icu/icu4j/pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
* © 2016 and later: Unicode, Inc. and others.
* License & terms of use: http://www.unicode.org/copyright.html
-->
<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>

  <groupId>com.ibm.icu</groupId>
  <artifactId>icu4j-root</artifactId>
  <version>78.0.1-SNAPSHOT</version>
  <packaging>pom</packaging>

  <name>${proj-title} (${project.artifactId})</name>
  <description>International Components for Unicode for Java (ICU4J) is a mature, widely used Java library
    providing Unicode and Globalization support.
    This is the base artifact with common settings, not intended to use directly.</description>
  <url>${proj.url}</url>
  <inceptionYear>1995</inceptionYear>

  <organization>
    <name>Unicode, Inc.</name>
    <url>https://icu.unicode.org/</url>
  </organization>

  <modules>
    <module>main/framework</module>
    <module>main/core</module>
    <!-- For publishing to Maven Central -->
    <module>main/charset</module>
    <module>main/collate</module>
    <module>main/currdata</module>
    <module>main/langdata</module>
    <module>main/regiondata</module>
    <module>main/translit</module>
    <module>main/common_tests</module>
    <!-- Shaded jar for publishing to Maven Central -->
    <module>main/icu4j</module>
    <!-- For publishing to Maven Central. Not shaded, but depends on the shaded artifacts above.
         Also contains all the project properties (developers, scm, etc) needed for maven publishing.
    -->
    <module>main/localespi</module>

    <module>demos</module>
    <module>samples</module>
    <module>tools/misc</module>
    <module>perf-tests</module>
  </modules>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <maven.compiler.source>1.8</maven.compiler.source>
    <maven.compiler.target>1.8</maven.compiler.target>

    <maven-central-repo-url>https://oss.sonatype.org</maven-central-repo-url>
    <maven-central-releases-repo-url>${maven-central-repo-url}/service/local/staging/deploy/maven2</maven-central-releases-repo-url>
    <maven-central-snapshots-repo-url>${maven-central-repo-url}/content/repositories/snapshots</maven-central-snapshots-repo-url>

    <!-- This is the folder where we gather the files to be posted in the Github Release-->
    <release.directory>${project.build.directory}/release_directory</release.directory>

    <junit.version>4.13.2</junit.version>
    <junitparams.version>1.1.1</junitparams.version>
    <gson.version>2.11.0</gson.version>
    <commons-cli.version>1.9.0</commons-cli.version>

    <proj-title>International Components for Unicode for Java</proj-title>
    <proj.displayname>${project.artifactId}</proj.displayname>
    <proj.url>https://icu.unicode.org/</proj.url>
    <proj.scm.connection>scm:git:git://github.com/unicode-org/icu.git</proj.scm.connection>
    <proj.scm.developerConnection>scm:git:git@github.com:unicode-org/icu.git</proj.scm.developerConnection>
    <proj.scm.url>https://github.com/unicode-org/icu</proj.scm.url>

    <!-- Version update! -->
    <icu.major.version>78</icu.major.version>

    <!-- Variables used to generate the javadoc -->
    <!-- Version update! -->
    <api.doc.version>${icu.major.version}</api.doc.version>
    <icu4j.api.doc.window.title>ICU4J ${api.doc.version}</icu4j.api.doc.window.title>
    <icu4j.api.doc.header>ICU4J ${api.doc.version}</icu4j.api.doc.header>
    <icu4j.api.doc.copyright.footer>&lt;font size=-1&gt;Copyright © 2016 Unicode, Inc. and others.&lt;/font&gt;</icu4j.api.doc.copyright.footer>

    <!-- Needs to be overriden in sub-modules -->
    <icu4j.api.doc.root.dir>${project.basedir}</icu4j.api.doc.root.dir>
    <icu4j.api.report.version>${icu.major.version}</icu4j.api.report.version>

    <!-- Used for the .jar Manifest files -->
    <mf.Specification-Version>${icu.major.version}</mf.Specification-Version>
    <mf.Implementation-Version>${project.version}</mf.Implementation-Version>
    <mf.Bundle-Version>${project.version}</mf.Bundle-Version>
    <mf.Bundle-RequiredExecutionEnvironment>JavaSE-1.8</mf.Bundle-RequiredExecutionEnvironment>

    <!-- For most modules artifactId does not have an "icu4j" prefix, so this is a good default -->
    <module-name>${project.artifactId}</module-name>

    <!-- Manifest fields that rarely change, if ever -->
    <mf.Specification-Title>${proj-title} (${proj.displayname})</mf.Specification-Title>
    <mf.Implementation-Title>${proj-title} (${proj.displayname})</mf.Implementation-Title>
    <mf.Bundle-Description>${proj-title} (${proj.displayname})</mf.Bundle-Description>
    <mf.Bundle-SymbolicName>com.ibm.icu.${module-name}</mf.Bundle-SymbolicName>
    <mf.Automatic-Module-Name>com.ibm.icu.${module-name}</mf.Automatic-Module-Name>
    <mf.Bundle-Name>ICU4J ${proj.displayname}</mf.Bundle-Name>

    <mf.Specification-Vendor>Unicode, Inc.</mf.Specification-Vendor>
    <mf.Implementation-Vendor>Unicode, Inc.</mf.Implementation-Vendor>
    <mf.Bundle-Vendor>Unicode, Inc.</mf.Bundle-Vendor>
    <mf.Implementation-Vendor-Id>org.unicode</mf.Implementation-Vendor-Id>
    <mf.Manifest-Version>1.0</mf.Manifest-Version>
    <mf.Bundle-ManifestVersion>2</mf.Bundle-ManifestVersion>
    <mf.Bundle-Copyright>© 2016 and later: Unicode, Inc. and others. License &amp; terms of use: http://www.unicode.org/copyright.html</mf.Bundle-Copyright>
  </properties>

  <licenses>
    <license>
      <name>Unicode-3.0</name>
      <url>https://raw.githubusercontent.com/unicode-org/icu/maint/maint-${icu.major.version}/LICENSE</url>
      <distribution>repo</distribution>
    </license>
  </licenses>

  <developers>
    <developer>
      <id>markusicu</id> <!-- GitHub ID -->
      <name>Markus Scherer</name>
      <organization>Google</organization>
      <roles>
        <role>Chair</role>
      </roles>
    </developer>
    <developer>
      <id>richgillam</id> <!-- GitHub ID -->
      <name>Richard Gillam</name>
      <roles>
        <role>Vice chair</role>
      </roles>
    </developer>
  </developers>

  <mailingLists>
    <mailingList>
      <name>icu-support</name>
      <subscribe>https://lists.sourceforge.net/lists/listinfo/icu-support</subscribe>
      <unsubscribe>https://lists.sourceforge.net/lists/listinfo/icu-support</unsubscribe>
      <post>icu-support@lists.sourceforge.net</post>
      <archive>http://sourceforge.net/mailarchive/forum.php?forum_name=icu-support</archive>
    </mailingList>
    <mailingList>
      <name>icu-announce</name>
      <subscribe>https://lists.sourceforge.net/lists/listinfo/icu-announce</subscribe>
      <unsubscribe>https://lists.sourceforge.net/lists/listinfo/icu-announce</unsubscribe>
      <post>icu-announce@lists.sourceforge.net</post>
      <archive>http://sourceforge.net/mailarchive/forum.php?forum_name=icu-announce</archive>
    </mailingList>
    <mailingList>
      <name>icu-design</name>
      <subscribe>https://lists.sourceforge.net/lists/listinfo/icu-design</subscribe>
      <unsubscribe>https://lists.sourceforge.net/lists/listinfo/icu-design</unsubscribe>
      <post>icu-design@lists.sourceforge.net</post>
      <archive>http://sourceforge.net/mailarchive/forum.php?forum_name=icu-design</archive>
    </mailingList>
  </mailingLists>

  <scm>
    <connection>${proj.scm.connection}</connection>
    <developerConnection>${proj.scm.developerConnection}</developerConnection>
    <url>${proj.scm.url}</url>
  </scm>

  <issueManagement>
    <system>JIRA</system>
    <url>https://unicode-org.atlassian.net/projects/ICU</url>
  </issueManagement>

  <distributionManagement>
    <repository>
      <id>icu4j-maven-repo</id>
      <name>ICU4J Central Repository</name>
      <url>${maven-central-releases-repo-url}</url>
    </repository>
    <snapshotRepository>
      <id>icu4j-maven-repo</id>
      <name>ICU4J Central Development Repository</name>
      <url>${maven-central-snapshots-repo-url}</url>
    </snapshotRepository>
  </distributionManagement>

  <build>
    <pluginManagement>
      <plugins>
        <plugin>
          <artifactId>maven-clean-plugin</artifactId>
          <version>3.4.0</version>
        </plugin>
        <plugin>
          <artifactId>maven-resources-plugin</artifactId>
          <version>3.3.1</version>
        </plugin>
        <plugin>
          <artifactId>maven-compiler-plugin</artifactId>
          <version>3.13.0</version>
          <!-- Plugin bug, maven.compiler.* properties are not honored, see
            https://issues.apache.org/jira/browse/MCOMPILER-545
          -->
          <configuration>
            <source>${maven.compiler.source}</source>
            <target>${maven.compiler.target}</target>
          </configuration>
        </plugin>
        <plugin>
          <artifactId>maven-surefire-plugin</artifactId>
          <version>3.4.0</version>
          <configuration>
            <includes>
              <!-- Some test files start with "IntlTest...". Many don't fit
                the Surefire test file name default patterns. To be safe, use
                a catchall pattern instead of the default patterns.

                FYI, the default patterns are documented on the website of the
                testing plugin:
                https://maven.apache.org/surefire/maven-surefire-plugin/examples/inclusion-exclusion.html
              -->
              <include>**/*.java</include>
            </includes>
          </configuration>
        </plugin>
        <plugin>
          <artifactId>maven-failsafe-plugin</artifactId>
          <version>3.4.0</version>
        </plugin>
        <plugin>
          <artifactId>maven-install-plugin</artifactId>
          <version>3.1.3</version>
        </plugin>
        <plugin>
          <artifactId>maven-deploy-plugin</artifactId>
          <version>3.1.3</version>
          <configuration>
            <skip>true</skip>
          </configuration>
        </plugin>
        <plugin>
          <artifactId>maven-site-plugin</artifactId>
          <version>4.0.0-M16</version>
        </plugin>
        <plugin>
          <artifactId>maven-source-plugin</artifactId>
          <version>3.3.1</version>
        </plugin>
        <plugin>
          <artifactId>maven-gpg-plugin</artifactId>
          <version>3.2.5</version>
        </plugin>
        <plugin>
          <artifactId>maven-project-info-reports-plugin</artifactId>
          <version>3.7.0</version>
        </plugin>
        <plugin>
          <artifactId>maven-shade-plugin</artifactId>
          <version>3.6.0</version>
        </plugin>
        <plugin>
          <artifactId>maven-assembly-plugin</artifactId>
          <version>3.7.1</version>
        </plugin>
        <plugin>
          <artifactId>maven-dependency-plugin</artifactId>
          <version>3.8.0</version>
        </plugin>
        <plugin>
          <groupId>org.codehaus.mojo</groupId>
          <artifactId>build-helper-maven-plugin</artifactId>
          <version>3.6.0</version>
          <executions>
            <execution>
              <id>root-location</id>
              <phase>initialize</phase>
              <goals>
                <goal>rootlocation</goal>
              </goals>
            </execution>
          </executions>
        </plugin>
        <plugin>
          <artifactId>maven-release-plugin</artifactId>
          <version>3.1.1</version>
        </plugin>
        <plugin>
          <groupId>org.codehaus.mojo</groupId>
          <artifactId>flatten-maven-plugin</artifactId>
          <version>1.6.0</version>
          <configuration>
            <flattenMode>ossrh</flattenMode>
          </configuration>
          <executions>
            <execution>
              <id>flatten</id>
              <phase>process-resources</phase>
              <goals>
                <goal>flatten</goal>
              </goals>
            </execution>
            <execution>
              <id>flatten.clean</id>
              <phase>clean</phase>
              <goals>
                <goal>clean</goal>
              </goals>
            </execution>
          </executions>
        </plugin>
        <plugin>
          <artifactId>maven-enforcer-plugin</artifactId>
          <version>3.5.0</version>
          <executions>
            <execution>
              <id>enforce-maven</id>
              <goals>
                <goal>enforce</goal>
              </goals>
              <configuration>
                <rules>
                  <requireMavenVersion>
                    <version>3.6.3</version>
                  </requireMavenVersion>
                </rules>
              </configuration>
            </execution>
          </executions>
        </plugin>
        <plugin>
          <artifactId>maven-javadoc-plugin</artifactId>
          <version>3.11.2</version>
          <configuration>
            <excludePackageNames>com.ibm.icu.impl,com.ibm.icu.impl.*,com.ibm.icu.dev.*,com.ibm.icu.samples,com.ibm.icu.samples.*</excludePackageNames>
            <!--
              The ant project specified <doclint>reference,html</doclint>.
              But that fails in main\core\src\main\java because maven enforces dependencies more strictly:
                [ERROR] com\ibm\icu\text\UnicodeFilter.java:15: error: reference not found
                [ERROR]  * {@link com.ibm.icu.text.Transliterator}
                [ERROR] com\ibm\icu\util\ULocale.java:100: error: reference not found
                [ERROR]  * {@link com.ibm.icu.text.Collator}
            -->
            <doclint>html</doclint>
            <notimestamp>true</notimestamp>
            <nodeprecatedlist>true</nodeprecatedlist>
            <quiet>true</quiet>
            <windowtitle>${icu4j.api.doc.window.title}</windowtitle>
            <doctitle>${icu4j.api.doc.window.title}</doctitle>
            <header>${icu4j.api.doc.header}</header>
            <bottom>${icu4j.api.doc.copyright.footer}</bottom>
            <encoding>UTF-8</encoding>
            <docencoding>UTF-8</docencoding>
            <charset>UTF-8</charset>
            <breakiterator>true</breakiterator>
            <use>true</use>
            <!-- <verbose>true</verbose> -->
            <additionalJOptions>
              <additionalJOption>-J-Dfile.encoding=UTF-8</additionalJOption>
            </additionalJOptions>
            <!--
              Although the Maven Javadoc plugin claims that taglets are auto-detected,
              it does not seem to work. But listing them explicitly does.
            -->
            <taglets>
              <taglet>
                <tagletClass>com.ibm.icu.dev.tool.docs.ICUBugTaglet</tagletClass>
              </taglet>
              <taglet>
                <tagletClass>com.ibm.icu.dev.tool.docs.ICUCategoryTaglet</tagletClass>
              </taglet>
              <taglet>
                <tagletClass>com.ibm.icu.dev.tool.docs.ICUDiscouragedTaglet</tagletClass>
              </taglet>
              <taglet>
                <tagletClass>com.ibm.icu.dev.tool.docs.ICUDraftTaglet</tagletClass>
              </taglet>
              <taglet>
                <tagletClass>com.ibm.icu.dev.tool.docs.ICUEnhancedTaglet</tagletClass>
              </taglet>
              <taglet>
                <tagletClass>com.ibm.icu.dev.tool.docs.ICUInternalTaglet</tagletClass>
              </taglet>
              <taglet>
                <tagletClass>com.ibm.icu.dev.tool.docs.ICUNewTaglet</tagletClass>
              </taglet>
              <taglet>
                <tagletClass>com.ibm.icu.dev.tool.docs.ICUNoteTaglet</tagletClass>
              </taglet>
              <taglet>
                <tagletClass>com.ibm.icu.dev.tool.docs.ICUObsoleteTaglet</tagletClass>
              </taglet>
              <taglet>
                <tagletClass>com.ibm.icu.dev.tool.docs.ICUProvisionalTaglet</tagletClass>
              </taglet>
              <taglet>
                <tagletClass>com.ibm.icu.dev.tool.docs.ICUStableTaglet</tagletClass>
              </taglet>
              <taglet>
                <tagletClass>com.ibm.icu.dev.tool.docs.ICUSummaryTaglet</tagletClass>
              </taglet>
              <taglet>
                <tagletClass>com.ibm.icu.dev.tool.docs.ICUTestTaglet</tagletClass>
              </taglet>
            </taglets>
            <!-- To handle the ICU custom taglets (@icu, @draft, @stable, etc -->
            <tagletArtifact>
              <groupId>com.ibm.icu</groupId>
              <artifactId>tools_taglets</artifactId>
              <version>${project.version}</version>
            </tagletArtifact>
          </configuration>
        </plugin>
        <plugin>
          <artifactId>maven-jar-plugin</artifactId>
          <version>3.4.2</version>
          <configuration>
            <archive>
              <manifest>
                <addDefaultImplementationEntries>true</addDefaultImplementationEntries>
                <addDefaultSpecificationEntries>true</addDefaultSpecificationEntries>
              </manifest>
              <manifestEntries>
                <Automatic-Module-Name>${mf.Automatic-Module-Name}</Automatic-Module-Name>
                <Bundle-Copyright>${mf.Bundle-Copyright}</Bundle-Copyright>
                <Specification-Title>${mf.Specification-Title}</Specification-Title>
                <Specification-Version>${mf.Specification-Version}</Specification-Version>
                <Specification-Vendor>${mf.Specification-Vendor}</Specification-Vendor>
                <Implementation-Title>${mf.Implementation-Title}</Implementation-Title>
                <Implementation-Version>${mf.Implementation-Version}</Implementation-Version>
                <Implementation-Vendor>${mf.Implementation-Vendor}</Implementation-Vendor>
                <Implementation-Vendor-Id>${mf.Implementation-Vendor-Id}</Implementation-Vendor-Id>
                <Bundle-ManifestVersion>${mf.Bundle-ManifestVersion}</Bundle-ManifestVersion>
                <Bundle-Name>${mf.Bundle-Name}</Bundle-Name>
                <Bundle-Description>${mf.Bundle-Description}</Bundle-Description>
                <Bundle-SymbolicName>${mf.Bundle-SymbolicName}</Bundle-SymbolicName>
                <Bundle-Version>${mf.Bundle-Version}</Bundle-Version>
                <Bundle-Vendor>${mf.Bundle-Vendor}</Bundle-Vendor>
                <Bundle-Copyright>${mf.Bundle-Copyright}</Bundle-Copyright>
                <Bundle-RequiredExecutionEnvironment>${mf.Bundle-RequiredExecutionEnvironment}</Bundle-RequiredExecutionEnvironment>
              </manifestEntries>
            </archive>
          </configuration>
        </plugin>
        <plugin>
          <groupId>org.codehaus.mojo</groupId>
          <artifactId>exec-maven-plugin</artifactId>
          <version>3.4.1</version>
        </plugin>
      </plugins>
    </pluginManagement>

    <plugins>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-enforcer-plugin</artifactId>
      </plugin>
      <plugin>
        <groupId>org.codehaus.mojo</groupId>
        <artifactId>build-helper-maven-plugin</artifactId>
      </plugin>
    </plugins>

  </build>

  <profiles>

    <!-- This is used to create the *-sources.jar for individual modules -->
    <profile>
      <id>with_sources</id>
      <build>
        <plugins>
          <plugin>
            <artifactId>maven-source-plugin</artifactId>
            <executions>
              <execution>
                <id>attach-sources</id>
                <goals>
                  <goal>jar-no-fork</goal>
                </goals>
              </execution>
            </executions>
            <configuration>
              <excludes>
                <exclude>/com/ibm/icu/impl/data/icudata/**</exclude>
                <exclude>/com/ibm/icu/impl/duration/impl/data/*.xml</exclude>
                <exclude>/com/ibm/icu/impl/duration/impl/data/*.xml.escaped</exclude>
                <exclude>/com/ibm/icu/impl/duration/impl/data/*.txt</exclude>
                <exclude>/com/ibm/icu/ICUConfig.properties</exclude>
                <exclude>/**/package.html</exclude>
              </excludes>
            </configuration>
          </plugin>
        </plugins>
      </build>
    </profile>

    <!-- This is used to create the *-javadoc.jar for individual modules -->
    <profile>
      <id>with_javadoc</id>
      <build>
        <plugins>
          <plugin>
            <artifactId>maven-javadoc-plugin</artifactId>
            <executions>
              <execution>
                <id>attach-javadocs</id>
                <goals>
                  <goal>jar</goal>
                </goals>
              </execution>
            </executions>
          </plugin>
        </plugins>
      </build>
    </profile>

    <profile>
      <id>with_signature</id>
      <build>
        <plugins>
          <plugin>
            <artifactId>maven-gpg-plugin</artifactId>
            <executions>
              <execution>
                <id>sign-artifacts</id>
                <phase>verify</phase>
                <goals>
                  <goal>sign</goal>
                </goals>
                <configuration>
                  <keyname>${gpg-keyname}</keyname>
                  <passphraseServerId>${gpg-keyname}</passphraseServerId>
                  <gpgArguments>
                    <arg>--pinentry-mode</arg>
                    <arg>loopback</arg>
                  </gpgArguments>
                </configuration>
              </execution>
            </executions>
          </plugin>
        </plugins>
      </build>
    </profile>

    <!-- This is used to create "merged" javadoc for all modules combined.
      Matches what is posted on a website (where icu4j / charset / localespi are all in one).
      That's why you need to run this with `site`, but build the artifacts first (for the taglets):
        mvn install -DskipTests -DskipITs
        mvn site -DskipTests -DskipITs -P with_full_javadoc
    -->
    <profile>
      <id>with_full_javadoc</id>
      <build>
        <plugins>
          <plugin>
            <artifactId>maven-javadoc-plugin</artifactId>
            <executions>
              <execution>
                <id>aggregate</id>
                <phase>site</phase>
                <goals>
                  <goal>aggregate</goal>
                </goals>
              </execution>
            </executions>
          </plugin>
        </plugins>
      </build>
    </profile>

    <!-- This is used to gather API data used to generate API reports
      (regular, draft, deprecated, status consistency, etc.)
      To run it:
        mvn install -DskipITs -DskipTests
        mvn site -DskipITs -DskipTests -P gatherapi
    -->
    <profile>
      <id>gatherapi</id>
      <build>
        <plugins>
          <plugin>
            <artifactId>maven-javadoc-plugin</artifactId>
            <executions>
              <execution>
                <id>aggregate</id>
                <phase>site</phase>
                <goals>
                  <goal>aggregate</goal>
                </goals>
              </execution>
            </executions>
            <configuration>
              <!-- For incomplete doc tags javadoc fails with:
                  ```
                  Error while creating javadoc report:
                  Exit code: 1
                  Command line was: ...
                  Refer to the generated Javadoc files in '...' dir.
                  ```
                But in most cases these are not related to what we do here, which is API reporting.
                We ignore them so that we can progess with what we really care.
              -->
              <failOnError>false</failOnError>
              <useStandardDocletOptions>false</useStandardDocletOptions>
              <doclet>com.ibm.icu.dev.tool.docs.GatherAPIData</doclet>
              <docletArtifact>
                <groupId>com.ibm.icu</groupId>
                <artifactId>tools_build</artifactId>
                <version>${project.version}</version>
              </docletArtifact>
              <additionalOptions>
                <additionalOption>-name 'ICU4J ${mf.Implementation-Version}'</additionalOption>
                <additionalOption>-output ${project.build.directory}/icu4j${icu4j.api.report.version}.api3</additionalOption>
                <additionalOption>-internal</additionalOption>
                <additionalOption>-version</additionalOption>
                <additionalOption>-gzip</additionalOption>
              </additionalOptions>
            </configuration>
          </plugin>
        </plugins>
      </build>
    </profile>

    <!-- This is used to check that all API are properly tagged
      (regular, draft, deprecated, status consistency, etc.)
      To run it:
        mvn install -DskipITs -DskipTests
        mvn site -DskipITs -DskipTests -P checktags
    -->
    <profile>
      <id>checktags</id>
      <build>
        <plugins>
          <plugin>
            <artifactId>maven-javadoc-plugin</artifactId>
            <executions>
              <execution>
                <id>aggregate</id>
                <phase>site</phase>
                <goals>
                  <goal>aggregate</goal>
                </goals>
              </execution>
            </executions>
            <configuration>
              <failOnError>false</failOnError>
              <useStandardDocletOptions>false</useStandardDocletOptions>
              <doclet>com.ibm.icu.dev.tool.docs.CheckTags</doclet>
              <docletArtifact>
                <groupId>com.ibm.icu</groupId>
                <artifactId>tools_build</artifactId>
                <version>${project.version}</version>
              </docletArtifact>
            </configuration>
          </plugin>
        </plugins>
      </build>
    </profile>

    <!-- Starting with JDK 9, the Java compiler supports the −−release version.
      Unlike source (checking the language features) and target (the version of the classes generated),
      this option also checks that newer APIs are not used.
        https://maven.apache.org/plugins/maven-compiler-plugin/examples/set-compiler-release.html
      Would be nice if the maven-compiler-plugin would filter this out below JDK 9, but it does not.
      So we must use an auto-activated profile for this option.
    -->
    <profile>
      <id>newer_jdk</id>
      <activation>
        <jdk>[9,)</jdk>
      </activation>
      <modules>
         <module>tools/build</module>
         <module>tools/taglets</module>
      </modules>
      <build>
        <plugins>
          <plugin>
            <artifactId>maven-compiler-plugin</artifactId>
            <configuration>
              <release>8</release>
            </configuration>
          </plugin>
        </plugins>
      </build>
    </profile>

    <profile>
      <!-- mvn test -ntp -DskipTests -DskipITs -P errorprone -->
      <id>errorprone</id>
      <build>
        <plugins>
          <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <configuration>
              <source>${maven.compiler.source}</source>
              <target>${maven.compiler.target}</target>
              <encoding>UTF-8</encoding>
              <!-- Use <compilerArg> to pass flags to errorprone. See https://errorprone.info/docs/flags -->
              <showWarnings>true</showWarnings>
              <compilerArgs>
                <arg>-XDcompilePolicy=simple</arg>
                <!--
                  -XepAllErrorsAsWarnings:
                    If we let errors be errors they fail and stop the build, so we don't get a full report.
                    So we force them all to be reported as warning.
                    The drawback is that there are not errors now, they get mixed with the real warnings.
                -->
                <arg>-Xplugin:ErrorProne -XepAllErrorsAsWarnings</arg>
              </compilerArgs>
              <annotationProcessorPaths>
                <path>
                  <groupId>com.google.errorprone</groupId>
                  <artifactId>error_prone_core</artifactId>
                  <version>2.25.0</version>
                </path>
              </annotationProcessorPaths>
            </configuration>
          </plugin>
        </plugins>
      </build>
    </profile>

    <profile>
        <id>release_files</id>
        <build>
            <plugins>
                <plugin>
                    <artifactId>maven-dependency-plugin</artifactId>
                    <configuration>
                        <outputDirectory>${release.directory}</outputDirectory>
                        <overWriteReleases>true</overWriteReleases>
                        <overWriteSnapshots>true</overWriteSnapshots>
                        <artifactItems>
                        <!-- icu4j -->
                        <artifactItem>
                            <groupId>com.ibm.icu</groupId>
                            <artifactId>icu4j</artifactId>
                            <version>${project.version}</version>
                        </artifactItem>
                        <artifactItem>
                            <groupId>com.ibm.icu</groupId>
                            <artifactId>icu4j</artifactId>
                            <version>${project.version}</version>
                            <classifier>sources</classifier>
                        </artifactItem>
                        <artifactItem>
                            <groupId>com.ibm.icu</groupId>
                            <artifactId>icu4j</artifactId>
                            <version>${project.version}</version>
                            <classifier>javadoc</classifier>
                        </artifactItem>
                        <!-- icu4j-charset -->
                        <artifactItem>
                            <groupId>com.ibm.icu</groupId>
                            <artifactId>icu4j-charset</artifactId>
                            <version>${project.version}</version>
                        </artifactItem>
                        <artifactItem>
                            <groupId>com.ibm.icu</groupId>
                            <artifactId>icu4j-charset</artifactId>
                            <version>${project.version}</version>
                            <classifier>sources</classifier>
                        </artifactItem>
                        <artifactItem>
                            <groupId>com.ibm.icu</groupId>
                            <artifactId>icu4j-charset</artifactId>
                            <version>${project.version}</version>
                            <classifier>javadoc</classifier>
                        </artifactItem>
                        <!-- icu4j-localespi -->
                        <artifactItem>
                            <groupId>com.ibm.icu</groupId>
                            <artifactId>icu4j-localespi</artifactId>
                            <version>${project.version}</version>
                        </artifactItem>
                        <artifactItem>
                            <groupId>com.ibm.icu</groupId>
                            <artifactId>icu4j-localespi</artifactId>
                            <version>${project.version}</version>
                            <classifier>sources</classifier>
                        </artifactItem>
                        <artifactItem>
                            <groupId>com.ibm.icu</groupId>
                            <artifactId>icu4j-localespi</artifactId>
                            <version>${project.version}</version>
                            <classifier>javadoc</classifier>
                        </artifactItem>
                        </artifactItems>
                    </configuration>
                </plugin>
            </plugins>
        </build>
    </profile>
  </profiles>

  <reporting>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-javadoc-plugin</artifactId>
        <reportSets>
          <reportSet>
            <id>aggregate</id>
            <inherited>false</inherited>
            <reports>
              <report>aggregate</report>
            </reports>
          </reportSet>
          <reportSet>
            <id>default</id>
            <reports>
              <report>javadoc</report>
            </reports>
          </reportSet>
        </reportSets>
      </plugin>
    </plugins>
  </reporting>

</project>