01: /*
02: * @(#)XletClassLoader.java 1.5 06/10/10
03: *
04: * Copyright 1990-2006 Sun Microsystems, Inc. All Rights Reserved.
05: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
06: *
07: * This program is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU General Public License version
09: * 2 only, as published by the Free Software Foundation.
10: *
11: * This program is distributed in the hope that it will be useful, but
12: * WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * General Public License version 2 for more details (a copy is
15: * included at /legal/license.txt).
16: *
17: * You should have received a copy of the GNU General Public License
18: * version 2 along with this work; if not, write to the Free Software
19: * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA
21: *
22: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
23: * Clara, CA 95054 or visit www.sun.com if you need additional
24: * information or have any questions.
25: *
26: */
27:
28: package com.sun.xlet;
29:
30: import java.net.URLClassLoader;
31: import java.net.URL;
32:
33: import sun.awt.AppContext;
34:
35: public class XletClassLoader extends URLClassLoader {
36: XletManager xletManager;
37:
38: protected XletClassLoader(URL[] paths) {
39: super (paths, null);
40: }
41:
42: void setXletManager(XletManager manager) {
43: xletManager = manager;
44: }
45:
46: AppContext getAppContext() {
47: return xletManager.appContext;
48: }
49:
50: ThreadGroup getThreadGroup() {
51: return xletManager.threadGroup;
52: }
53:
54: /**
55: * Override loadClass so we can checkPackageAccess.
56: */
57: public synchronized Class loadClass(String name, boolean resolve)
58: throws ClassNotFoundException {
59: int i = name.lastIndexOf('.');
60: if (i != -1) {
61: SecurityManager sm = System.getSecurityManager();
62: if (sm != null) {
63: sm.checkPackageAccess(name.substring(0, i));
64: }
65: }
66: return (super.loadClass(name, resolve));
67: }
68: }
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