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Counter.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.ScriptableObject;

import org.mozilla.javascript.annotations.JSConstructor;

import org.mozilla.javascript.annotations.JSFunction;

import org.mozilla.javascript.annotations.JSGetter;

public class Counter extends ScriptableObject {

private static final long serialVersionUID = 438270592527335642L;

// The zero-argument constructor used by Rhino runtime to create instances

public Counter() { }

// @JSConstructor annotation defines the JavaScript constructor

@JSConstructor

public Counter(int a) { count = a; }

// The class name is defined by the getClassName method

@Override

public String getClassName() { return "Counter"; }

// The method getCount defines the count property.

@JSGetter

public int getCount() { return count++; }

// Methods can be defined the @JSFunction annotation.

// Here we define resetCount for JavaScript.

@JSFunction

public void resetCount() { count = 0; }

private int count;

}