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 
SIMPMetadata()37    public SIMPMetadata() {
38        super(true,
39              nativeMetadataFormatName, "simp.SIMPMetadataFormat", null, null);
40    }
41 
SIMPMetadata(int width, int height)42    public SIMPMetadata(int width, int height) {
43        this();
44        this.width = width;
45        this.height = height;
46    }
47 
isReadOnly()48    public boolean isReadOnly() {
49         return true;
50    }
51 
setFromTree(String formatName, Node root)52    public void setFromTree(String formatName, Node root) {
53     }
54 
mergeTree(String formatName, Node root)55     public void mergeTree(String formatName, Node root) {
56         throw new IllegalStateException("read only metadata");
57     }
58 
reset()59     public void reset() {
60         throw new IllegalStateException("read only metadata");
61     }
62 
addChildNode(IIOMetadataNode root, String name, Object object)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 
getNativeTree()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 
getAsTree(String formatName)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 
95