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 java.util.Arrays;
27 import javax.imageio.ImageTypeSpecifier;
28 import javax.imageio.metadata.IIOMetadataFormat;
29 import javax.imageio.metadata.IIOMetadataFormatImpl;
30 
31 public class SIMPMetadataFormat extends IIOMetadataFormatImpl {
32 
33     private static IIOMetadataFormat instance = null;
34 
getInstance()35     public static synchronized IIOMetadataFormat getInstance() {
36         if (instance == null) {
37             instance = new SIMPMetadataFormat();
38         }
39         return instance;
40     }
41 
canNodeAppear(String elementName, ImageTypeSpecifier imageType)42     public boolean canNodeAppear(String elementName,
43                                  ImageTypeSpecifier imageType) {
44         return true;
45     }
46 
SIMPMetadataFormat()47     private SIMPMetadataFormat() {
48         super(SIMPMetadata.nativeMetadataFormatName,
49               CHILD_POLICY_SOME);
50 
51         addElement("ImageDescriptor",
52                    SIMPMetadata.nativeMetadataFormatName,
53                    CHILD_POLICY_EMPTY);
54 
55         addAttribute("ImageDescriptor", "width",
56                      DATATYPE_INTEGER, true, null,
57                      "1", "127", true, true);
58         addAttribute("ImageDescriptor", "height",
59                      DATATYPE_INTEGER, true, null,
60                      "1", "127", true, true);
61     }
62 }
63