standardmetadataformat.java

java1.6众多例子参考

/*
 * @(#)StandardMetadataFormat.java	1.10 05/11/17
 *
 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */

package com.sun.imageio.plugins.common;

import java.util.ArrayList;
import java.util.List;
import javax.imageio.ImageTypeSpecifier;
import javax.imageio.metadata.IIOMetadataFormatImpl;

public class StandardMetadataFormat extends IIOMetadataFormatImpl {

    // Utility method for nodes with a single atttribute named "value"
    private void addSingleAttributeElement(String elementName,
                                           String parentName,
                                           int dataType) {
        addElement(elementName, parentName, CHILD_POLICY_EMPTY);
        addAttribute(elementName, "value", dataType, true, null);
    }

    public StandardMetadataFormat() {
        super(standardMetadataFormatName, CHILD_POLICY_SOME);
        List values;
        
        // root -> Chroma
        addElement("Chroma", standardMetadataFormatName,
                   CHILD_POLICY_SOME);
        
        // root -> Chroma -> ColorSpaceType
        addElement("ColorSpaceType", "Chroma",
                   CHILD_POLICY_EMPTY);
        
        values = new ArrayList();
        values.add("XYZ");
        values.add("Lab");
        values.add("Luv");
        values.add("YCbCr");
        values.add("Yxy");
        values.add("YCCK");
        values.add("PhotoYCC");
        values.add("RGB");
        values.add("GRAY");
        values.add("HSV");
        values.add("HLS");
        values.add("CMYK");
        values.add("CMY");
        values.add("2CLR");
        values.add("3CLR");
        values.add("4CLR");
        values.add("5CLR");
        values.add("6CLR");
        values.add("7CLR");
        values.add("8CLR");
        values.add("9CLR");
        values.add("ACLR");
        values.add("BCLR");
        values.add("CCLR");
        values.add("DCLR");
        values.add("ECLR");
        values.add("FCLR");
        addAttribute("ColorSpaceType",
                     "name",
                     DATATYPE_STRING,
                     true,
                     null,
                     values);
        
        // root -> Chroma -> NumChannels
        addElement("NumChannels", "Chroma",
                   CHILD_POLICY_EMPTY);
        addAttribute("NumChannels", "value",
                     DATATYPE_INTEGER,
                     true,
                     0, Integer.MAX_VALUE);
        
        // root -> Chroma -> Gamma
        addElement("Gamma", "Chroma", CHILD_POLICY_EMPTY);
        addAttribute("Gamma", "value",
                     DATATYPE_FLOAT, true, null);
        
        // root -> Chroma -> BlackIsZero
        addElement("BlackIsZero", "Chroma", CHILD_POLICY_EMPTY);
        addBooleanAttribute("BlackIsZero", "value", true, true);
        
        // root -> Chroma -> Palette
        addElement("Palette", "Chroma", 0, Integer.MAX_VALUE);
        
        // root -> Chroma -> PaletteEntry
        addElement("PaletteEntry", "Palette", CHILD_POLICY_EMPTY);
        addAttribute("PaletteEntry", "index", DATATYPE_INTEGER,
                     true, null);
        addAttribute("PaletteEntry", "red", DATATYPE_INTEGER,
                     true, null);
        addAttribute("PaletteEntry", "green", DATATYPE_INTEGER,
                     true, null);
        addAttribute("PaletteEntry", "blue", DATATYPE_INTEGER,
                     true, null);
        addAttribute("PaletteEntry", "alpha", DATATYPE_INTEGER,
                     false, "255");
        
        // root -> Chroma -> BackgroundIndex
        addElement("BackgroundIndex", "Chroma", CHILD_POLICY_EMPTY);
        addAttribute("BackgroundIndex", "value", DATATYPE_INTEGER,
                     true, null);
        
        // root -> Chroma -> BackgroundColor
        addElement("BackgroundColor", "Chroma", CHILD_POLICY_EMPTY);
        addAttribute("BackgroundColor", "red", DATATYPE_INTEGER,
                     true, null);
        addAttribute("BackgroundColor", "green", DATATYPE_INTEGER,
                     true, null);
        addAttribute("BackgroundColor", "blue", DATATYPE_INTEGER,
                     true, null);
        
        // root -> Compression
        addElement("Compression", standardMetadataFormatName,
                   CHILD_POLICY_SOME);
        
        // root -> Compression -> CompressionTypeName
        addSingleAttributeElement("CompressionTypeName",
                                  "Compression",
                                  DATATYPE_STRING);
        
        // root -> Compression -> Lossless
        addElement("Lossless", "Compression", CHILD_POLICY_EMPTY);
        addBooleanAttribute("Lossless", "value", true, true);
        
        // root -> Compression -> NumProgressiveScans
        addSingleAttributeElement("NumProgressiveScans",
                                  "Compression",
                                  DATATYPE_INTEGER);
        
        // root -> Compression -> BitRate
        addSingleAttributeElement("BitRate",
                                  "Compression",
                                  DATATYPE_FLOAT);

        // root -> Data
        addElement("Data", standardMetadataFormatName,
                   CHILD_POLICY_SOME);
        
        // root -> Data -> PlanarConfiguration
        addElement("PlanarConfiguration", "Data", CHILD_POLICY_EMPTY);
        
        values = new ArrayList();
        values.add("PixelInterleaved");
        values.add("PlaneInterleaved");
        values.add("LineInterleaved");
        values.add("TileInterleaved");
        addAttribute("PlanarConfiguration", "value",
                     DATATYPE_STRING,
                     true,
                     null,
                     values);
        
        // root -> Data -> SampleFormat
        addElement("SampleFormat", "Data", CHILD_POLICY_EMPTY);
        
        values = new ArrayList();
        values.add("SignedIntegral");
        values.add("UnsignedIntegral");
        values.add("Real");
        values.add("Index");
        addAttribute("SampleFormat", "value",
                     DATATYPE_STRING,
                     true,
                     null,
                     values);
        
        // root -> Data -> BitsPerSample
        addElement("BitsPerSample", "Data",
                   CHILD_POLICY_EMPTY);
        addAttribute("BitsPerSample", "value",
                     DATATYPE_INTEGER,
                     true,
                     1, Integer.MAX_VALUE);
        
        // root -> Data -> SignificantBitsPerSample
        addElement("SignificantBitsPerSample", "Data", CHILD_POLICY_EMPTY);
        addAttribute("SignificantBitsPerSample", "value",
                     DATATYPE_INTEGER,
                     true,
                     1, Integer.MAX_VALUE);
        
        // root -> Data -> SampleMSB
        addElement("SampleMSB", "Data",
                   CHILD_POLICY_EMPTY);
        addAttribute("SampleMSB", "value",
                     DATATYPE_INTEGER,
                     true,
                     1, Integer.MAX_VALUE);
        
        // root -> Dimension
        addElement("Dimension", standardMetadataFormatName,
                   CHILD_POLICY_SOME);
        
        // root -> Dimension -> PixelAspectRatio
        addSingleAttributeElement("PixelAspectRatio",
                                  "Dimension",
                                  DATATYPE_FLOAT);
        
        // root -> Dimension -> ImageOrientation
        addElement("ImageOrientation", "Dimension",
                   CHILD_POLICY_EMPTY);
        
        values = new ArrayList();
        values.add("Normal");
        values.add("Rotate90");
        values.add("Rotate180");
        values.add("Rotate270");
        values.add("FlipH");
        values.add("FlipV");
        values.add("FlipHRotate90");
        values.add("FlipVRotate90");
        addAttribute("ImageOrientation", "value",
                     DATATYPE_STRING,
                     true,
                     null,
                     values);
        
        // root -> Dimension -> HorizontalPixelSize
        addSingleAttributeElement("HorizontalPixelSize",
                                  "Dimension",
                                  DATATYPE_FLOAT);
        
        // root -> Dimension -> VerticalPixelSize
        addSingleAttributeElement("VerticalPixelSize",
                                  "Dimension",
                                  DATATYPE_FLOAT);
        
        // root -> Dimension -> HorizontalPhysicalPixelSpacing
        addSingleAttributeElement("HorizontalPhysicalPixelSpacing",
                                  "Dimension",
                                  DATATYPE_FLOAT);
        
        // root -> Dimension -> VerticalPhysicalPixelSpacing
        addSingleAttributeElement("VerticalPhysicalPixelSpacing",