EvalTest.java

/*
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package com.sun.script.jruby.test;

import java.io.FileNotFoundException;
import java.io.FileReader;
import java.util.ArrayList;
import java.util.List;
import javax.script.Bindings;
import javax.script.ScriptContext;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import javax.script.ScriptException;
import javax.script.SimpleScriptContext;

/**
 * EvalTest.java
 * @author Yoko Harada
 */
public class EvalTest {

    public static void main(String[] args) throws FileNotFoundException, ScriptException {
        String basedir = System.getProperty("base.dir");
        ScriptEngineManager manager = new ScriptEngineManager();
        ScriptEngine engine = manager.getEngineByName("jruby");
        
        //give global varibales to runime by context in the super class
        engine.put("who", new String("Ichiro"));
        List<String> people = new ArrayList<String>();
        people.add("Julia");
        people.add("Johnny");
        engine.put("people", people);
        engine.eval(new FileReader(basedir+"/src/main/ruby/greetings.rb"));
        
        //give global variables to runtime by Bindings
        Bindings bindings = engine.createBindings();
        bindings.put("who", new String("Harry"));
        people.add("Keira");
        people.add("Keith");
        bindings.put("people", people);
        engine.eval(new FileReader(basedir+"/src/main/ruby/greetings.rb"), bindings);
        
        //give global varibales to runtime by context created
        SimpleScriptContext context = new SimpleScriptContext();
        context.setAttribute("who", new String("George"), ScriptContext.ENGINE_SCOPE);
        people.add("Luke");
        people.add("Lindsay");
        context.setAttribute("people", people, ScriptContext.ENGINE_SCOPE);
        engine.eval(new FileReader(basedir+"/src/main/ruby/greetings.rb"), context);
        
        String script = "puts \"Good evening, #{$who}.\";"+
            "print \"Hello\", $people;" +
            "print \"#{$people.size + 1} in total.\"";
        
        //give global varibales to runime by context in the super class
        engine.put("who", new String("Fred"));
        people.add("Matt");
        people.add("Mariah");
        engine.eval(new String(script));
        
        //give global variables to runtime by Bindings
        bindings.put("who", new String("Elliott"));
        people.add("Nicole");
        people.add("Nicolas");
        engine.eval(new String(script), bindings);
        
        //give global varibales to runtime by context created
        context.setAttribute("who", new String("Drew"), ScriptContext.ENGINE_SCOPE);
        people.add("Olivia");
        people.add("Orlando");
        engine.eval(new String(script), context);
    }
}