01: /*
02: * @(#)AppletResourceLoader.java 1.46 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 sun.applet;
29:
30: import java.net.URL;
31: import java.awt.Image;
32: import sun.misc.Ref;
33: import java.util.Hashtable;
34: import java.applet.AudioClip;
35:
36: /**
37: * Part of this class still remains only to support legacy, 100%-impure
38: * applications such as HotJava 1.0.1.
39: */
40: public class AppletResourceLoader {
41:
42: /*
43: * Where we store AppletAudioClips. This will be the audio
44: * hashtable for the browser or appletviewer. We'll put ONLY
45: * objects of type AudioClip into this hashtable.
46: */
47:
48: static private Hashtable audioHash = new Hashtable();
49:
50: public static Image getImage(URL url) {
51: return AppletViewer.getCachedImage(url);
52: }
53:
54: public static Ref getImageRef(URL url) {
55: return AppletViewer.getCachedImageRef(url);
56: }
57:
58: public static void flushImages() {
59: AppletViewer.flushImageCache();
60: }
61:
62: public static synchronized AudioClip getAudioClip(URL url) {
63: System.getSecurityManager().checkConnect(url.getHost(),
64: url.getPort());
65: AudioClip clip = (AudioClip) audioHash.get(url);
66: if (clip == null) {
67: audioHash.put(url, clip = new AppletAudioClip(url));
68: }
69: return clip;
70: }
71:
72: public static void flushAudioClips() {
73: audioHash = new Hashtable();
74: }
75: }
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