01: /*
02: * Copyright 2000-2001 Sun Microsystems, Inc. All Rights Reserved.
03: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04: *
05: * This code is free software; you can redistribute it and/or modify it
06: * under the terms of the GNU General Public License version 2 only, as
07: * published by the Free Software Foundation. Sun designates this
08: * particular file as subject to the "Classpath" exception as provided
09: * by Sun in the LICENSE file that accompanied this code.
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: *
21: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22: * CA 95054 USA or visit www.sun.com if you need additional information or
23: * have any questions.
24: */
25:
26: package com.sun.imageio.spi;
27:
28: import java.io.File;
29: import java.util.Locale;
30: import javax.imageio.spi.ImageInputStreamSpi;
31: import javax.imageio.stream.ImageInputStream;
32: import javax.imageio.stream.FileImageInputStream;
33:
34: public class FileImageInputStreamSpi extends ImageInputStreamSpi {
35:
36: private static final String vendorName = "Sun Microsystems, Inc.";
37:
38: private static final String version = "1.0";
39:
40: private static final Class inputClass = File.class;
41:
42: public FileImageInputStreamSpi() {
43: super (vendorName, version, inputClass);
44: }
45:
46: public String getDescription(Locale locale) {
47: return "Service provider that instantiates a FileImageInputStream from a File";
48: }
49:
50: public ImageInputStream createInputStreamInstance(Object input,
51: boolean useCache, File cacheDir) {
52: if (input instanceof File) {
53: try {
54: return new FileImageInputStream((File) input);
55: } catch (Exception e) {
56: return null;
57: }
58: } else {
59: throw new IllegalArgumentException();
60: }
61: }
62: }
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