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Sample Application

This (really simple ;) application shows how to use Kotlin and the maven plugin to generate JavaScript and invoke it from inside a HTML web page.

The source Hello.kt uses the kotlin.browser API to access the document property to modify the HTML.

Running the sample in a web browser

To run the example try:

cd libraries/examples/browser-example
mvn install
open sample.html

This should open a browser which then shows some simple HTML which then includes some dynamically generated content.

Running the sample on Java 7 with JavaFX and kool.io's browser

You can also run the sample as Java code on a JVM using JavaFX (which includes its own webkit rendering engine for HTML / CSS / JS support) using the kool.io JavaFX browser.

First you need to install Java 7 update 4 or later which ships with JavaFX.

You will need to setup JAVA_HOME and PATH environment variables to point to the latest JDK. If you install Java 7 and use a Mac you might want to run this first...

export JAVA_HOME=/Library/Java/JavaVirtualMachines/1.7.0.jdk/Contents/Home
export PATH=$JAVA_HOME/bin:$PATH

You can check you have JavaFX in your JDK install via

ls -l $JAVA_HOME/jre/lib/jfxrt.jar

which should find the JavaFX runtime jar (jfxrt.jar).

Running the sample in JavaFX

To run the sample try...

mvn test -Pjavafx

Assuming you've Java 7 enabled and JAVA_HOME points to the JRE/JDK for Java 7 or later which includes JavaFX.

This should popup a JVM process with an embedded webkit based browser running the application; using the compiled bytecode on the JVM rather than JavaScript.