File: RunScript2.java

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/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

import org.mozilla.javascript.*;

/**
 * RunScript2: Like RunScript, but reflects the System.out into JavaScript.
 *
 * @author Norris Boyd
 */
public class RunScript2 {
    public static void main(String args[])
    {
        Context cx = Context.enter();
        try {
            Scriptable scope = cx.initStandardObjects();

            // Add a global variable "out" that is a JavaScript reflection
            // of System.out
            Object jsOut = Context.javaToJS(System.out, scope);
            ScriptableObject.putProperty(scope, "out", jsOut);

            String s = "";
            for (int i=0; i < args.length; i++) {
                s += args[i];
            }
            Object result = cx.evaluateString(scope, s, "<cmd>", 1, null);
            System.err.println(Context.toString(result));
        } finally {
            Context.exit();
        }
    }

}