2
|
1 |
/*
|
5506
|
2 |
* Copyright (c) 1995, 1996, Oracle and/or its affiliates. All rights reserved.
|
2
|
3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
4 |
*
|
|
5 |
* This code is free software; you can redistribute it and/or modify it
|
|
6 |
* under the terms of the GNU General Public License version 2 only, as
|
5506
|
7 |
* published by the Free Software Foundation. Oracle designates this
|
2
|
8 |
* particular file as subject to the "Classpath" exception as provided
|
5506
|
9 |
* by Oracle in the LICENSE file that accompanied this code.
|
2
|
10 |
*
|
|
11 |
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
12 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
13 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
14 |
* version 2 for more details (a copy is included in the LICENSE file that
|
|
15 |
* accompanied this code).
|
|
16 |
*
|
|
17 |
* You should have received a copy of the GNU General Public License version
|
|
18 |
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
19 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
20 |
*
|
5506
|
21 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
22 |
* or visit www.oracle.com if you need additional information or have any
|
|
23 |
* questions.
|
2
|
24 |
*/
|
|
25 |
|
|
26 |
package sun.awt.image;
|
|
27 |
|
|
28 |
import java.io.InputStream;
|
|
29 |
import java.io.FileInputStream;
|
|
30 |
import java.io.BufferedInputStream;
|
|
31 |
import java.io.FileNotFoundException;
|
|
32 |
|
|
33 |
public class FileImageSource extends InputStreamImageSource {
|
|
34 |
String imagefile;
|
|
35 |
|
|
36 |
public FileImageSource(String filename) {
|
|
37 |
SecurityManager security = System.getSecurityManager();
|
|
38 |
if (security != null) {
|
|
39 |
security.checkRead(filename);
|
|
40 |
}
|
|
41 |
imagefile = filename;
|
|
42 |
}
|
|
43 |
|
|
44 |
final boolean checkSecurity(Object context, boolean quiet) {
|
|
45 |
// File based images only ever need to be checked statically
|
|
46 |
// when the image is retrieved from the cache.
|
|
47 |
return true;
|
|
48 |
}
|
|
49 |
|
|
50 |
protected ImageDecoder getDecoder() {
|
|
51 |
InputStream is;
|
|
52 |
try {
|
|
53 |
is = new BufferedInputStream(new FileInputStream(imagefile));
|
|
54 |
} catch (FileNotFoundException e) {
|
|
55 |
return null;
|
|
56 |
}
|
|
57 |
// Don't believe the file suffix - many users don't know what
|
|
58 |
// kind of image they have and guess wrong...
|
|
59 |
/*
|
|
60 |
int suffixpos = imagefile.lastIndexOf('.');
|
|
61 |
if (suffixpos >= 0) {
|
|
62 |
String suffix = imagefile.substring(suffixpos+1).toLowerCase();
|
|
63 |
if (suffix.equals("gif")) {
|
|
64 |
return new GifImageDecoder(this, is);
|
|
65 |
} else if (suffix.equals("jpeg") || suffix.equals("jpg") ||
|
|
66 |
suffix.equals("jpe") || suffix.equals("jfif")) {
|
|
67 |
return new JPEGImageDecoder(this, is);
|
|
68 |
} else if (suffix.equals("xbm")) {
|
|
69 |
return new XbmImageDecoder(this, is);
|
|
70 |
}
|
|
71 |
}
|
|
72 |
*/
|
|
73 |
return getDecoder(is);
|
|
74 |
}
|
|
75 |
}
|