1/*
2 * Copyright (c) 2016, 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     6294607
27  * @summary Test verifies whether ImageWriteParam.getCompressionTypes()
28  *          returns any duplicate compression type for ImageIO plugins.
29  * @run     main ImageCompressionTypesTest
30  */
31
32import java.util.Iterator;
33import javax.imageio.ImageIO;
34import javax.imageio.ImageWriteParam;
35import javax.imageio.ImageWriter;
36
37public class ImageCompressionTypesTest {
38
39    static ImageWriter writer = null;
40
41    public ImageCompressionTypesTest(String format) {
42        Iterator it = ImageIO.getImageWritersByFormatName(format);
43        while (it.hasNext()) {
44            writer = (ImageWriter) it.next();
45            break;
46        }
47        ImageWriteParam param = writer.getDefaultWriteParam();
48
49        param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
50        System.out.println("Checking compression types for : " + format);
51        String compTypes[] = param.getCompressionTypes();
52        if (compTypes.length > 1) {
53            for (int i = 0; i < compTypes.length; i++) {
54                for (int j = i + 1; j < compTypes.length; j++) {
55                    if (compTypes[i].equalsIgnoreCase(compTypes[j])) {
56                        throw new RuntimeException("Duplicate compression"
57                                + " type exists for image format " + format);
58                    }
59                }
60            }
61        }
62    }
63
64    public static void main(String args[]) {
65        final String[] formats = {"bmp", "png", "gif", "jpg", "tiff"};
66        for (String format : formats) {
67            new ImageCompressionTypesTest(format);
68        }
69    }
70}
71
72