| /* |
| * Copyright (c) 2005, 2016, 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.tiff; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| import javax.imageio.metadata.IIOMetadataNode; |
| import org.w3c.dom.Node; |
| import javax.imageio.plugins.tiff.TIFFDirectory; |
| import javax.imageio.plugins.tiff.TIFFField; |
| import javax.imageio.plugins.tiff.TIFFTag; |
| import javax.imageio.plugins.tiff.TIFFTagSet; |
| |
| /** |
| * The {@code Node} representation of a {@code TIFFField} |
| * wherein the child node is procedural rather than buffered. |
| */ |
| public class TIFFFieldNode extends IIOMetadataNode { |
| private static boolean isIFD(TIFFField f) { |
| int type = f.getType(); |
| return f.hasDirectory() && |
| (type == TIFFTag.TIFF_LONG || type == TIFFTag.TIFF_IFD_POINTER); |
| } |
| |
| private static String getNodeName(TIFFField f) { |
| return isIFD(f) ? "TIFFIFD" : "TIFFField"; |
| } |
| |
| private boolean isIFD; |
| |
| private Boolean isInitialized = Boolean.FALSE; |
| |
| private TIFFField field; |
| |
| public TIFFFieldNode(TIFFField field) { |
| super(getNodeName(field)); |
| |
| isIFD = isIFD(field); |
| |
| this.field = field; |
| |
| TIFFTag tag = field.getTag(); |
| int tagNumber = tag.getNumber(); |
| String tagName = tag.getName(); |
| |
| if(isIFD) { |
| if(tagNumber != 0) { |
| setAttribute("parentTagNumber", Integer.toString(tagNumber)); |
| } |
| if(tagName != null) { |
| setAttribute("parentTagName", tagName); |
| } |
| |
| TIFFDirectory dir = field.hasDirectory() ? |
| field.getDirectory() : (TIFFDirectory)field.getData(); |
| TIFFTagSet[] tagSets = dir.getTagSets(); |
| if(tagSets != null) { |
| StringBuilder tagSetNames = new StringBuilder(); |
| for(int i = 0; i < tagSets.length; i++) { |
| tagSetNames.append(tagSets[i].getClass().getName()); |
| if(i != tagSets.length - 1) { |
| tagSetNames.append(","); |
| } |
| } |
| setAttribute("tagSets", tagSetNames.toString()); |
| } |
| } else { |
| setAttribute("number", Integer.toString(tagNumber)); |
| setAttribute("name", tagName); |
| } |
| } |
| |
| private synchronized void initialize() { |
| if(isInitialized) return; |
| |
| if(isIFD) { |
| TIFFDirectory dir = field.hasDirectory() ? |
| field.getDirectory() : (TIFFDirectory)field.getData(); |
| TIFFField[] fields = dir.getTIFFFields(); |
| if(fields != null) { |
| TIFFTagSet[] tagSets = dir.getTagSets(); |
| List<TIFFTagSet> tagSetList = Arrays.asList(tagSets); |
| int numFields = fields.length; |
| for(int i = 0; i < numFields; i++) { |
| TIFFField f = fields[i]; |
| int tagNumber = f.getTagNumber(); |
| TIFFTag tag = TIFFIFD.getTag(tagNumber, tagSetList); |
| |
| Node node = f.getAsNativeNode(); |
| |
| if (node != null) { |
| appendChild(node); |
| } |
| } |
| } |
| } else { |
| IIOMetadataNode child; |
| int count = field.getCount(); |
| if (field.getType() == TIFFTag.TIFF_UNDEFINED) { |
| child = new IIOMetadataNode("TIFFUndefined"); |
| |
| byte[] data = field.getAsBytes(); |
| StringBuffer sb = new StringBuffer(); |
| for (int i = 0; i < count; i++) { |
| sb.append(Integer.toString(data[i] & 0xff)); |
| if (i < count - 1) { |
| sb.append(","); |
| } |
| } |
| child.setAttribute("value", sb.toString()); |
| } else { |
| child = new IIOMetadataNode("TIFF" + |
| TIFFField.getTypeName(field.getType()) + |
| "s"); |
| |
| TIFFTag tag = field.getTag(); |
| |
| for (int i = 0; i < count; i++) { |
| IIOMetadataNode cchild = |
| new IIOMetadataNode("TIFF" + |
| TIFFField.getTypeName(field.getType())); |
| |
| cchild.setAttribute("value", field.getValueAsString(i)); |
| if (tag.hasValueNames() && field.isIntegral()) { |
| int value = field.getAsInt(i); |
| String name = tag.getValueName(value); |
| if (name != null) { |
| cchild.setAttribute("description", name); |
| } |
| } |
| |
| child.appendChild(cchild); |
| } |
| } |
| appendChild(child); |
| } |
| |
| isInitialized = Boolean.TRUE; |
| } |
| |
| // Need to override this method to avoid a stack overflow exception |
| // which will occur if super.appendChild is called from initialize(). |
| public Node appendChild(Node newChild) { |
| if (newChild == null) { |
| throw new NullPointerException("newChild == null!"); |
| } |
| |
| return super.insertBefore(newChild, null); |
| } |
| |
| // Override all methods which refer to child nodes. |
| |
| public boolean hasChildNodes() { |
| initialize(); |
| return super.hasChildNodes(); |
| } |
| |
| public int getLength() { |
| initialize(); |
| return super.getLength(); |
| } |
| |
| public Node getFirstChild() { |
| initialize(); |
| return super.getFirstChild(); |
| } |
| |
| public Node getLastChild() { |
| initialize(); |
| return super.getLastChild(); |
| } |
| |
| public Node getPreviousSibling() { |
| initialize(); |
| return super.getPreviousSibling(); |
| } |
| |
| public Node getNextSibling() { |
| initialize(); |
| return super.getNextSibling(); |
| } |
| |
| public Node insertBefore(Node newChild, |
| Node refChild) { |
| initialize(); |
| return super.insertBefore(newChild, refChild); |
| } |
| |
| public Node replaceChild(Node newChild, |
| Node oldChild) { |
| initialize(); |
| return super.replaceChild(newChild, oldChild); |
| } |
| |
| public Node removeChild(Node oldChild) { |
| initialize(); |
| return super.removeChild(oldChild); |
| } |
| |
| public Node cloneNode(boolean deep) { |
| initialize(); |
| return super.cloneNode(deep); |
| } |
| } |