config(java): build the lib as a Java9+ module

Author: arnobl

build.gradle

@@ -10,10 +10,12 @@ buildscript {
     dependencies {
         classpath "com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.4"
         classpath "org.jfrog.buildinfo:build-info-extractor-gradle:4.5.2"
+        classpath "org.javamodularity:moduleplugin:1.5.0"
     }
 }
 
 apply plugin: "java"
+apply plugin: "org.javamodularity.moduleplugin"
 apply plugin: "maven"
 apply plugin: "maven-publish"
 apply plugin: "com.jfrog.bintray"
@@ -53,6 +55,12 @@ dependencies {
     testCompile 'org.mockito:mockito-core:1.8.5'
 }
 
+test {
+    moduleOptions {
+        runOnClasspath = true
+    }
+}
+
 task sourcesJar(type: Jar) {
     classifier = 'sources'
     from sourceSets.main.allSource

src/main/java/module-info.java

@@ -0,0 +1,14 @@
+module rxjavafx {
+	requires io.reactivex.rxjava2;
+	requires javafx.base;
+	requires javafx.graphics;
+	requires javafx.controls;
+	requires org.reactivestreams;
+
+	exports io.reactivex.rxjavafx.observables;
+	exports io.reactivex.rxjavafx.observers;
+	exports io.reactivex.rxjavafx.schedulers;
+	exports io.reactivex.rxjavafx.sources;
+	exports io.reactivex.rxjavafx.subscriptions;
+	exports io.reactivex.rxjavafx.transformers;
+}