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/* Copyright (c) 2015, David A. Clunie DBA Pixelmed Publishing. All rights reserved. */
package com.pixelmed.imageio;
// follow the pattern described in "http://docs.oracle.com/javase/1.5.0/docs/guide/imageio/spec/extending.fm3.html"
import javax.imageio.ImageTypeSpecifier;
import javax.imageio.metadata.IIOMetadataFormatImpl;
public class JPEGLosslessMetadataFormat extends IIOMetadataFormatImpl {
private static final String identString = "@(#) $Header: /userland/cvs/codec/com/pixelmed/imageio/JPEGLosslessMetadataFormat.java,v 1.2 2015/10/19 15:34:42 dclunie Exp $";
// Create a single instance of this class (singleton pattern)
private static JPEGLosslessMetadataFormat defaultInstance = new JPEGLosslessMetadataFormat();
// Make constructor private to enforce the singleton pattern
private JPEGLosslessMetadataFormat() {
// Set the name of the root node
// The root node has a single child node type that may repeat
super("com.pixelmed.imageio.JPEGLosslessMetadata_0.1",
CHILD_POLICY_REPEAT);
// Set up the "KeywordValuePair" node, which has no children
addElement("KeywordValuePair",
"com.pixelmed.imageio.JPEGLosslessMetadata_0.1",
CHILD_POLICY_EMPTY);
// Set up attribute "keyword" which is a String that is required
// and has no default value
addAttribute("KeywordValuePair", "keyword", DATATYPE_STRING,
true, null);
// Set up attribute "value" which is a String that is required
// and has no default value
addAttribute("KeywordValuePair", "value", DATATYPE_STRING,
true, null);
}
// Check for legal element name
public boolean canNodeAppear(String elementName,ImageTypeSpecifier imageType) {
return elementName.equals("KeywordValuePair");
}
// Return the singleton instance
public static JPEGLosslessMetadataFormat getDefaultInstance() {
return defaultInstance;
}
}
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