jsrunnable.java

js 解析引擎

/* -*- Mode: Java; tab-width: 8; c-basic-offset: 4 -*-
 *
 * ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla 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/MPL/
 *
 * 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 Mozilla Communicator client code, released
 * March 31, 1998.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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package netscape.javascript;

/**
 * Runs a JavaScript object with a run() method in a separate thread.
 */
public class JSRunnable implements Runnable {
	private JSObject runnable;

	public JSRunnable(JSObject runnable) {
		this.runnable = runnable;
		synchronized(this) {
			new Thread(this).start();
			try {
				this.wait();
			} catch (InterruptedException ie) {
			}
		}
	}
	
	public void run() {
		try {
			runnable.call("run", null);
			synchronized(this) {
				notifyAll();
			}
		} catch (Throwable t) {
			System.err.println(t);
			t.printStackTrace(System.err);
		}
	}
}