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 package simp; 25 26 import javax.imageio.metadata.IIOMetadata; 27 import javax.imageio.metadata.IIOMetadataNode; 28 import javax.imageio.metadata.IIOMetadataFormatImpl; 29 import org.w3c.dom.Node; 30 31 public class SIMPMetadata extends IIOMetadata { 32 33 static final String nativeMetadataFormatName = "simp_metadata_1.0"; 34 35 private int width, height; 36 37 public SIMPMetadata() { 38 super(true, 39 nativeMetadataFormatName, "simp.SIMPMetadataFormat", null, null); 40 } 41 42 public SIMPMetadata(int width, int height) { 43 this(); 44 this.width = width; 45 this.height = height; 46 } 47 48 public boolean isReadOnly() { 49 return true; 50 } 51 52 public void setFromTree(String formatName, Node root) { 53 } 54 55 public void mergeTree(String formatName, Node root) { 56 throw new IllegalStateException("read only metadata"); 57 } 58 59 public void reset() { 60 throw new IllegalStateException("read only metadata"); 61 } 62 63 private IIOMetadataNode addChildNode(IIOMetadataNode root, 64 String name, 65 Object object) { 66 IIOMetadataNode child = new IIOMetadataNode(name); 67 if (object != null) { 68 child.setUserObject(object); 69 child.setNodeValue(object.toString()); 70 } 71 root.appendChild(child); 72 return child; 73 } 74 75 private Node getNativeTree() { 76 IIOMetadataNode root = 77 new IIOMetadataNode(nativeMetadataFormatName); 78 addChildNode(root, "width", width); 79 addChildNode(root, "weight", height); 80 return root; 81 } 82 83 public Node getAsTree(String formatName) { 84 if (formatName.equals(nativeMetadataFormatName)) { 85 return getNativeTree(); 86 } else if (formatName.equals 87 (IIOMetadataFormatImpl.standardMetadataFormatName)) { 88 return getStandardTree(); 89 } else { 90 throw new IllegalArgumentException("unsupported format"); 91 } 92 } 93 } 94