80 lines
2.9 KiB
Java
80 lines
2.9 KiB
Java
/*
|
|
* Copyright (c) 1995, 1996, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation. Oracle designates this
|
|
* particular file as subject to the "Classpath" exception as provided
|
|
* by Oracle in the LICENSE file that accompanied this code.
|
|
*
|
|
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
package sun.awt.image;
|
|
|
|
import java.io.InputStream;
|
|
import java.io.FileInputStream;
|
|
import java.io.BufferedInputStream;
|
|
import java.io.FileNotFoundException;
|
|
|
|
public class FileImageSource extends InputStreamImageSource {
|
|
String imagefile;
|
|
|
|
public FileImageSource(String filename) {
|
|
SecurityManager security = System.getSecurityManager();
|
|
if (security != null) {
|
|
security.checkRead(filename);
|
|
}
|
|
imagefile = filename;
|
|
}
|
|
|
|
final boolean checkSecurity(Object context, boolean quiet) {
|
|
// File based images only ever need to be checked statically
|
|
// when the image is retrieved from the cache.
|
|
return true;
|
|
}
|
|
|
|
protected ImageDecoder getDecoder() {
|
|
if (imagefile == null) {
|
|
return null;
|
|
}
|
|
|
|
InputStream is;
|
|
try {
|
|
is = new BufferedInputStream(new FileInputStream(imagefile));
|
|
} catch (FileNotFoundException e) {
|
|
return null;
|
|
}
|
|
// Don't believe the file suffix - many users don't know what
|
|
// kind of image they have and guess wrong...
|
|
/*
|
|
int suffixpos = imagefile.lastIndexOf('.');
|
|
if (suffixpos >= 0) {
|
|
String suffix = imagefile.substring(suffixpos+1).toLowerCase();
|
|
if (suffix.equals("gif")) {
|
|
return new GifImageDecoder(this, is);
|
|
} else if (suffix.equals("jpeg") || suffix.equals("jpg") ||
|
|
suffix.equals("jpe") || suffix.equals("jfif")) {
|
|
return new JPEGImageDecoder(this, is);
|
|
} else if (suffix.equals("xbm")) {
|
|
return new XbmImageDecoder(this, is);
|
|
}
|
|
}
|
|
*/
|
|
return getDecoder(is);
|
|
}
|
|
}
|