Sai is a runtime environment for programs written in ECMAScript 5.1 that runs on top of JVM. This project forked from Nashorn.
JAR file is in Maven repository. You can add the following setting to pom.xml.
<dependency>
<groupId>org.codelibs</groupId>
<artifactId>sai</artifactId>
<version>0.2.0</version>
</dependency>
ant -f make/build.xml