jdk/src/java.desktop/share/classes/com/sun/imageio/plugins/tiff/TIFFFieldNode.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.desktop/share/classes/com/sun/imageio/plugins/tiff/TIFFFieldNode.java Mon Nov 23 12:26:12 2015 -0800
@@ -0,0 +1,219 @@
+/*
+ * Copyright (c) 2005, 2015, 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</code> representation of a <code>TIFFField</code>
+ * wherein the child node is procedural rather than buffered.
+ */
+public class TIFFFieldNode extends IIOMetadataNode {
+ private static String getNodeName(TIFFField f) {
+ return f.getData() instanceof TIFFDirectory ?
+ "TIFFIFD" : "TIFFField";
+ }
+
+ private boolean isIFD;
+
+ private Boolean isInitialized = Boolean.FALSE;
+
+ private TIFFField field;
+
+ public TIFFFieldNode(TIFFField field) {
+ super(getNodeName(field));
+
+ isIFD = field.getData() instanceof TIFFDirectory;
+
+ 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 = (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 = (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);
+ }
+}