1/*
2 * Copyright (c) 2015, 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/**
25 * @test
26 * @bug     8074967
27 * @summary Test verifies if there is no JFIF & EXIF header
28 *          and sampling factor is same of JPEG image, then
29 *          JPEG colorspace should not be RGB.
30 * @run     main JpegMetadataColorSpaceTest
31 */
32
33import javax.imageio.ImageIO;
34import javax.imageio.ImageReader;
35import javax.imageio.metadata.IIOMetadata;
36import javax.imageio.metadata.IIOMetadataFormatImpl;
37import javax.imageio.metadata.IIOMetadataNode;
38import javax.imageio.stream.ImageInputStream;
39import java.io.File;
40import java.io.IOException;
41import java.util.Iterator;
42
43public class JpegMetadataColorSpaceTest {
44    public static void main(String[] args) throws IOException {
45        String fileName = "nomarkers.jpg";
46        String sep = System.getProperty("file.separator");
47        String dir = System.getProperty("test.src", ".");
48        String filePath = dir+sep+fileName;
49        System.out.println("Test file: " + filePath);
50        File file = new File(filePath);
51        ImageInputStream stream = ImageIO.createImageInputStream(file);
52        Iterator<ImageReader> readers = ImageIO.getImageReaders(stream);
53
54        if(readers.hasNext()) {
55            ImageReader reader = readers.next();
56            reader.setInput(stream);
57            IIOMetadata metadata = reader.getImageMetadata(0);
58
59            IIOMetadataNode standardTree = (IIOMetadataNode)
60                metadata.getAsTree
61                (IIOMetadataFormatImpl.standardMetadataFormatName);
62            IIOMetadataNode colorSpaceType = (IIOMetadataNode)
63                standardTree.getElementsByTagName("ColorSpaceType").item(0);
64            String colorSpaceName = colorSpaceType.getAttribute("name");
65            if(colorSpaceName.equals("RGB"))
66                throw new RuntimeException("Identified incorrect ColorSpace");
67        }
68    }
69}
70