactId>bnd-maven-plugin</artifactId>
        <configuration>
          <bnd><![CDATA[
            # `Bundle-DocURL` uses `project.url`.
            # This is set to `${project.parent.url}${project.artifactId}` through Maven's inheritance assembly[1].
            # This eventually produces incorrect values.
            # Hence, we remove them from the produced descriptor.
            #
            # `Bundle-SCM` uses `project.scm.url` and suffers from the same inheritance problem `Bundle-DocURL` has.
            #
            # [1] https://maven.apache.org/ref/3.9.4/maven-model-builder/#inheritance-assembly
            #     Inheritance assembly can be disabled for certain properties, e.g., `project.url`.
            #     Though this would necessitate changes in the root `pom.xml`s of parented projects.
            #
            # `Bundle-Developers` is removed, since it is nothing but noise and occupies quite some real estate.
            -removeheaders: Bundle-DocURL,Bundle-SCM,Bundle-Developers

            # Create OSGi and JPMS module names based on the `groupId` and `artifactId`.
            # This almost agrees with `maven-bundle-plugin`, but replaces non-alphanumeric characters
            # with full stops `.`.
            Bundle-SymbolicName: $[bnd-bundle-symbolicname]
            -jpms-module-info: $[bnd-jpms-module-info]

            # Prevents an execution error in multi-release jars:
            -fixupmessages.classes_in_wrong_dir: "Classes found in the wrong directory";restrict:=error;is:=warning

            # Convert API leakage warnings to errors
            -fixupmessages.priv_refs: "private references";restrict:=warning;is:=error

            # 1. OSGI modules do not make sense in JPMS
            # 2. BND has a problem detecting the name of multi-release JPMS modules
            -jpms-module-info-options: \
              $[bnd-extra-module-options],\
              org.osgi.core;static=true;transitive=false,\
              org.osgi.framework;static=true;transitive=false,\
              org.apache.logging.log4j;substitute="log4j-api",\
              org.apache.logging.log4j.core;substitute="log4j-core"

            # Import all packages by default:
            Import-Package: \
              $[bnd-extra-package-options],\
              *

            # Adds certain `Implementation-*` and `Specification-*` entries to the generated `MANIFEST.MF`.
            # Using these properties is known to be a bad practice: https://github.com/apache/logging-log4j2/issues/1923#issuecomment-1786818254
            # Users should use `META-INF/maven/<groupId>/<artifactId>/pom.properties` instead.
            # Yet we support it due to backward compatibility reasons.
            # The issue was reported to `bnd-maven-plugin` too: https://github.com/bndtools/bnd/issues/5855
            # We set these values to their Maven Archiver defaults: https://maven.apache.org/shared/maven-archiver/#class_manifest
            Implementation-Title: ${project.name}
            Implementation-Vendor: ${project.organization.name}
            Implementation-Version: ${project.version}
            Specification-Title: ${project.name}
            Specification-Vendor: ${project.organization.name}
            Specification-Version: ${parsedVersion.majorVersion}.${parsedVersion.minorVersion}
          ]]></bnd>
        </configuration>
        <executions>
          <execution>
            <id>generate-module-descriptors</id>
            <goals>
              <goal>bnd-process</goal>
            </goals>
          </execution>
        </executions>
      </plugin>

      <!-- populate the `parsedVersion` property -->
      <plugin>
        <groupId>org.codehaus.mojo</groupId>
        <artifactId>build-helper-maven-plugin</artifactId>
        <executions>
          <execution>
            <id>parse-version</id>
            <goals>
              <goal>parse-version</goal>
            </goals>
            <phase>validate</phase>
          </execution>
        </executions>
      </plugin>

      <plugin>
        <groupId>org.cyclonedx</groupId>
        <artifactId>cyclonedx-maven-plugin</artifactId>
        <executions>
          <execution>
            <id>generate-sbom</id>
            <goals>
              <goal>makeBom</goal>
            </goals>
            <phase>package</phase>
          </execution>
        </executions>
      </plugin>

      <plugin>
        <groupId>org.jacoco</groupId>
        <artifactId>jacoco-maven-plugin</artifactId>
        <executions>
          <execution>
            <id>prepare-jacoco-agent</id>
            <goals>
              <goal>prepare-agent</goal>
            </goals>
          </execution>
          <execution>
            <id>report-test-coverage</id>
            <goals>
              <goal>report</goal>
            </goals>
          </execution>
        </executions>
      </plugin>

      <!--
        ~ Removes a trailing `module-info.class` before each compilation to prevent `javac` failures.
        ~
        ~ See https://github.com/copernik-eu/bug-reproducibility/tree/main/javac-module-info-bug
        -->
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-clean-plugin</artifactId>
        <executions>
          <execution>
            <id>delete-module-descriptor</id>
            <goals>
              <goal>clean</goal>
            </goals>
            <phase>process-resources</phase>
            <configuration>
              <excludeDefaultDirectories>true</excludeDefaultDirectories>
              <filesets>
                <fileset>
                  <directory>${project.build.outputDirectory}</directory>
                  <includes>
                    <include>module-info.class</include>
                  </includes>
                </fileset>
              </filesets>
            </configuration>
          </execution>
        </executions>
      </plugin>

      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-compiler-plugin</artifactId>
        <configuration>
          <encoding>UTF-8</encoding>
          <parameters>true</parameters>
          <compilerArgs>
            <arg>-Xlint:all</arg>
            <arg>-XDcompilePolicy=simple</arg>
            <arg>-Xplugin:ErrorProne</arg>
          </compilerArgs>
          <annotationProcessorPaths>
            <path>
              <groupId>com.google.errorprone</groupId>
              <artifactId>error_prone_core</artifactId>
              <version>${error_prone.version}</version>
            </path>
          </annotationProcessorPaths>
        </configuration>
      </plugin>

      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-deploy-plugin</artifactId>
        <inherited>false</inherited>
        <configuration>
          <skip>true</skip>
        </configuration>
      </plugin>

      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-enforcer-plugin</artifactId>
        <dependencies>
          <dependency>
            <groupId>de.skuzzle.enforcer</groupId>
            <artifactId>restrict-imports-enforcer-rule</artifactId>
            <version>2.6.0</version>
          </dependency>
        </dependencies>
        <executions>
          <execution>
            <id>validate-build-environment</id>
            <goals>
              <goal>enforce</goal>
            </goals>
            <configuration>
              <rules>
                <dependencyConvergence />
                <requireJavaVersion>
                  <version>${javaBuildVersion}</version>
                </requireJavaVersion>
                <requireMavenVersion>
                  <version>${minimalMavenBuildVersion}</version>
                </requireMavenVersion>
                <RestrictImports>
                  <reason>Expand all wildcard imports</reason>
                  <bannedImport>**.'*'</bannedImport>
                </RestrictImports>
              </rules>
            </configuration>
          </execution>
          <!-- Will be overridden in the `release` profile -->
          <execution>
            <id>enforce-no-snapshots</id>
            <goals>
              <goal>enforce</goal>
            </goals>
            <configuration>
              <rules>
                <requireSnapshotVersion>
                  <message>A release must use the `release` profile</message>
                </requireSnapshotVersion>
              </rules>
              <fail>true</fail>
            </configuration>
          </execution>
        </executions>
      </plugin>

      <!-- Configure `maven-jar-plugin` to take `MANIFEST.MF` generated by `bnd:bnd-process` into account.
           For more information, see: https://github.com/bndtools/bnd/blob/master/maven-plugins/bnd-maven-plugin/README.md#important-note-about-maven-jarwar-plugin -->
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-jar-plugin</artifactId>
        <configuration>
          <archive>
            <manifestFile>${project.build.outputDirectory}/META-INF/MANIFEST.MF</manifestFile>
          </archive>
        </configuration>
      </plugin>

      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-remote-resources-plugin</artifactId>
        <executions>
          <execution>
            <id>process-resource-bundles</id>
            <goals>
              <goal>process</goal>
            </goals>
            <configuration>
              <resourceBundles>
                <resourceBundle>org.apache.apache.resources:apache-jar-resource-bundle:1.5</resourceBundle>
              </resourceBundles>
            </configuration>
          </execution>
        </executions>
      </plugin>

      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-surefire-plugin</artifactId>
        <configuration>
          <!-- Using module path while running tests causes `IllegalAccess` exceptions.
               We relax that constraint for tests and use class path there. -->
          <useModulePath>false</useModulePath>
        </configuration>
      </plugin>

      <plugin>
        <groupId>com.github.spotbugs</groupId>
        <artifactId>spotbugs-maven-plugin</artifactId>
        <executions>
          <execution>
            <id>spotbugs-check</id>
            <goals>
              <goal>check</goal>
            </goals>
            <phase>verify</phase>
            <configuration>
              <excludeFilterFile>${maven.multiModuleProjectDirectory}/spotbugs-exclude.xml</excludeFilterFile>
              <fork>false</fork>
              <plugins>
                <plugin>
                  <groupId>com.h3xstream.findsecbugs</groupId>
                  <artifactId>findsecbugs-plugin</artifactId>
                  <version>${findsecbugs-plugin.version}</version>
                </plugin>
              </plugins>
            </configuration>
          </execution>
        </executions>
      </plugin>

      <plugin>
        <groupId>com.diffplug.spotless</groupId>
        <artifactId>spotless-maven-plugin</artifactId>
        <configuration>
          <java>
            <licenseHeader>
              <file>${maven.multiModuleProjectDirectory}/src/headers/java.txt</file>
            </licenseHeader>
            <palantirJavaFormat>
              <version>${palantir-java-format.version}</version>
            </palantirJavaFormat>
          </java>
          <pom>
            <licenseHeader>
              <file>${maven.multiModuleProjectDirectory}/src/headers/xml.txt</file>
              <delimiter>&lt;project</delimiter>
            </licenseHeader>
            <sortPom>
              <expandEmptyElements>false</expandEmptyElements>
              <!-- Maven Release plugin uses this style -->
              <spaceBeforeCloseEmptyElement>true</spaceBeforeCloseEmptyElement>
            </sortPom>
          </pom>
          <formats>
            <format>
              <includes>
                <include>src/**/*.xml</include>
              </includes>
              <excludes>
                <!-- The license header in changelog entry files causing Git to match irrelevant files.
                                     This is eventually causing merge conflicts.
                                     Hence, we avoid enforcing license headers there. -->
                <exclude>src/changelog/**/*.xml</exclude>
              </excludes>
              <licenseHeader>
                <file>${maven.multiModuleProjectDirectory}/src/headers/xml.txt</file>
                <skipLinesMatching>^&lt;\?xml.*\?&gt;$</skipLinesMatching>
                <delimiter>&lt;(!DOCTYPE|\w)</delimiter>
              </licenseHeader>
              <endWithNewline />
              <trimTrailingWhitespace />
            </format>
            <format>
              <includes>
                <include>src/**/*.adoc</include>
              </includes>
              <licenseHeader>
                <file>${maven.multiModuleProjectDirectory}/src/headers/adoc.txt</file>
                <delimiter>[^/]</delimiter>
              </licenseHeader>
              <endWithNewline />
              <trimTrailingWhitespace />
            </format>
            <format>
              <includes>
                <include>src/**/*.properties</include>
                <include>src/**/*.sh</include>
              </includes>
              <licenseHeader>
                <file>${maven.multiModuleProjectDirectory}/src/headers/yaml.txt</file>
                <skipLinesMatching>^#!/.+$</skipLinesMatching>
                <delimiter>(##|[^#])</delimiter>
              </licenseHeader>
              <endWithNewline />
              <trimTrailingWhitespace />
            </format>
          </formats>
          <yaml>
            <includes>
              <include>.github/**/*.yaml</include>
              <include>src/**/*.yml</include>
              <include>src/**/*.yaml</include>
            </includes>
            <licenseHeader>
              <file>${maven.multiModuleProjectDirectory}/src/headers/yaml.txt</file>
              <delimiter>(##|[^#])</delimiter>
            </licenseHeader>
            <endWithNewline />
            <trimTrailingWhitespace />
          </yaml>
        </configuration>
      </plugin>

    </plugins>
  </build>

  <profiles>

    <profile>

      <id>flatten-jar-pom</id>

      <activation>
        <file>
          <exists>src/main/java</exists>
        </file>
      </activation>

      <build>
        <plugins>
          <plugin>
            <groupId>org.codehaus.mojo</groupId>
            <artifactId>flatten-maven-plugin</artifactId>
            <executions>
              <execution>
                <id>flatten-all</id>
                <goals>
                  <goal>flatten</goal>
                </goals>
                <phase>process-resources</phase>
                <configuration>
                  <flattenDependencyMode>all</flattenDependencyMode>
                  <flattenMode>ossrh</flattenMode>
                  <omitExclusions>true</omitExclusions>
                </configuration>
              </execution>
              <execution>
                <id>clean-flattened-pom</id>
                <goals>
                  <goal>clean</goal>
                </goals>
                <phase>clean</phase>
              </execution>
            </executions>
          </plugin>
        </plugins>
      </build>
    </profile>

    <profile>

      <id>changelog-release</id>

      <build>

        <defaultGoal>log4j-changelog:release@release-changelog</defaultGoal>

        <plugins>

          <plugin>
            <groupId>org.apache.logging.log4j</groupId>
            <artifactId>log4j-changelog-maven-plugin</artifactId>
            <executions>
              <execution>
                <id>release-changelog</id>
                <configuration>
                  <releaseVersion>${project.version}</releaseVersion>
                </configuration>
              </execution>
            </executions>
          </plugin>
        </plugins>

      </build>

    </profile>

    <profile>

      <id>changelog-generate</id>

      <build>

        <defaultGoal>log4j-changelog:export@generate-changelog</defaultGoal>

        <plugins>

          <plugin>
            <groupId>org.apache.logging.log4j</groupId>
            <artifactId>log4j-changelog-maven-plugin</artifactId>
            <inherited>false</inherited>
            <executions>
              <execution>
                <id>generate-changelog</id>
                <configuration>
                  <outputDirectory>${project.basedir}/src/antora/modules/ROOT</outputDirectory>
                  <indexTemplates>
                    <template>
                      <source>index.adoc.ftl</source>
                      <target>pages/release-notes.adoc</target>
                    </template>
                  </indexTemplates>
                  <changelogTemplates>
                    <template>
                      <source>.release-notes.adoc.ftl</source>
                      <target>partials/release-notes/%v.adoc</target>
                    </template>
                  </changelogTemplates>
                </configuration>
              </execution>
            </executions>
          </plugin>
        </plugins>

      </build>

    </profile>

    <profile>

      <id>release</id>

      <build>
        <plugins>

          <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-enforcer-plugin</artifactId>
            <executions>
              <execution>
                <id>enforce-no-snapshots</id>
                <goals>
                  <goal>enforce</goal>
                </goals>
                <configuration>
                  <rules combine.self="override">
                    <requireReleaseDeps>
                      <message>A release cannot have SNAPSHOT dependencies</message>
                      <onlyWhenRelease>true</onlyWhenRelease>
                    </requireReleaseDeps>
                    <requireReleaseVersion>
                      <message>A release cannot be a SNAPSHOT version</message>
                    </requireReleaseVersion>
                  </rules>
                  <fail>true</fail>
                </configuration>
              </execution>
            </executions>
          </plugin>

          <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-gpg-plugin</artifactId>
            <version>${maven-gpg-plugin.version}</version>
            <executions>
              <execution>
                <id>sign-artifacts</id>
                <goals>
                  <goal>sign</goal>
                </goals>
                <phase>verify</phase>
              </execution>
            </executions>
          </plugin>

          <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-source-plugin</artifactId>
            <executions>
              <execution>
                <id>attach-sources</id>
                <goals>
                  <goal>jar-no-fork</goal>
                </goals>
              </execution>
            </executions>
          </plugin>

          <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-javadoc-plugin</artifactId>
            <executions>
              <execution>
                <id>attach-javadocs</id>
                <goals>
                  <goal>jar</goal>
                </goals>
                <configuration>
                  <notimestamp>true</notimestamp>
                </configuration>
              </execution>
            </executions>
          </plugin>

          <plugin>
            <groupId>org.sonatype.central</groupId>
            <artifactId>central-publishing-maven-plugin</artifactId>
            <extensions>true</extensions>
            <configuration>
              <publishingServerId>central</publishingServerId>
            </configuration>
          </plugin>

        </plugins>
      </build>
    </profile>

    <!-- Dummy profile to trigger updates for these dependencies -->
    <profile>

      <id>dummy-dependabot</id>

      <dependencies>
        <dependency>
          <groupId>com.google.errorprone</groupId>
          <artifactId>error_prone_core</artifactId>
          <version>${error_prone.version}</version>
        </dependency>
        <dependency>
          <groupId>com.h3xstream.findsecbugs</groupId>
          <artifactId>findsecbugs-plugin</artifactId>
          <version>${findsecbugs-plugin.version}</version>
        </dependency>
        <dependency>
          <groupId>com.palantir.javaformat</groupId>
          <artifactId>palantir-java-format</artifactId>
          <version>${palantir-java-format.version}</version>
        </dependency>
      </dependencies>
    </profile>

  </profiles>

</project>