download rhino&engine and run sample

build.sh

#!/bin/sh
# 2015/2/1
# 
# A script for downloading rhino & engine source, build jars, and write & execute simple program.
# 
# see https://java.net/projects/Scripting
#     https://wiki.openjdk.java.net/display/Nashorn/Using+Rhino+JSR-223+engine+with+JDK8

# change this variable 
RHINO_VERSION=rhino1.8.0-SNAPSHOT




echo -- downloading Rhino
git clone https://github.com/mozilla/rhino.git
cd rhino
ant jar

JS_JAR=rhino/build/${RHINO_VERSION}/js.jar 

cd ..

echo -- downloading JavaScript engine
svn co https://svn.java.net/svn/scripting~svn/trunk/engines/javascript

cp -f ${JS_JAR} javascript/lib
cd javascript/make
ant all
cd ../..

JS_ENGINE_JAR=javascript/build/js-engine.jar

TARGET_DIR=result
mkdir ${TARGET_DIR}
cp ${JS_JAR} ${TARGET_DIR}
cp ${JS_ENGINE_JAR} ${TARGET_DIR}

echo done.


echo -- write source
echo "import javax.script.*;\n\
public class Main {\n\
    public static void main(String[] args) throws Exception {\n\
        ScriptEngineManager m = new ScriptEngineManager();\n\
        // specifically look for "rhino" engine\n\
        ScriptEngine engine = m.getEngineByName(\"rhino\");\n\
        System.out.println(\"engine:\" + engine.getClass().getSimpleName());\n\
        System.out.println(engine.eval(\"33 + 232\"));\n\
    }\\n
}"> ${TARGET_DIR}/Main.java 

cd ${TARGET_DIR}

echo -- compile
javac -cp .:js.jar:js-engine.jar Main.java

echo -- execute
java -cp .:js.jar:js-engine.jar Main

cd ..

echo "rm -rf javascript rhino result" > cleanup.sh