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/*
* Copyright (c) 2005, 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 6287880
* @summary Test verifies that default metadata for stream and image returned by
* GIFImageWriter can be modified by the tree representation
*/
import java.awt.image.BufferedImage;
import javax.imageio.ImageIO;
import javax.imageio.ImageTypeSpecifier;
import javax.imageio.ImageWriteParam;
import javax.imageio.ImageWriter;
import javax.imageio.metadata.IIOInvalidTreeException;
import javax.imageio.metadata.IIOMetadata;
import javax.imageio.metadata.IIOMetadataNode;
public class WriteMetadataTest {
private static String format = "GIF";
public static void main(String[] args) {
ImageWriter w = ImageIO.getImageWritersByFormatName(format).next();
if (w == null) {
throw new RuntimeException("No available writers for format " + format);
}
ImageWriteParam p = w.getDefaultWriteParam();
ImageTypeSpecifier t =
ImageTypeSpecifier.createFromBufferedImageType(BufferedImage.TYPE_INT_RGB);
IIOMetadata m = w.getDefaultImageMetadata(t, p);
System.out.println("Default image metadata is " + m);
testWritableMetadata(m);
IIOMetadata sm = w.getDefaultStreamMetadata(p);
System.out.println("Default stream metadata is " + sm);
testWritableMetadata(sm);
}
public static void testWritableMetadata(IIOMetadata m) {
String nativeFormatName =
m.getNativeMetadataFormatName();
System.out.println("Format: " + nativeFormatName);
IIOMetadataNode root = (IIOMetadataNode)m.getAsTree(nativeFormatName);
if (m.isReadOnly()) {
throw new RuntimeException("Metadata is read only!");
}
try {
m.setFromTree(nativeFormatName, root);
} catch (IIOInvalidTreeException e) {
e.printStackTrace();
throw new RuntimeException("Test failed!", e);
} catch (IllegalStateException e) {
throw new RuntimeException("Test failed!", e);
}
System.out.println("Test passed.\n\n");
}
}
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