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

80 строки
2.7 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 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):
* Norris Boyd
*
* 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.*;
/**
* An example illustrating how to create a JavaScript object and retrieve
* properties and call methods.
* <p>
* Output should be:
* <pre>
* count = 0
* count = 1
* resetCount
* count = 0
* </pre>
*/
public class CounterTest {
public static void main(String[] args) throws Exception
{
Context cx = Context.enter();
try {
Scriptable scope = cx.initStandardObjects();
ScriptableObject.defineClass(scope, Counter.class);
Scriptable testCounter = cx.newObject(scope, "Counter");
Object count = ScriptableObject.getProperty(testCounter, "count");
System.out.println("count = " + count);
count = ScriptableObject.getProperty(testCounter, "count");
System.out.println("count = " + count);
ScriptableObject.callMethod(testCounter,
"resetCount",
new Object[0]);
System.out.println("resetCount");
count = ScriptableObject.getProperty(testCounter, "count");
System.out.println("count = " + count);
} finally {
Context.exit();
}
}
}