Invoke JavaScript from Java, using Mozilla Rhino

gistfile1.java

import org.mozilla.javascript.Context;
import org.mozilla.javascript.ContextFactory;
import org.mozilla.javascript.Scriptable;
import org.mozilla.javascript.tools.shell.Global;
import org.mozilla.javascript.tools.shell.Main;

public class ScriptTest {
    public static void main(String[] args) {
        final Context cx = ContextFactory.getGlobal().enterContext();
        cx.setOptimizationLevel(-1);
        cx.setLanguageVersion(Context.VERSION_1_5);

        final Global global = Main.getGlobal();
        global.init(cx);

        final Scriptable scope = cx.initStandardObjects(global);

        Main.processSource(cx, "/Users/Bryan/Programming/Libraries/thatcher-env-js-cb738b9/dist/env.rhino.js");
        Main.processSource(cx, "/Users/Bryan/Programming/Libraries/jquery-1.4.2.min.js");

        final String script = 
                "window.location = 'test.html';" +
                "var text = $('p:first').text();";

        cx.evaluateString(scope, script, "", 1, null);

        System.out.println("Text: " + scope.get("text", scope));
    }
}