pom.xml

<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/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>io.github.swagger2markup</groupId>
    <artifactId>swagger2markup-maven-project-template</artifactId>
    <version>1.3.3</version>

    <properties>
        <swagger2markup.version>1.3.1</swagger2markup.version>
        <swagger2markup.plugin.version>1.3.3</swagger2markup.plugin.version>
        <swagger2markup.extension.version>1.3.1</swagger2markup.extension.version>

        <asciidoctorj.version>1.5.5</asciidoctorj.version>
        <asciidoctorj.pdf.version>1.5.0-alpha.15</asciidoctorj.pdf.version>
        <jruby.version>9.1.8.0</jruby.version>

        <swagger.input>${project.basedir}/src/docs/swagger/swagger_petstore.yaml</swagger.input>
        <asciidoctor.input.directory>${project.basedir}/src/docs/asciidoc</asciidoctor.input.directory>
        <generated.asciidoc.directory>${project.build.directory}/asciidoc</generated.asciidoc.directory>
        <asciidoctor.html.output.directory>${project.build.directory}/asciidoc/html</asciidoctor.html.output.directory>
        <asciidoctor.pdf.output.directory>${project.build.directory}/asciidoc/pdf</asciidoctor.pdf.output.directory>
    </properties>

    <pluginRepositories>
        <pluginRepository>
            <id>jcenter-snapshots</id>
            <name>jcenter</name>
            <url>http://oss.jfrog.org/artifactory/oss-snapshot-local/</url>
        </pluginRepository>
        <pluginRepository>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
            <id>jcenter-releases</id>
            <name>jcenter</name>
            <url>http://jcenter.bintray.com</url>
        </pluginRepository>
    </pluginRepositories>

    <build>
        <plugins>
            <!-- First, use the swagger2markup plugin to generate asciidoc -->
            <plugin>
                <groupId>io.github.swagger2markup</groupId>
                <artifactId>swagger2markup-maven-plugin</artifactId>
                <version>${swagger2markup.plugin.version}</version>
                <dependencies>
                    <dependency>
                        <groupId>io.github.swagger2markup</groupId>
                        <artifactId>swagger2markup-import-files-ext</artifactId>
                        <version>${swagger2markup.extension.version}</version>
                    </dependency>
                    <dependency>
                        <groupId>io.github.swagger2markup</groupId>
                        <artifactId>swagger2markup</artifactId>
                        <version>${swagger2markup.version}</version>
                    </dependency>
                </dependencies>
                <configuration>
                    <swaggerInput>${swagger.input}</swaggerInput>
                    <outputDir>${generated.asciidoc.directory}</outputDir>
                    <config>
                        <swagger2markup.markupLanguage>ASCIIDOC</swagger2markup.markupLanguage>
                        <swagger2markup.pathsGroupedBy>TAGS</swagger2markup.pathsGroupedBy>
                        <swagger2markup.extensions.dynamicOverview.contentPath>${project.basedir}/src/docs/asciidoc/extensions/overview</swagger2markup.extensions.dynamicOverview.contentPath>
                        <swagger2markup.extensions.dynamicDefinitions.contentPath>${project.basedir}/src/docs/asciidoc/extensions/definitions</swagger2markup.extensions.dynamicDefinitions.contentPath>
                        <swagger2markup.extensions.dynamicPaths.contentPath>${project.basedir}/src/docs/asciidoc/extensions/paths</swagger2markup.extensions.dynamicPaths.contentPath>
                        <swagger2markup.extensions.dynamicSecurity.contentPath>${project.basedir}src/docs/asciidoc/extensions/security</swagger2markup.extensions.dynamicSecurity.contentPath>
                    </config>
                </configuration>
                <executions>
                    <execution>
                        <phase>generate-sources</phase>
                        <goals>
                            <goal>convertSwagger2markup</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>

            <!-- Run the generated asciidoc through Asciidoctor to generate
                 other documentation types, such as PDFs or HTML5 -->
            <plugin>
                <groupId>org.asciidoctor</groupId>
                <artifactId>asciidoctor-maven-plugin</artifactId>
                <version>1.5.5</version>
                <!-- Include Asciidoctor PDF for pdf generation -->
                <dependencies>
                    <dependency>
                        <groupId>org.asciidoctor</groupId>
                        <artifactId>asciidoctorj-pdf</artifactId>
                        <version>${asciidoctorj.pdf.version}</version>
                    </dependency>
                    <!-- Comment this section to use the default jruby artifact provided by the plugin -->
                    <dependency>
                        <groupId>org.jruby</groupId>
                        <artifactId>jruby-complete</artifactId>
                        <version>${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>${asciidoctorj.version}</version>
                    </dependency>
                </dependencies>
                <!-- Configure generic document generation settings -->
                <configuration>
                    <sourceDirectory>${asciidoctor.input.directory}</sourceDirectory>
                    <sourceDocumentName>index.adoc</sourceDocumentName>
                    <attributes>
                        <doctype>book</doctype>
                        <toc>left</toc>
                        <toclevels>3</toclevels>
                        <numbered></numbered>
                        <hardbreaks></hardbreaks>
                        <sectlinks></sectlinks>
                        <sectanchors></sectanchors>
                        <generated>${generated.asciidoc.directory}</generated>
                    </attributes>
                </configuration>
                <!-- Since each execution can only handle one backend, run
                     separate executions for each desired output type -->
                <executions>
                    <execution>
                        <id>output-html</id>
                        <phase>generate-resources</phase>
                        <goals>
                            <goal>process-asciidoc</goal>
                        </goals>
                        <configuration>
                            <backend>html5</backend>
                            <outputDirectory>${asciidoctor.html.output.directory}</outputDirectory>
                        </configuration>
                    </execution>

                    <execution>
                        <id>output-pdf</id>
                        <phase>generate-resources</phase>
                        <goals>
                            <goal>process-asciidoc</goal>
                        </goals>
                        <configuration>
                            <backend>pdf</backend>
                            <outputDirectory>${asciidoctor.pdf.output.directory}</outputDirectory>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>
</project>