1/*
2 * Copyright (c) 2005, 2017, 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 6319418
27 * @summary Test verifies that GIF stream metadata could be merged with tree
28 *          representation for all supported formats
29 */
30
31import javax.imageio.ImageIO;
32import javax.imageio.ImageWriteParam;
33import javax.imageio.ImageWriter;
34import javax.imageio.metadata.IIOInvalidTreeException;
35import javax.imageio.metadata.IIOMetadata;
36
37import org.w3c.dom.Node;
38
39public class StreamMetadataTest {
40    protected static final String format = "GIF";
41
42    ImageWriter writer = null;
43    IIOMetadata streamData = null;
44    ImageWriteParam wparam = null;
45    boolean doMerge = true;
46
47    public StreamMetadataTest() {
48        writer = ImageIO.getImageWritersByFormatName(format).next();
49        wparam = writer.getDefaultWriteParam();
50        streamData = writer.getDefaultStreamMetadata(wparam);
51    }
52
53    public void doTest() throws IIOInvalidTreeException {
54        if (streamData == null) {
55            throw new RuntimeException("No stream metadata available");
56        }
57
58        String[] formatNames = streamData.getMetadataFormatNames();
59        for(String fname : formatNames) {
60            System.out.println("Format name: " + fname);
61            Node root = streamData.getAsTree(fname);
62            if (streamData.isReadOnly()) {
63                throw new RuntimeException("Stream metadata is readonly!");
64            }
65            streamData.reset();
66            streamData.mergeTree(fname, root);
67        }
68    }
69
70    public static void main(String args[]) {
71        StreamMetadataTest test = new StreamMetadataTest();
72        try {
73            test.doTest();
74        } catch (Exception e) {
75            throw new RuntimeException("Test failed.", e);
76        }
77    }
78}
79