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