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>
    <groupId>org.asciidoctor.maven</groupId>
    <artifactId>asciidoc-to-html-multipage-example</artifactId>
    <version>1.0.0-SNAPSHOT</version>
    <name>AsciiDoc to Multiple HTML Pages Maven Example</name>
    <description>An example project that demonstrates how to integrate convert Asciidoc to multipage with
        the Asciidoctor Maven plugin.
    </description>

    <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>
        <asciidoctor.maven.plugin.version>3.0.0</asciidoctor.maven.plugin.version>
        <asciidoctorj.version>2.5.11</asciidoctorj.version>
        <asciidoctor-multipage.version>0.0.16</asciidoctor-multipage.version>
        <jruby.version>9.4.5.0</jruby.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>rubygems</groupId>
            <artifactId>asciidoctor-multipage</artifactId>
            <version>${asciidoctor-multipage.version}</version>
            <type>gem</type>
            <exclusions>
                <exclusion>
                    <groupId>rubygems</groupId>
                    <artifactId>asciidoctor</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
    </dependencies>

    <build>
        <defaultGoal>process-resources</defaultGoal>
        <extensions>
            <extension> <!-- this allows us to download gems -->
                <groupId>org.torquebox.mojo</groupId>
                <artifactId>mavengem-wagon</artifactId>
                <version>1.0.3</version>
            </extension>
        </extensions>
        <plugins>
            <plugin>
                <groupId>de.saumya.mojo</groupId>
                <artifactId>gem-maven-plugin</artifactId>
                <version>2.0.1</version>
                <configuration>
                    <jrubyVersion>${jruby.version}</jrubyVersion>
                    <gemHome>${project.build.directory}/gems</gemHome>
                    <gemPath>${project.build.directory}/gems</gemPath>
                </configuration>
                <executions>
                    <!-- Install required gems in target directory -->
                    <execution>
                        <id>install-gems</id>
                        <goals>
                            <goal>initialize</goal>
                        </goals>
                        <phase>initialize</phase>
                    </execution>
                </executions>
            </plugin>
            <plugin>
                <groupId>org.asciidoctor</groupId>
                <artifactId>asciidoctor-maven-plugin</artifactId>
                <version>${asciidoctor.maven.plugin.version}</version>
                <dependencies>
                    <!-- Comment this section to use the default jruby artifact provided by the plugin -->
                    <dependency>
                        <groupId>org.jruby</groupId>
                        <artifactId>jruby</artifactId>
                        <version>${jruby.version}</version>
                    </dependency>
                    <!-- Comment this section to use the default AsciidoctorJ artifact provided by the plugin -->
                    <dependency>
                        <groupId>org.asciidoctor</groupId>
                        <artifactId>asciidoctorj</artifactId>
                        <version>${asciidoctorj.version}</version>
                    </dependency>
                </dependencies>
                <configuration>
                    <sourceDirectory>src/docs/asciidoc</sourceDirectory>
                    <attributes>
                        <basedir>${project.basedir}</basedir>
                        <project-version>${project.version}</project-version>
                        <sourcedir>${project.build.sourceDirectory}</sourcedir>
                        <source-highlighter>rouge</source-highlighter>
                        <rouge-style>github</rouge-style>
                        <icons>font</icons>
                        <linkcss>true</linkcss>
                        <stylesdir>assets/styles</stylesdir>
                        <toclevels>3</toclevels>
                        <sectnums>true</sectnums>
                        <sectnumlevels>3</sectnumlevels>
                        <sectanchors>true</sectanchors>
                    </attributes>
                </configuration>
                <executions>
                    <execution>
                        <id>generate-multipage</id>
                        <phase>process-resources</phase>
                        <goals>
                            <goal>process-asciidoc</goal>
                        </goals>
                        <configuration>
                            <backend>multipage_html5</backend>
                            <doctype>book</doctype>

                            <gemPath>${project.build.directory}/gems</gemPath>
                            <requires>
                                <require>asciidoctor-multipage</require>
                            </requires>

                            <outputDirectory>${project.build.directory}/docs/multipage</outputDirectory>

                            <attributes>
                                <toc>left</toc>
                            </attributes>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

    <repositories>
        <repository>
            <id>mavengems</id>
            <url>mavengem:https://rubygems.org</url>
        </repository>
    </repositories>
</project>