1/*
2 * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
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
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle 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 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.
24 */
25
26package com.sun.imageio.spi;
27
28import java.io.File;
29import java.util.Locale;
30import javax.imageio.spi.ImageInputStreamSpi;
31import javax.imageio.stream.ImageInputStream;
32import javax.imageio.stream.FileImageInputStream;
33
34public class FileImageInputStreamSpi extends ImageInputStreamSpi {
35
36    private static final String vendorName = "Oracle Corporation";
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,
52                                                      File cacheDir) {
53        if (input instanceof File) {
54            try {
55                return new FileImageInputStream((File)input);
56            } catch (Exception e) {
57                return null;
58            }
59        } else {
60            throw new IllegalArgumentException();
61        }
62    }
63}
64