JDK14/Java14源码在线阅读

/*
 * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package com.sun.imageio.plugins.jpeg;

import javax.imageio.metadata.IIOMetadataFormat;
import javax.imageio.metadata.IIOMetadataFormatImpl;
import javax.imageio.ImageTypeSpecifier;

import java.awt.color.ICC_Profile;
import java.awt.color.ColorSpace;
import java.awt.image.ColorModel;

import java.util.List;
import java.util.ArrayList;

public class JPEGImageMetadataFormat extends JPEGMetadataFormat {

    private static JPEGImageMetadataFormat theInstance = null;

    private JPEGImageMetadataFormat() {
        super(JPEG.nativeImageMetadataFormatName,
              CHILD_POLICY_ALL);

        addElement("JPEGvariety",
                   JPEG.nativeImageMetadataFormatName,
                   CHILD_POLICY_CHOICE);

        addElement("markerSequence",
                   JPEG.nativeImageMetadataFormatName,
                   CHILD_POLICY_SEQUENCE);

        addElement("app0JFIF", "JPEGvariety", CHILD_POLICY_SOME);

        addStreamElements("markerSequence");

        addElement("app14Adobe", "markerSequence", CHILD_POLICY_EMPTY);

        addElement("sof", "markerSequence", 1, 4);

        addElement("sos", "markerSequence", 1, 4);

        addElement("JFXX", "app0JFIF", 1, Integer.MAX_VALUE);

        addElement("app0JFXX", "JFXX", CHILD_POLICY_CHOICE);

        addElement("app2ICC", "app0JFIF", CHILD_POLICY_EMPTY);

        addAttribute("app0JFIF",
                     "majorVersion",
                     DATATYPE_INTEGER,
                     false,
                     "1",
                     "0", "255",
                     true, true);
        addAttribute("app0JFIF",
                     "minorVersion",
                     DATATYPE_INTEGER,
                     false,
                     "2",
                     "0", "255",
                     true, true);
        List<String> resUnits = new ArrayList<>();
        resUnits.add("0");
        resUnits.add("1");
        resUnits.add("2");
        addAttribute("app0JFIF",
                     "resUnits",
                     DATATYPE_INTEGER,
                     false,
                     "0",
                     resUnits);
        addAttribute("app0JFIF",
                     "Xdensity",
                     DATATYPE_INTEGER,
                     false,
                     "1",
                     "1", "65535",
                     true, true);
        addAttribute("app0JFIF",
                     "Ydensity",
                     DATATYPE_INTEGER,
                     false,
                     "1",
                     "1", "65535",
                     true, true);
        addAttribute("app0JFIF",
                     "thumbWidth",
                     DATATYPE_INTEGER,
                     false,
                     "0",
                     "0", "255",
                     true, true);
        addAttribute("app0JFIF",
                     "thumbHeight",
                     DATATYPE_INTEGER,
                     false,
                     "0",
                     "0", "255",
                     true, true);

        addElement("JFIFthumbJPEG", "app0JFXX", CHILD_POLICY_SOME);
        addElement("JFIFthumbPalette", "app0JFXX", CHILD_POLICY_EMPTY);
        addElement("JFIFthumbRGB", "app0JFXX", CHILD_POLICY_EMPTY);

        List<String> codes = new ArrayList<>();
        codes.add("16"); // Hex 10
        codes.add("17"); // Hex 11
        codes.add("19"); // Hex 13
        addAttribute("app0JFXX",
                     "extensionCode",
                     DATATYPE_INTEGER,
                     false,
                     null,
                     codes);

        addChildElement("markerSequence", "JFIFthumbJPEG");

        addAttribute("JFIFthumbPalette",
                     "thumbWidth",
                     DATATYPE_INTEGER,
                     false,
                     null,
                     "0", "255",
                     true, true);
        addAttribute("JFIFthumbPalette",
                     "thumbHeight",
                     DATATYPE_INTEGER,
                     false,
                     null,
                     "0", "255",
                     true, true);

        addAttribute("JFIFthumbRGB",
                     "thumbWidth",
                     DATATYPE_INTEGER,
                     false,
                     null,
                     "0", "255",
                     true, true);
        addAttribute("JFIFthumbRGB",
                     "thumbHeight",
                     DATATYPE_INTEGER,
                     false,
                     null,
                     "0", "255",
                     true, true);

        addObjectValue("app2ICC", ICC_Profile.class, false, null);

        addAttribute("app14Adobe",
                     "version",
                     DATATYPE_INTEGER,
                     false,
                     "100",
                     "100", "255",
                     true, true);
        addAttribute("app14Adobe",
                     "flags0",
                     DATATYPE_INTEGER,
                     false,
                     "0",
                     "0", "65535",
                     true, true);
        addAttribute("app14Adobe",
                     "flags1",
                     DATATYPE_INTEGER,
                     false,
                     "0",
                     "0", "65535",
                     true, true);

        List<String> transforms = new ArrayList<>();
        transforms.add("0");
        transforms.add("1");
        transforms.add("2");
        addAttribute("app14Adobe",
                     "transform",
                     DATATYPE_INTEGER,
                     true,
                     null,
                     transforms);

        addElement("componentSpec", "sof", CHILD_POLICY_EMPTY);

        List<String> procs = new ArrayList<>();
        procs.add("0");
        procs.add("1");
        procs.add("2");
        addAttribute("sof",
                     "process",
                     DATATYPE_INTEGER,
                     false,
                     null,
                     procs);
        addAttribute("sof",
                     "samplePrecision",
                     DATATYPE_INTEGER,
                     false,
                     "8");
        addAttribute("sof",
                     "numLines",
                     DATATYPE_INTEGER,
                     false,
                     null,
                     "0", "65535",
                     true, true);
        addAttribute("sof",
                     "samplesPerLine",
                     DATATYPE_INTEGER,
                     false,
                     null,
                     "0", "65535",
                     true, true);
        List<String> comps = new ArrayList<>();
        comps.add("1");
        comps.add("2");
        comps.add("3");
        comps.add("4");
        addAttribute("sof",
                     "numFrameComponents",
                     DATATYPE_INTEGER,
                     false,
                     null,
                     comps);

        addAttribute("componentSpec",
                     "componentId",
                     DATATYPE_INTEGER,
                     true,
                     null,
                     "0", "255",
                     true, true);
        addAttribute("componentSpec",
                     "HsamplingFactor",
                     DATATYPE_INTEGER,
                     true,
                     null,
                     "1", "255",
                     true, true);
        addAttribute("componentSpec",
                     "VsamplingFactor",
                     DATATYPE_INTEGER,
                     true,
                     null,
                     "1", "255",
                     true, true);
        List<String> tabids = new ArrayList<>();
        tabids.add("0");
        tabids.add("1");
        tabids.add("2");
        tabids.add("3");
        addAttribute("componentSpec",
                     "QtableSelector",
                     DATATYPE_INTEGER,
                     true,
                     null,
                     tabids);

        addElement("scanComponentSpec", "sos", CHILD_POLICY_EMPTY);

        addAttribute("sos",
                     "numScanComponents",
                     DATATYPE_INTEGER,
                     true,
                     null,
                     comps);
        addAttribute("sos",
                     "startSpectralSelection",
                      DATATYPE_INTEGER,
                     false,
                     "0",
                     "0", "63",
                     true, true);
        addAttribute("sos",
                     "endSpectralSelection",
                      DATATYPE_INTEGER,
                     false,
                     "63",
                     "0", "63",
                     true, true);
        addAttribute("sos",
                     "approxHigh",
                      DATATYPE_INTEGER,
                     false,
                     "0",
                     "0", "15",
                     true, true);
        addAttribute("sos",
                     "approxLow",
                      DATATYPE_INTEGER,
                     false,
                     "0",
                     "0", "15",
                     true, true);

        addAttribute("scanComponentSpec",
                     "componentSelector",
                     DATATYPE_INTEGER,
                     true,
                     null,
                     "0", "255",
                     true, true);
        addAttribute("scanComponentSpec",

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