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 
  33 import javax.imageio.ImageIO;
  34 import javax.imageio.ImageReader;
  35 import javax.imageio.metadata.IIOMetadata;
  36 import javax.imageio.metadata.IIOMetadataFormatImpl;
  37 import javax.imageio.metadata.IIOMetadataNode;
  38 import javax.imageio.stream.ImageInputStream;
  39 import java.io.File;
  40 import java.io.IOException;
  41 import java.util.Iterator;
  42 
  43 public class JpegMetadataColorSpaceTest {
  44     public static void main(String[] args) throws IOException {
  45         String fileName = "openjdk.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 }