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 
  35     public static synchronized IIOMetadataFormat getInstance() {
  36         if (instance == null) {
  37             instance = new SIMPMetadataFormat();
  38         }
  39         return instance;
  40     }
  41 
  42     public boolean canNodeAppear(String elementName,
  43                                  ImageTypeSpecifier imageType) {
  44         return true;
  45     }
  46 
  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 }