author | prr |
Sat, 19 Sep 2015 15:45:59 -0700 | |
changeset 32865 | f9cb6e427f9e |
parent 26353 | b5e3b7fbf56d |
child 35667 | ed476aba94de |
permissions | -rw-r--r-- |
2 | 1 |
/* |
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* Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
|
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package javax.imageio.metadata; |
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import java.util.ArrayList; |
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import java.util.Iterator; |
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import java.util.List; |
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import org.w3c.dom.Attr; |
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import org.w3c.dom.Document; |
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import org.w3c.dom.Element; |
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import org.w3c.dom.DOMException; |
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import org.w3c.dom.NamedNodeMap; |
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import org.w3c.dom.Node; |
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import org.w3c.dom.NodeList; |
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import org.w3c.dom.TypeInfo; |
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import org.w3c.dom.UserDataHandler; |
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class IIODOMException extends DOMException { |
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private static final long serialVersionUID = -4369510142067447468L; |
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public IIODOMException(short code, String message) { |
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super(code, message); |
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} |
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} |
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class IIONamedNodeMap implements NamedNodeMap { |
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List<? extends Node> nodes; |
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public IIONamedNodeMap(List<? extends Node> nodes) { |
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this.nodes = nodes; |
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} |
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public int getLength() { |
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return nodes.size(); |
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} |
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public Node getNamedItem(String name) { |
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Iterator<? extends Node> iter = nodes.iterator(); |
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while (iter.hasNext()) { |
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Node node = iter.next(); |
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if (name.equals(node.getNodeName())) { |
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return node; |
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} |
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} |
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return null; |
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} |
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public Node item(int index) { |
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Node node = nodes.get(index); |
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return node; |
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} |
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public Node removeNamedItem(java.lang.String name) { |
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throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, |
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"This NamedNodeMap is read-only!"); |
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} |
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public Node setNamedItem(Node arg) { |
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throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, |
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"This NamedNodeMap is read-only!"); |
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} |
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/** |
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* Equivalent to <code>getNamedItem(localName)</code>. |
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*/ |
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public Node getNamedItemNS(String namespaceURI, String localName) { |
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return getNamedItem(localName); |
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} |
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/** |
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* Equivalent to <code>setNamedItem(arg)</code>. |
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*/ |
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public Node setNamedItemNS(Node arg) { |
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return setNamedItem(arg); |
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} |
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/** |
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* Equivalent to <code>removeNamedItem(localName)</code>. |
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*/ |
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public Node removeNamedItemNS(String namespaceURI, String localName) { |
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return removeNamedItem(localName); |
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} |
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} |
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class IIONodeList implements NodeList { |
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List<? extends Node> nodes; |
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public IIONodeList(List<? extends Node> nodes) { |
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this.nodes = nodes; |
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} |
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public int getLength() { |
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return nodes.size(); |
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} |
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public Node item(int index) { |
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if (index < 0 || index > nodes.size()) { |
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return null; |
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} |
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return nodes.get(index); |
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} |
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} |
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class IIOAttr extends IIOMetadataNode implements Attr { |
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Element owner; |
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String name; |
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String value; |
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public IIOAttr(Element owner, String name, String value) { |
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this.owner = owner; |
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this.name = name; |
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this.value = value; |
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} |
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public String getName() { |
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return name; |
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} |
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public String getNodeName() { |
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return name; |
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} |
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public short getNodeType() { |
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return ATTRIBUTE_NODE; |
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} |
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public boolean getSpecified() { |
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return true; |
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} |
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public String getValue() { |
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return value; |
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} |
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public String getNodeValue() { |
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return value; |
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} |
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public void setValue(String value) { |
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this.value = value; |
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} |
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public void setNodeValue(String value) { |
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this.value = value; |
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} |
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public Element getOwnerElement() { |
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return owner; |
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} |
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public void setOwnerElement(Element owner) { |
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this.owner = owner; |
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} |
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/** This method is new in the DOM L3 for Attr interface. |
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* Could throw DOMException here, but its probably OK |
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* to always return false. One reason for this, is we have no good |
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* way to document this exception, since this class, IIOAttr, |
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* is not a public class. The rest of the methods that throw |
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* DOMException are publically documented as such on IIOMetadataNode. |
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* @return false |
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*/ |
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public boolean isId() { |
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return false; |
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} |
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} |
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/** |
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* A class representing a node in a meta-data tree, which implements |
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* the <a |
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* href="../../../../api/org/w3c/dom/Element.html"> |
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* <code>org.w3c.dom.Element</code></a> interface and additionally allows |
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* for the storage of non-textual objects via the |
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* <code>getUserObject</code> and <code>setUserObject</code> methods. |
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* |
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* <p> This class is not intended to be used for general XML |
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* processing. In particular, <code>Element</code> nodes created |
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* within the Image I/O API are not compatible with those created by |
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* Sun's standard implementation of the <code>org.w3.dom</code> API. |
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* In particular, the implementation is tuned for simple uses and may |
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* not perform well for intensive processing. |
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* |
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* <p> Namespaces are ignored in this implementation. The terms "tag |
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* name" and "node name" are always considered to be synonymous. |
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* |
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* <em>Note:</em> |
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* The DOM Level 3 specification added a number of new methods to the |
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* {@code Node}, {@code Element} and {@code Attr} interfaces that are not |
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* of value to the {@code IIOMetadataNode} implementation or specification. |
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* |
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* Calling such methods on an {@code IIOMetadataNode}, or an {@code Attr} |
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* instance returned from an {@code IIOMetadataNode} will result in a |
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* {@code DOMException} being thrown. |
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* |
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* @see IIOMetadata#getAsTree |
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* @see IIOMetadata#setFromTree |
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* @see IIOMetadata#mergeTree |
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* |
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*/ |
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public class IIOMetadataNode implements Element, NodeList { |
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/** |
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* The name of the node as a <code>String</code>. |
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*/ |
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private String nodeName = null; |
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238 |
/** |
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* The value of the node as a <code>String</code>. The Image I/O |
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* API typically does not make use of the node value. |
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*/ |
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private String nodeValue = null; |
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/** |
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* The <code>Object</code> value associated with this node. |
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*/ |
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private Object userObject = null; |
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/** |
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* The parent node of this node, or <code>null</code> if this node |
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* forms the root of its own tree. |
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*/ |
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private IIOMetadataNode parent = null; |
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/** |
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* The number of child nodes. |
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*/ |
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private int numChildren = 0; |
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/** |
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* The first (leftmost) child node of this node, or |
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* <code>null</code> if this node is a leaf node. |
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*/ |
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private IIOMetadataNode firstChild = null; |
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/** |
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* The last (rightmost) child node of this node, or |
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* <code>null</code> if this node is a leaf node. |
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*/ |
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private IIOMetadataNode lastChild = null; |
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/** |
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* The next (right) sibling node of this node, or |
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* <code>null</code> if this node is its parent's last child node. |
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*/ |
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private IIOMetadataNode nextSibling = null; |
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/** |
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* The previous (left) sibling node of this node, or |
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* <code>null</code> if this node is its parent's first child node. |
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*/ |
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private IIOMetadataNode previousSibling = null; |
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/** |
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* A <code>List</code> of <code>IIOAttr</code> nodes representing |
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* attributes. |
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*/ |
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private List<IIOAttr> attributes = new ArrayList<>(); |
2 | 289 |
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/** |
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* Constructs an empty <code>IIOMetadataNode</code>. |
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*/ |
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public IIOMetadataNode() {} |
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295 |
/** |
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* Constructs an <code>IIOMetadataNode</code> with a given node |
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* name. |
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* |
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* @param nodeName the name of the node, as a <code>String</code>. |
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*/ |
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301 |
public IIOMetadataNode(String nodeName) { |
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this.nodeName = nodeName; |
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} |
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305 |
/** |
|
306 |
* Check that the node is either <code>null</code> or an |
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307 |
* <code>IIOMetadataNode</code>. |
|
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* |
309 |
* @throws DOMException if {@code node} is not {@code null} and not an |
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* instance of {@code IIOMetadataNode} |
|
2 | 311 |
*/ |
312 |
private void checkNode(Node node) throws DOMException { |
|
313 |
if (node == null) { |
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314 |
return; |
|
315 |
} |
|
316 |
if (!(node instanceof IIOMetadataNode)) { |
|
317 |
throw new IIODOMException(DOMException.WRONG_DOCUMENT_ERR, |
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318 |
"Node not an IIOMetadataNode!"); |
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319 |
} |
|
320 |
} |
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321 |
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322 |
// Methods from Node |
|
323 |
||
324 |
/** |
|
325 |
* Returns the node name associated with this node. |
|
326 |
* |
|
327 |
* @return the node name, as a <code>String</code>. |
|
328 |
*/ |
|
329 |
public String getNodeName() { |
|
330 |
return nodeName; |
|
331 |
} |
|
332 |
||
333 |
/** |
|
334 |
* Returns the value associated with this node. |
|
335 |
* |
|
336 |
* @return the node value, as a <code>String</code>. |
|
337 |
*/ |
|
338 |
public String getNodeValue(){ |
|
339 |
return nodeValue; |
|
340 |
} |
|
341 |
||
342 |
/** |
|
343 |
* Sets the <code>String</code> value associated with this node. |
|
344 |
*/ |
|
345 |
public void setNodeValue(String nodeValue) { |
|
346 |
this.nodeValue = nodeValue; |
|
347 |
} |
|
348 |
||
349 |
/** |
|
350 |
* Returns the node type, which is always |
|
351 |
* <code>ELEMENT_NODE</code>. |
|
352 |
* |
|
353 |
* @return the <code>short</code> value <code>ELEMENT_NODE</code>. |
|
354 |
*/ |
|
355 |
public short getNodeType() { |
|
356 |
return ELEMENT_NODE; |
|
357 |
} |
|
358 |
||
359 |
/** |
|
360 |
* Returns the parent of this node. A <code>null</code> value |
|
361 |
* indicates that the node is the root of its own tree. To add a |
|
362 |
* node to an existing tree, use one of the |
|
363 |
* <code>insertBefore</code>, <code>replaceChild</code>, or |
|
364 |
* <code>appendChild</code> methods. |
|
365 |
* |
|
366 |
* @return the parent, as a <code>Node</code>. |
|
367 |
* |
|
368 |
* @see #insertBefore |
|
369 |
* @see #replaceChild |
|
370 |
* @see #appendChild |
|
371 |
*/ |
|
372 |
public Node getParentNode() { |
|
373 |
return parent; |
|
374 |
} |
|
375 |
||
376 |
/** |
|
377 |
* Returns a <code>NodeList</code> that contains all children of this node. |
|
378 |
* If there are no children, this is a <code>NodeList</code> containing |
|
379 |
* no nodes. |
|
380 |
* |
|
381 |
* @return the children as a <code>NodeList</code> |
|
382 |
*/ |
|
383 |
public NodeList getChildNodes() { |
|
384 |
return this; |
|
385 |
} |
|
386 |
||
387 |
/** |
|
388 |
* Returns the first child of this node, or <code>null</code> if |
|
389 |
* the node has no children. |
|
390 |
* |
|
391 |
* @return the first child, as a <code>Node</code>, or |
|
392 |
* <code>null</code> |
|
393 |
*/ |
|
394 |
public Node getFirstChild() { |
|
395 |
return firstChild; |
|
396 |
} |
|
397 |
||
398 |
/** |
|
399 |
* Returns the last child of this node, or <code>null</code> if |
|
400 |
* the node has no children. |
|
401 |
* |
|
402 |
* @return the last child, as a <code>Node</code>, or |
|
403 |
* <code>null</code>. |
|
404 |
*/ |
|
405 |
public Node getLastChild() { |
|
406 |
return lastChild; |
|
407 |
} |
|
408 |
||
409 |
/** |
|
410 |
* Returns the previous sibling of this node, or <code>null</code> |
|
411 |
* if this node has no previous sibling. |
|
412 |
* |
|
413 |
* @return the previous sibling, as a <code>Node</code>, or |
|
414 |
* <code>null</code>. |
|
415 |
*/ |
|
416 |
public Node getPreviousSibling() { |
|
417 |
return previousSibling; |
|
418 |
} |
|
419 |
||
420 |
/** |
|
421 |
* Returns the next sibling of this node, or <code>null</code> if |
|
422 |
* the node has no next sibling. |
|
423 |
* |
|
424 |
* @return the next sibling, as a <code>Node</code>, or |
|
425 |
* <code>null</code>. |
|
426 |
*/ |
|
427 |
public Node getNextSibling() { |
|
428 |
return nextSibling; |
|
429 |
} |
|
430 |
||
431 |
/** |
|
432 |
* Returns a <code>NamedNodeMap</code> containing the attributes of |
|
433 |
* this node. |
|
434 |
* |
|
435 |
* @return a <code>NamedNodeMap</code> containing the attributes of |
|
436 |
* this node. |
|
437 |
*/ |
|
438 |
public NamedNodeMap getAttributes() { |
|
439 |
return new IIONamedNodeMap(attributes); |
|
440 |
} |
|
441 |
||
442 |
/** |
|
443 |
* Returns <code>null</code>, since <code>IIOMetadataNode</code>s |
|
444 |
* do not belong to any <code>Document</code>. |
|
445 |
* |
|
446 |
* @return <code>null</code>. |
|
447 |
*/ |
|
448 |
public Document getOwnerDocument() { |
|
449 |
return null; |
|
450 |
} |
|
451 |
||
452 |
/** |
|
453 |
* Inserts the node <code>newChild</code> before the existing |
|
454 |
* child node <code>refChild</code>. If <code>refChild</code> is |
|
455 |
* <code>null</code>, insert <code>newChild</code> at the end of |
|
456 |
* the list of children. |
|
457 |
* |
|
458 |
* @param newChild the <code>Node</code> to insert. |
|
459 |
* @param refChild the reference <code>Node</code>. |
|
460 |
* |
|
461 |
* @return the node being inserted. |
|
462 |
* |
|
463 |
* @exception IllegalArgumentException if <code>newChild</code> is |
|
464 |
* <code>null</code>. |
|
465 |
*/ |
|
466 |
public Node insertBefore(Node newChild, |
|
467 |
Node refChild) { |
|
468 |
if (newChild == null) { |
|
469 |
throw new IllegalArgumentException("newChild == null!"); |
|
470 |
} |
|
471 |
||
472 |
checkNode(newChild); |
|
473 |
checkNode(refChild); |
|
474 |
||
475 |
IIOMetadataNode newChildNode = (IIOMetadataNode)newChild; |
|
476 |
IIOMetadataNode refChildNode = (IIOMetadataNode)refChild; |
|
477 |
||
478 |
// Siblings, can be null. |
|
479 |
IIOMetadataNode previous = null; |
|
480 |
IIOMetadataNode next = null; |
|
481 |
||
482 |
if (refChild == null) { |
|
483 |
previous = this.lastChild; |
|
484 |
next = null; |
|
485 |
this.lastChild = newChildNode; |
|
486 |
} else { |
|
487 |
previous = refChildNode.previousSibling; |
|
488 |
next = refChildNode; |
|
489 |
} |
|
490 |
||
491 |
if (previous != null) { |
|
492 |
previous.nextSibling = newChildNode; |
|
493 |
} |
|
494 |
if (next != null) { |
|
495 |
next.previousSibling = newChildNode; |
|
496 |
} |
|
497 |
||
498 |
newChildNode.parent = this; |
|
499 |
newChildNode.previousSibling = previous; |
|
500 |
newChildNode.nextSibling = next; |
|
501 |
||
502 |
// N.B.: O.K. if refChild == null |
|
503 |
if (this.firstChild == refChildNode) { |
|
504 |
this.firstChild = newChildNode; |
|
505 |
} |
|
506 |
||
507 |
++numChildren; |
|
508 |
return newChildNode; |
|
509 |
} |
|
510 |
||
511 |
/** |
|
512 |
* Replaces the child node <code>oldChild</code> with |
|
513 |
* <code>newChild</code> in the list of children, and returns the |
|
514 |
* <code>oldChild</code> node. |
|
515 |
* |
|
516 |
* @param newChild the <code>Node</code> to insert. |
|
517 |
* @param oldChild the <code>Node</code> to be replaced. |
|
518 |
* |
|
519 |
* @return the node replaced. |
|
520 |
* |
|
521 |
* @exception IllegalArgumentException if <code>newChild</code> is |
|
522 |
* <code>null</code>. |
|
523 |
*/ |
|
524 |
public Node replaceChild(Node newChild, |
|
525 |
Node oldChild) { |
|
526 |
if (newChild == null) { |
|
527 |
throw new IllegalArgumentException("newChild == null!"); |
|
528 |
} |
|
529 |
||
530 |
checkNode(newChild); |
|
531 |
checkNode(oldChild); |
|
532 |
||
533 |
IIOMetadataNode newChildNode = (IIOMetadataNode)newChild; |
|
534 |
IIOMetadataNode oldChildNode = (IIOMetadataNode)oldChild; |
|
535 |
||
536 |
IIOMetadataNode previous = oldChildNode.previousSibling; |
|
537 |
IIOMetadataNode next = oldChildNode.nextSibling; |
|
538 |
||
539 |
if (previous != null) { |
|
540 |
previous.nextSibling = newChildNode; |
|
541 |
} |
|
542 |
if (next != null) { |
|
543 |
next.previousSibling = newChildNode; |
|
544 |
} |
|
545 |
||
546 |
newChildNode.parent = this; |
|
547 |
newChildNode.previousSibling = previous; |
|
548 |
newChildNode.nextSibling = next; |
|
549 |
||
550 |
if (firstChild == oldChildNode) { |
|
551 |
firstChild = newChildNode; |
|
552 |
} |
|
553 |
if (lastChild == oldChildNode) { |
|
554 |
lastChild = newChildNode; |
|
555 |
} |
|
556 |
||
557 |
oldChildNode.parent = null; |
|
558 |
oldChildNode.previousSibling = null; |
|
559 |
oldChildNode.nextSibling = null; |
|
560 |
||
561 |
return oldChildNode; |
|
562 |
} |
|
563 |
||
564 |
/** |
|
565 |
* Removes the child node indicated by <code>oldChild</code> from |
|
566 |
* the list of children, and returns it. |
|
567 |
* |
|
568 |
* @param oldChild the <code>Node</code> to be removed. |
|
569 |
* |
|
570 |
* @return the node removed. |
|
571 |
* |
|
572 |
* @exception IllegalArgumentException if <code>oldChild</code> is |
|
573 |
* <code>null</code>. |
|
574 |
*/ |
|
575 |
public Node removeChild(Node oldChild) { |
|
576 |
if (oldChild == null) { |
|
577 |
throw new IllegalArgumentException("oldChild == null!"); |
|
578 |
} |
|
579 |
checkNode(oldChild); |
|
580 |
||
581 |
IIOMetadataNode oldChildNode = (IIOMetadataNode)oldChild; |
|
582 |
||
583 |
IIOMetadataNode previous = oldChildNode.previousSibling; |
|
584 |
IIOMetadataNode next = oldChildNode.nextSibling; |
|
585 |
||
586 |
if (previous != null) { |
|
587 |
previous.nextSibling = next; |
|
588 |
} |
|
589 |
if (next != null) { |
|
590 |
next.previousSibling = previous; |
|
591 |
} |
|
592 |
||
593 |
if (this.firstChild == oldChildNode) { |
|
594 |
this.firstChild = next; |
|
595 |
} |
|
596 |
if (this.lastChild == oldChildNode) { |
|
597 |
this.lastChild = previous; |
|
598 |
} |
|
599 |
||
600 |
oldChildNode.parent = null; |
|
601 |
oldChildNode.previousSibling = null; |
|
602 |
oldChildNode.nextSibling = null; |
|
603 |
||
604 |
--numChildren; |
|
605 |
return oldChildNode; |
|
606 |
} |
|
607 |
||
608 |
/** |
|
609 |
* Adds the node <code>newChild</code> to the end of the list of |
|
610 |
* children of this node. |
|
611 |
* |
|
612 |
* @param newChild the <code>Node</code> to insert. |
|
613 |
* |
|
614 |
* @return the node added. |
|
615 |
* |
|
616 |
* @exception IllegalArgumentException if <code>newChild</code> is |
|
617 |
* <code>null</code>. |
|
618 |
*/ |
|
619 |
public Node appendChild(Node newChild) { |
|
620 |
if (newChild == null) { |
|
621 |
throw new IllegalArgumentException("newChild == null!"); |
|
622 |
} |
|
623 |
checkNode(newChild); |
|
624 |
||
625 |
// insertBefore will increment numChildren |
|
626 |
return insertBefore(newChild, null); |
|
627 |
} |
|
628 |
||
629 |
/** |
|
630 |
* Returns <code>true</code> if this node has child nodes. |
|
631 |
* |
|
632 |
* @return <code>true</code> if this node has children. |
|
633 |
*/ |
|
634 |
public boolean hasChildNodes() { |
|
635 |
return numChildren > 0; |
|
636 |
} |
|
637 |
||
638 |
/** |
|
639 |
* Returns a duplicate of this node. The duplicate node has no |
|
640 |
* parent (<code>getParentNode</code> returns <code>null</code>). |
|
641 |
* If a shallow clone is being performed (<code>deep</code> is |
|
642 |
* <code>false</code>), the new node will not have any children or |
|
643 |
* siblings. If a deep clone is being performed, the new node |
|
644 |
* will form the root of a complete cloned subtree. |
|
645 |
* |
|
646 |
* @param deep if <code>true</code>, recursively clone the subtree |
|
647 |
* under the specified node; if <code>false</code>, clone only the |
|
648 |
* node itself. |
|
649 |
* |
|
650 |
* @return the duplicate node. |
|
651 |
*/ |
|
652 |
public Node cloneNode(boolean deep) { |
|
653 |
IIOMetadataNode newNode = new IIOMetadataNode(this.nodeName); |
|
654 |
newNode.setUserObject(getUserObject()); |
|
655 |
// Attributes |
|
656 |
||
657 |
if (deep) { |
|
658 |
for (IIOMetadataNode child = firstChild; |
|
659 |
child != null; |
|
660 |
child = child.nextSibling) { |
|
661 |
newNode.appendChild(child.cloneNode(true)); |
|
662 |
} |
|
663 |
} |
|
664 |
||
665 |
return newNode; |
|
666 |
} |
|
667 |
||
668 |
/** |
|
669 |
* Does nothing, since <code>IIOMetadataNode</code>s do not |
|
670 |
* contain <code>Text</code> children. |
|
671 |
*/ |
|
672 |
public void normalize() { |
|
673 |
} |
|
674 |
||
675 |
/** |
|
676 |
* Returns <code>false</code> since DOM features are not |
|
677 |
* supported. |
|
678 |
* |
|
679 |
* @return <code>false</code>. |
|
680 |
* |
|
681 |
* @param feature a <code>String</code>, which is ignored. |
|
682 |
* @param version a <code>String</code>, which is ignored. |
|
683 |
*/ |
|
684 |
public boolean isSupported(String feature, String version) { |
|
685 |
return false; |
|
686 |
} |
|
687 |
||
688 |
/** |
|
689 |
* Returns <code>null</code>, since namespaces are not supported. |
|
690 |
*/ |
|
691 |
public String getNamespaceURI() throws DOMException { |
|
692 |
return null; |
|
693 |
} |
|
694 |
||
695 |
/** |
|
696 |
* Returns <code>null</code>, since namespaces are not supported. |
|
697 |
* |
|
698 |
* @return <code>null</code>. |
|
699 |
* |
|
700 |
* @see #setPrefix |
|
701 |
*/ |
|
702 |
public String getPrefix() { |
|
703 |
return null; |
|
704 |
} |
|
705 |
||
706 |
/** |
|
707 |
* Does nothing, since namespaces are not supported. |
|
708 |
* |
|
709 |
* @param prefix a <code>String</code>, which is ignored. |
|
710 |
* |
|
711 |
* @see #getPrefix |
|
712 |
*/ |
|
713 |
public void setPrefix(String prefix) { |
|
714 |
} |
|
715 |
||
716 |
/** |
|
717 |
* Equivalent to <code>getNodeName</code>. |
|
718 |
* |
|
719 |
* @return the node name, as a <code>String</code>. |
|
720 |
*/ |
|
721 |
public String getLocalName() { |
|
722 |
return nodeName; |
|
723 |
} |
|
724 |
||
725 |
// Methods from Element |
|
726 |
||
727 |
||
728 |
/** |
|
729 |
* Equivalent to <code>getNodeName</code>. |
|
730 |
* |
|
8943
48b572acbbe8
7026407: Broken </code> in javax.imageio.metadata.IIOMetadataNode.getTagName()
prr
parents:
5506
diff
changeset
|
731 |
* @return the node name, as a <code>String</code> |
2 | 732 |
*/ |
733 |
public String getTagName() { |
|
734 |
return nodeName; |
|
735 |
} |
|
736 |
||
737 |
/** |
|
738 |
* Retrieves an attribute value by name. |
|
739 |
* @param name The name of the attribute to retrieve. |
|
740 |
* @return The <code>Attr</code> value as a string, or the empty string |
|
741 |
* if that attribute does not have a specified or default value. |
|
742 |
*/ |
|
743 |
public String getAttribute(String name) { |
|
744 |
Attr attr = getAttributeNode(name); |
|
745 |
if (attr == null) { |
|
746 |
return ""; |
|
747 |
} |
|
748 |
return attr.getValue(); |
|
749 |
} |
|
750 |
||
751 |
/** |
|
752 |
* Equivalent to <code>getAttribute(localName)</code>. |
|
753 |
* |
|
754 |
* @see #setAttributeNS |
|
755 |
*/ |
|
756 |
public String getAttributeNS(String namespaceURI, String localName) { |
|
757 |
return getAttribute(localName); |
|
758 |
} |
|
759 |
||
760 |
public void setAttribute(String name, String value) { |
|
761 |
// Name must be valid unicode chars |
|
762 |
boolean valid = true; |
|
763 |
char[] chs = name.toCharArray(); |
|
764 |
for (int i=0;i<chs.length;i++) { |
|
765 |
if (chs[i] >= 0xfffe) { |
|
766 |
valid = false; |
|
767 |
break; |
|
768 |
} |
|
769 |
} |
|
770 |
if (!valid) { |
|
771 |
throw new IIODOMException(DOMException.INVALID_CHARACTER_ERR, |
|
772 |
"Attribute name is illegal!"); |
|
773 |
} |
|
774 |
removeAttribute(name, false); |
|
775 |
attributes.add(new IIOAttr(this, name, value)); |
|
776 |
} |
|
777 |
||
778 |
/** |
|
779 |
* Equivalent to <code>setAttribute(qualifiedName, value)</code>. |
|
780 |
* |
|
781 |
* @see #getAttributeNS |
|
782 |
*/ |
|
783 |
public void setAttributeNS(String namespaceURI, |
|
784 |
String qualifiedName, String value) { |
|
785 |
setAttribute(qualifiedName, value); |
|
786 |
} |
|
787 |
||
788 |
public void removeAttribute(String name) { |
|
789 |
removeAttribute(name, true); |
|
790 |
} |
|
791 |
||
792 |
private void removeAttribute(String name, boolean checkPresent) { |
|
793 |
int numAttributes = attributes.size(); |
|
794 |
for (int i = 0; i < numAttributes; i++) { |
|
23306
679ac7841e8d
8034998: Fix raw and unchecked lint warnings in javax.imageio
henryjen
parents:
22657
diff
changeset
|
795 |
IIOAttr attr = attributes.get(i); |
2 | 796 |
if (name.equals(attr.getName())) { |
797 |
attr.setOwnerElement(null); |
|
798 |
attributes.remove(i); |
|
799 |
return; |
|
800 |
} |
|
801 |
} |
|
802 |
||
803 |
// If we get here, the attribute doesn't exist |
|
804 |
if (checkPresent) { |
|
805 |
throw new IIODOMException(DOMException.NOT_FOUND_ERR, |
|
806 |
"No such attribute!"); |
|
807 |
} |
|
808 |
} |
|
809 |
||
810 |
/** |
|
811 |
* Equivalent to <code>removeAttribute(localName)</code>. |
|
812 |
*/ |
|
813 |
public void removeAttributeNS(String namespaceURI, |
|
814 |
String localName) { |
|
815 |
removeAttribute(localName); |
|
816 |
} |
|
817 |
||
818 |
public Attr getAttributeNode(String name) { |
|
819 |
Node node = getAttributes().getNamedItem(name); |
|
820 |
return (Attr)node; |
|
821 |
} |
|
822 |
||
823 |
/** |
|
824 |
* Equivalent to <code>getAttributeNode(localName)</code>. |
|
825 |
* |
|
826 |
* @see #setAttributeNodeNS |
|
827 |
*/ |
|
828 |
public Attr getAttributeNodeNS(String namespaceURI, |
|
829 |
String localName) { |
|
830 |
return getAttributeNode(localName); |
|
831 |
} |
|
832 |
||
833 |
public Attr setAttributeNode(Attr newAttr) throws DOMException { |
|
834 |
Element owner = newAttr.getOwnerElement(); |
|
835 |
if (owner != null) { |
|
836 |
if (owner == this) { |
|
837 |
return null; |
|
838 |
} else { |
|
839 |
throw new DOMException(DOMException.INUSE_ATTRIBUTE_ERR, |
|
840 |
"Attribute is already in use"); |
|
841 |
} |
|
842 |
} |
|
843 |
||
844 |
IIOAttr attr; |
|
845 |
if (newAttr instanceof IIOAttr) { |
|
846 |
attr = (IIOAttr)newAttr; |
|
847 |
attr.setOwnerElement(this); |
|
848 |
} else { |
|
849 |
attr = new IIOAttr(this, |
|
850 |
newAttr.getName(), |
|
851 |
newAttr.getValue()); |
|
852 |
} |
|
853 |
||
854 |
Attr oldAttr = getAttributeNode(attr.getName()); |
|
855 |
if (oldAttr != null) { |
|
856 |
removeAttributeNode(oldAttr); |
|
857 |
} |
|
858 |
||
859 |
attributes.add(attr); |
|
860 |
||
861 |
return oldAttr; |
|
862 |
} |
|
863 |
||
864 |
/** |
|
865 |
* Equivalent to <code>setAttributeNode(newAttr)</code>. |
|
866 |
* |
|
867 |
* @see #getAttributeNodeNS |
|
868 |
*/ |
|
869 |
public Attr setAttributeNodeNS(Attr newAttr) { |
|
870 |
return setAttributeNode(newAttr); |
|
871 |
} |
|
872 |
||
873 |
public Attr removeAttributeNode(Attr oldAttr) { |
|
874 |
removeAttribute(oldAttr.getName()); |
|
875 |
return oldAttr; |
|
876 |
} |
|
877 |
||
878 |
public NodeList getElementsByTagName(String name) { |
|
23306
679ac7841e8d
8034998: Fix raw and unchecked lint warnings in javax.imageio
henryjen
parents:
22657
diff
changeset
|
879 |
List<Node> l = new ArrayList<>(); |
2 | 880 |
getElementsByTagName(name, l); |
881 |
return new IIONodeList(l); |
|
882 |
} |
|
883 |
||
23306
679ac7841e8d
8034998: Fix raw and unchecked lint warnings in javax.imageio
henryjen
parents:
22657
diff
changeset
|
884 |
private void getElementsByTagName(String name, List<Node> l) { |
2 | 885 |
if (nodeName.equals(name)) { |
886 |
l.add(this); |
|
887 |
} |
|
888 |
||
889 |
Node child = getFirstChild(); |
|
890 |
while (child != null) { |
|
891 |
((IIOMetadataNode)child).getElementsByTagName(name, l); |
|
892 |
child = child.getNextSibling(); |
|
893 |
} |
|
894 |
} |
|
895 |
||
896 |
/** |
|
897 |
* Equivalent to <code>getElementsByTagName(localName)</code>. |
|
898 |
*/ |
|
899 |
public NodeList getElementsByTagNameNS(String namespaceURI, |
|
900 |
String localName) { |
|
901 |
return getElementsByTagName(localName); |
|
902 |
} |
|
903 |
||
904 |
public boolean hasAttributes() { |
|
905 |
return attributes.size() > 0; |
|
906 |
} |
|
907 |
||
908 |
public boolean hasAttribute(String name) { |
|
909 |
return getAttributeNode(name) != null; |
|
910 |
} |
|
911 |
||
912 |
/** |
|
913 |
* Equivalent to <code>hasAttribute(localName)</code>. |
|
914 |
*/ |
|
915 |
public boolean hasAttributeNS(String namespaceURI, |
|
916 |
String localName) { |
|
917 |
return hasAttribute(localName); |
|
918 |
} |
|
919 |
||
920 |
// Methods from NodeList |
|
921 |
||
922 |
public int getLength() { |
|
923 |
return numChildren; |
|
924 |
} |
|
925 |
||
926 |
public Node item(int index) { |
|
927 |
if (index < 0) { |
|
928 |
return null; |
|
929 |
} |
|
930 |
||
931 |
Node child = getFirstChild(); |
|
932 |
while (child != null && index-- > 0) { |
|
933 |
child = child.getNextSibling(); |
|
934 |
} |
|
935 |
return child; |
|
936 |
} |
|
937 |
||
938 |
/** |
|
939 |
* Returns the <code>Object</code> value associated with this node. |
|
940 |
* |
|
941 |
* @return the user <code>Object</code>. |
|
942 |
* |
|
943 |
* @see #setUserObject |
|
944 |
*/ |
|
945 |
public Object getUserObject() { |
|
946 |
return userObject; |
|
947 |
} |
|
948 |
||
949 |
/** |
|
950 |
* Sets the value associated with this node. |
|
951 |
* |
|
952 |
* @param userObject the user <code>Object</code>. |
|
953 |
* |
|
954 |
* @see #getUserObject |
|
955 |
*/ |
|
956 |
public void setUserObject(Object userObject) { |
|
957 |
this.userObject = userObject; |
|
958 |
} |
|
959 |
||
960 |
// Start of dummy methods for DOM L3. |
|
961 |
||
962 |
/** |
|
963 |
* This DOM Level 3 method is not supported for {@code IIOMetadataNode} |
|
964 |
* and will throw a {@code DOMException}. |
|
965 |
* @throws DOMException - always. |
|
966 |
*/ |
|
967 |
public void setIdAttribute(String name, |
|
968 |
boolean isId) |
|
969 |
throws DOMException { |
|
970 |
throw new DOMException(DOMException.NOT_SUPPORTED_ERR, |
|
971 |
"Method not supported"); |
|
972 |
} |
|
973 |
||
974 |
/** |
|
975 |
* This DOM Level 3 method is not supported for {@code IIOMetadataNode} |
|
976 |
* and will throw a {@code DOMException}. |
|
977 |
* @throws DOMException - always. |
|
978 |
*/ |
|
979 |
public void setIdAttributeNS(String namespaceURI, |
|
980 |
String localName, |
|
981 |
boolean isId) |
|
982 |
throws DOMException { |
|
983 |
throw new DOMException(DOMException.NOT_SUPPORTED_ERR, |
|
984 |
"Method not supported"); |
|
985 |
} |
|
986 |
||
987 |
/** |
|
988 |
* This DOM Level 3 method is not supported for {@code IIOMetadataNode} |
|
989 |
* and will throw a {@code DOMException}. |
|
990 |
* @throws DOMException - always. |
|
991 |
*/ |
|
992 |
public void setIdAttributeNode(Attr idAttr, |
|
993 |
boolean isId) |
|
994 |
throws DOMException { |
|
995 |
throw new DOMException(DOMException.NOT_SUPPORTED_ERR, |
|
996 |
"Method not supported"); |
|
997 |
} |
|
998 |
||
999 |
/** |
|
1000 |
* This DOM Level 3 method is not supported for {@code IIOMetadataNode} |
|
1001 |
* and will throw a {@code DOMException}. |
|
1002 |
* @throws DOMException - always. |
|
1003 |
*/ |
|
1004 |
public TypeInfo getSchemaTypeInfo() throws DOMException { |
|
1005 |
throw new DOMException(DOMException.NOT_SUPPORTED_ERR, |
|
1006 |
"Method not supported"); |
|
1007 |
} |
|
1008 |
||
1009 |
/** |
|
1010 |
* This DOM Level 3 method is not supported for {@code IIOMetadataNode} |
|
1011 |
* and will throw a {@code DOMException}. |
|
1012 |
* @throws DOMException - always. |
|
1013 |
*/ |
|
1014 |
public Object setUserData(String key, |
|
1015 |
Object data, |
|
1016 |
UserDataHandler handler) throws DOMException { |
|
1017 |
throw new DOMException(DOMException.NOT_SUPPORTED_ERR, |
|
1018 |
"Method not supported"); |
|
1019 |
} |
|
1020 |
||
1021 |
/** |
|
1022 |
* This DOM Level 3 method is not supported for {@code IIOMetadataNode} |
|
1023 |
* and will throw a {@code DOMException}. |
|
1024 |
* @throws DOMException - always. |
|
1025 |
*/ |
|
1026 |
public Object getUserData(String key) throws DOMException { |
|
1027 |
throw new DOMException(DOMException.NOT_SUPPORTED_ERR, |
|
1028 |
"Method not supported"); |
|
1029 |
} |
|
1030 |
||
1031 |
/** |
|
1032 |
* This DOM Level 3 method is not supported for {@code IIOMetadataNode} |
|
1033 |
* and will throw a {@code DOMException}. |
|
1034 |
* @throws DOMException - always. |
|
1035 |
*/ |
|
1036 |
public Object getFeature(String feature, String version) |
|
1037 |
throws DOMException { |
|
1038 |
throw new DOMException(DOMException.NOT_SUPPORTED_ERR, |
|
1039 |
"Method not supported"); |
|
1040 |
} |
|
1041 |
||
1042 |
/** |
|
1043 |
* This DOM Level 3 method is not supported for {@code IIOMetadataNode} |
|
1044 |
* and will throw a {@code DOMException}. |
|
1045 |
* @throws DOMException - always. |
|
1046 |
*/ |
|
1047 |
public boolean isSameNode(Node node) throws DOMException { |
|
1048 |
throw new DOMException(DOMException.NOT_SUPPORTED_ERR, |
|
1049 |
"Method not supported"); |
|
1050 |
} |
|
1051 |
||
1052 |
/** |
|
1053 |
* This DOM Level 3 method is not supported for {@code IIOMetadataNode} |
|
1054 |
* and will throw a {@code DOMException}. |
|
1055 |
* @throws DOMException - always. |
|
1056 |
*/ |
|
1057 |
public boolean isEqualNode(Node node) throws DOMException { |
|
1058 |
throw new DOMException(DOMException.NOT_SUPPORTED_ERR, |
|
1059 |
"Method not supported"); |
|
1060 |
} |
|
1061 |
||
1062 |
/** |
|
1063 |
* This DOM Level 3 method is not supported for {@code IIOMetadataNode} |
|
1064 |
* and will throw a {@code DOMException}. |
|
1065 |
* @throws DOMException - always. |
|
1066 |
*/ |
|
1067 |
public String lookupNamespaceURI(String prefix) throws DOMException { |
|
1068 |
throw new DOMException(DOMException.NOT_SUPPORTED_ERR, |
|
1069 |
"Method not supported"); |
|
1070 |
} |
|
1071 |
||
1072 |
/** |
|
1073 |
* This DOM Level 3 method is not supported for {@code IIOMetadataNode} |
|
1074 |
* and will throw a {@code DOMException}. |
|
1075 |
* @throws DOMException - always. |
|
1076 |
*/ |
|
1077 |
public boolean isDefaultNamespace(String namespaceURI) |
|
1078 |
throws DOMException { |
|
1079 |
throw new DOMException(DOMException.NOT_SUPPORTED_ERR, |
|
1080 |
"Method not supported"); |
|
1081 |
} |
|
1082 |
||
1083 |
/** |
|
1084 |
* This DOM Level 3 method is not supported for {@code IIOMetadataNode} |
|
1085 |
* and will throw a {@code DOMException}. |
|
1086 |
* @throws DOMException - always. |
|
1087 |
*/ |
|
1088 |
public String lookupPrefix(String namespaceURI) throws DOMException { |
|
1089 |
throw new DOMException(DOMException.NOT_SUPPORTED_ERR, |
|
1090 |
"Method not supported"); |
|
1091 |
} |
|
1092 |
||
1093 |
/** |
|
1094 |
* This DOM Level 3 method is not supported for {@code IIOMetadataNode} |
|
1095 |
* and will throw a {@code DOMException}. |
|
1096 |
* @throws DOMException - always. |
|
1097 |
*/ |
|
1098 |
public String getTextContent() throws DOMException { |
|
1099 |
throw new DOMException(DOMException.NOT_SUPPORTED_ERR, |
|
1100 |
"Method not supported"); |
|
1101 |
} |
|
1102 |
||
1103 |
/** |
|
1104 |
* This DOM Level 3 method is not supported for {@code IIOMetadataNode} |
|
1105 |
* and will throw a {@code DOMException}. |
|
1106 |
* @throws DOMException - always. |
|
1107 |
*/ |
|
1108 |
public void setTextContent(String textContent) throws DOMException { |
|
1109 |
throw new DOMException(DOMException.NOT_SUPPORTED_ERR, |
|
1110 |
"Method not supported"); |
|
1111 |
} |
|
1112 |
||
1113 |
/** |
|
1114 |
* This DOM Level 3 method is not supported for {@code IIOMetadataNode} |
|
1115 |
* and will throw a {@code DOMException}. |
|
1116 |
* @throws DOMException - always. |
|
1117 |
*/ |
|
1118 |
public short compareDocumentPosition(Node other) |
|
1119 |
throws DOMException { |
|
1120 |
throw new DOMException(DOMException.NOT_SUPPORTED_ERR, |
|
1121 |
"Method not supported"); |
|
1122 |
} |
|
1123 |
||
1124 |
/** |
|
1125 |
* This DOM Level 3 method is not supported for {@code IIOMetadataNode} |
|
1126 |
* and will throw a {@code DOMException}. |
|
1127 |
* @throws DOMException - always. |
|
1128 |
*/ |
|
1129 |
public String getBaseURI() throws DOMException { |
|
1130 |
throw new DOMException(DOMException.NOT_SUPPORTED_ERR, |
|
1131 |
"Method not supported"); |
|
1132 |
} |
|
1133 |
//End of dummy methods for DOM L3. |
|
1134 |
||
1135 |
||
1136 |
} |