XJC code generation with Gradle and Kotlin

build.gradle

/*
 * This file was generated by the Gradle 'init' task.
 *
 * This generated file contains a sample Kotlin application project to get you started.
 */

plugins {
    // Apply the Kotlin JVM plugin to add support for Kotlin on the JVM.
    id 'org.jetbrains.kotlin.jvm' version '1.3.21'

    // Apply the application plugin to add support for building a CLI application.
    id 'application'

    /* Generate Java code from XSD */
    id 'org.unbroken-dome.xjc' version '1.4.3'
}

/* START: Make xjcGenerate work with Kotlin */
xjc {
    includeInMainCompilation = false
}

sourceSets {
    main { java { srcDir xjcGenerate.outputDirectory } }
}

compileKotlin {
    dependsOn xjcGenerate
}
/* END: Make xjcGenerate work with Kotlin */

repositories {
    // Use jcenter for resolving your dependencies.
    // You can declare any Maven/Ivy/file repository here.
    jcenter()
}

dependencies {
    /* Add JAXB dependencies for Java 11 */
    implementation 'javax.xml.bind:jaxb-api:2.3.1'
    // implementation 'com.sun.xml.bind:jaxb-core:2.3.0'
    // implementation 'com.sun.xml.bind:jaxb-impl:2.3.1'

    // Use the Kotlin JDK 8 standard library.
    implementation 'org.jetbrains.kotlin:kotlin-stdlib-jdk8'

    // Use the Kotlin test library.
    testImplementation 'org.jetbrains.kotlin:kotlin-test'

    // Use the Kotlin JUnit integration.
    testImplementation 'org.jetbrains.kotlin:kotlin-test-junit'
}

// Define the main class for the application.
mainClassName = 'demo.gradle.kotlin.AppKt'