gecko-dev/js/rhino/examples/RunScript4.java

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2.6 KiB
Java

/* -*- 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 oqr
* 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.*;
/**
* RunScript4: Execute scripts in an environment that includes the
* example Counter class.
*
* @author Norris Boyd
*/
public class RunScript4 {
public static void main(String args[])
throws Exception
{
Context cx = Context.enter();
Scriptable scope = cx.initStandardObjects(null);
// Use the Counter class to define a Counter constructor
// and prototype in JavaScript.
ScriptableObject.defineClass(scope, Counter.class);
// Create an instance of Counter and assign it to
// the top-level variable "myCounter". This is
// equivalent to the JavaScript code
// myCounter = new Counter(7);
Object[] arg = { new Integer(7) };
Scriptable myCounter = cx.newObject(scope, "Counter", arg);
scope.put("myCounter", scope, myCounter);
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(cx.toString(result));
Context.exit();
}
}