/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * The contents of this file are subject to the Netscape Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/NPL/
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * The Original Code is Rhino code, released
 * May 6, 1998.
 *
 * The Initial Developer of the Original Code is Netscape
 * Communications Corporation.  Portions created by Netscape are
 * Copyright (C) 1999 Netscape Communications Corporation. All
 * Rights Reserved.
 *
 * Contributor(s): 
 *
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU Public License (the "GPL"), in which case the
 * provisions of the GPL are applicable instead of those above.
 * If you wish to allow use of your version of this file only
 * under the terms of the GPL and not to allow others to use your
 * version of this file under the NPL, indicate your decision by
 * deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL.  If you do not delete
 * the provisions above, a recipient may use your version of this
 * file under either the NPL or the GPL.
 */

import org.mozilla.javascript.*;

/**
 * RunScript3: Example of using JavaScript objects
 * 
 * Collects its arguments from the command line, executes the 
 * script, and then ...
 * 
 * @author Norris Boyd
 */
public class RunScript3 {
    public static void main(String args[]) 
        throws JavaScriptException 
    {
        Context cx = Context.enter();
        Scriptable scope = cx.initStandardObjects(null);
        
        // Collect the arguments into a single string.
        String s = "";
        for (int i=0; i < args.length; i++)
            s += args[i];
        
        // Now evaluate the string we've colected. We'll ignore the result.
        cx.evaluateString(scope, s, "<cmd>", 1, null);

        // Print the value of variable "x"
        Object x = scope.get("x", scope);
        if (x == Scriptable.NOT_FOUND)
            System.out.println("x is not defined.");
        else
            System.out.println("x = " + Context.toString(x));

        // Call function "f('my arg')" and print its result.
        Object f = scope.get("f", scope);
        if (!(f instanceof Function))
            System.out.println("f is undefined or not a function.");
        else {
            Object functionArgs[] = { "my arg" };
            Object result = ((Function) f).call(cx, scope, scope, functionArgs);
            System.out.println("f('my args') = " + Context.toString(result));
        }
        
        Context.exit();
    }
}

