org.apache.xml.utils
Class UnImplNode

java.lang.Object
  org.apache.xml.utils.UnImplNode

All Implemented Interfaces:

Document, Element, Node, NodeList

Direct Known Subclasses:

ElemTemplateElement

public class UnImplNode

extends java.lang.Object

implements Node, Element, NodeList, Document

To be subclassed by classes that wish to fake being nodes.

Field Summary

Fields inherited from interface org.w3c.dom.Node

ATTRIBUTE_NODE, CDATA_SECTION_NODE, COMMENT_NODE, DOCUMENT_FRAGMENT_NODE, DOCUMENT_NODE, DOCUMENT_TYPE_NODE, ELEMENT_NODE, ENTITY_NODE, ENTITY_REFERENCE_NODE, NOTATION_NODE, PROCESSING_INSTRUCTION_NODE, TEXT_NODE

Constructor Summary

UnImplNode()
Constructor UnImplNode

Method Summary

Node	adoptNode(Node source) NEEDSDOC Method adoptNode NEEDSDOC @param source NEEDSDOC (adoptNode) @return
Node	appendChild(Node newChild) Unimplemented.
void	appendData(java.lang.String arg) Unimplemented.
Node	cloneNode(boolean deep) Unimplemented.
Attr	createAttribute(java.lang.String name) Unimplemented.
Attr	createAttributeNS(java.lang.String namespaceURI, java.lang.String qualifiedName) Unimplemented.
CDATASection	createCDATASection(java.lang.String data) Unimplemented.
Comment	createComment(java.lang.String data) Unimplemented.
DocumentFragment	createDocumentFragment() Unimplemented.
Element	createElement(java.lang.String tagName) Unimplemented.
Element	createElementNS(java.lang.String namespaceURI, java.lang.String qualifiedName) Unimplemented.
EntityReference	createEntityReference(java.lang.String name) Unimplemented.
ProcessingInstruction	createProcessingInstruction(java.lang.String target, java.lang.String data) Unimplemented.
Text	createTextNode(java.lang.String data) Unimplemented.
void	deleteData(int offset, int count) Unimplemented.
void	error(java.lang.String msg) Throw an error.
void	error(java.lang.String msg, java.lang.Object[] args) Throw an error.
java.lang.String	getAttribute(java.lang.String name) Unimplemented.
Attr	getAttributeNode(java.lang.String name) Unimplemented.
Attr	getAttributeNodeNS(java.lang.String namespaceURI, java.lang.String localName) Unimplemented.
java.lang.String	getAttributeNS(java.lang.String namespaceURI, java.lang.String localName) Unimplemented.
NamedNodeMap	getAttributes() Unimplemented.
NodeList	getChildNodes() Unimplemented.
DocumentType	getDoctype() Unimplemented.
Element	getDocumentElement() Unimplemented.
Element	getElementById(java.lang.String elementId) Unimplemented.
NodeList	getElementsByTagName(java.lang.String name) Unimplemented.
NodeList	getElementsByTagNameNS(java.lang.String namespaceURI, java.lang.String localName) Unimplemented.
java.lang.String	getEncoding() EXPERIMENTAL!
Node	getFirstChild() Unimplemented.
DOMImplementation	getImplementation() Unimplemented.
Node	getLastChild() Unimplemented.
int	getLength() Unimplemented.
java.lang.String	getLocalName() Unimplemented.
java.lang.String	getNamespaceURI() Unimplemented.
Node	getNextSibling() Unimplemented.
java.lang.String	getNodeName() Unimplemented.
short	getNodeType() Unimplemented.
java.lang.String	getNodeValue() Unimplemented.
Document	getOwnerDocument() Unimplemented.
Element	getOwnerElement() Unimplemented.
Node	getParentNode() Unimplemented.
java.lang.String	getPrefix() Unimplemented.
Node	getPreviousSibling() Unimplemented.
boolean	getSpecified() Unimplemented.
boolean	getStandalone() EXPERIMENTAL!
boolean	getStrictErrorChecking() EXPERIMENTAL!
java.lang.String	getTagName() Unimplemented.
java.lang.String	getVersion() EXPERIMENTAL!
boolean	hasAttribute(java.lang.String name) Unimplemented.
boolean	hasAttributeNS(java.lang.String name, java.lang.String x) Unimplemented.
boolean	hasAttributes() Unimplemented.
boolean	hasChildNodes() Unimplemented.
Node	importNode(Node importedNode, boolean deep) Unimplemented.
Node	insertBefore(Node newChild, Node refChild) Unimplemented.
void	insertData(int offset, java.lang.String arg) Unimplemented.
boolean	isSupported(java.lang.String feature, java.lang.String version) Tests whether the DOM implementation implements a specific feature and that feature is supported by this node.
Node	item(int index) Unimplemented.
void	normalize() Unimplemented.
void	removeAttribute(java.lang.String name) Unimplemented.
Attr	removeAttributeNode(Attr oldAttr) Unimplemented.
void	removeAttributeNS(java.lang.String namespaceURI, java.lang.String localName) Unimplemented.
Node	removeChild(Node oldChild) Unimplemented.
Node	replaceChild(Node newChild, Node oldChild) Unimplemented.
void	replaceData(int offset, int count, java.lang.String arg) Unimplemented.
void	setAttribute(java.lang.String name, java.lang.String value) Unimplemented.
Attr	setAttributeNode(Attr newAttr) Unimplemented.
Attr	setAttributeNodeNS(Attr newAttr) Unimplemented.
void	setAttributeNS(java.lang.String namespaceURI, java.lang.String qualifiedName, java.lang.String value) Unimplemented.
void	setData(java.lang.String data) Set Node data
void	setEncoding(java.lang.String encoding) EXPERIMENTAL!
void	setNodeValue(java.lang.String nodeValue) Unimplemented.
void	setPrefix(java.lang.String prefix) Unimplemented.
void	setStandalone(boolean standalone) EXPERIMENTAL!
void	setStrictErrorChecking(boolean strictErrorChecking) EXPERIMENTAL!
void	setValue(java.lang.String value) Unimplemented.
void	setVersion(java.lang.String version) EXPERIMENTAL!
Text	splitText(int offset) Unimplemented.
java.lang.String	substringData(int offset, int count) Unimplemented.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

UnImplNode

public UnImplNode()

Constructor UnImplNode

Method Detail

error

public void error(java.lang.String msg)

Throw an error.

Parameters:

msg - Message Key for the error

error

public void error(java.lang.String msg,
                  java.lang.Object[] args)

Throw an error.

Parameters:

msg - Message Key for the error

args - Array of arguments to be used in the error message

appendChild

public Node appendChild(Node newChild)
                 throws DOMException

Unimplemented. See org.w3c.dom.Node

Specified by:

appendChild in interface Node

Parameters:

newChild - New node to append to the list of this node's children

Returns:

null

Throws:

DOMException

hasChildNodes

public boolean hasChildNodes()

Unimplemented. See org.w3c.dom.Node

Specified by:

hasChildNodes in interface Node

Returns:

false

getNodeType

public short getNodeType()

Unimplemented. See org.w3c.dom.Node

Specified by:

getNodeType in interface Node

Returns:

0

getParentNode

public Node getParentNode()

Unimplemented. See org.w3c.dom.Node

Specified by:

getParentNode in interface Node

Returns:

null

getChildNodes

public NodeList getChildNodes()

Unimplemented. See org.w3c.dom.Node

Specified by:

getChildNodes in interface Node

Returns:

null

getFirstChild

public Node getFirstChild()

Unimplemented. See org.w3c.dom.Node

Specified by:

getFirstChild in interface Node

Returns:

null

getLastChild

public Node getLastChild()

Unimplemented. See org.w3c.dom.Node

Specified by:

getLastChild in interface Node

Returns:

null

getNextSibling

public Node getNextSibling()

Unimplemented. See org.w3c.dom.Node

Specified by:

getNextSibling in interface Node

Returns:

null

getLength

public int getLength()

Unimplemented. See org.w3c.dom.NodeList

Specified by:

getLength in interface NodeList

Returns:

0

item

public Node item(int index)

Unimplemented. See org.w3c.dom.NodeList

Specified by:

item in interface NodeList

Parameters:

index - index of a child of this node in its list of children

Returns:

null

getOwnerDocument

public Document getOwnerDocument()

Unimplemented. See org.w3c.dom.Node

Specified by:

getOwnerDocument in interface Node

Returns:

null

getTagName

public java.lang.String getTagName()

Unimplemented. See org.w3c.dom.Node

Specified by:

getTagName in interface Element

Returns:

null

getNodeName

public java.lang.String getNodeName()

Unimplemented. See org.w3c.dom.Node

Specified by:

getNodeName in interface Node

Returns:

null

normalize

public void normalize()

Unimplemented. See org.w3c.dom.Node

Specified by:

normalize in interface Node

getElementsByTagName

public NodeList getElementsByTagName(java.lang.String name)

Unimplemented. See org.w3c.dom.Element

Specified by:

getElementsByTagName in interface Element

Parameters:

name - Name of the element

Returns:

null

removeAttributeNode

public Attr removeAttributeNode(Attr oldAttr)
                         throws DOMException

Unimplemented. See org.w3c.dom.Element

Specified by:

removeAttributeNode in interface Element

Parameters:

oldAttr - Attribute to be removed from this node's list of attributes

Returns:

null

Throws:

DOMException

setAttributeNode

public Attr setAttributeNode(Attr newAttr)
                      throws DOMException

Unimplemented. See org.w3c.dom.Element

Specified by:

setAttributeNode in interface Element

Parameters:

newAttr - Attribute node to be added to this node's list of attributes

Returns:

null

Throws:

DOMException

hasAttribute

public boolean hasAttribute(java.lang.String name)

Unimplemented. See org.w3c.dom.Element

Specified by:

hasAttribute in interface Element

Parameters:

name - Name of an attribute

Returns:

false

hasAttributeNS

public boolean hasAttributeNS(java.lang.String name,
                              java.lang.String x)

Unimplemented. See org.w3c.dom.Element

Specified by:

hasAttributeNS in interface Element

Parameters:

name -

x -

Returns:

false

getAttributeNode

public Attr getAttributeNode(java.lang.String name)

Unimplemented. See org.w3c.dom.Element

Specified by:

getAttributeNode in interface Element

Parameters:

name - Attribute node name

Returns:

null

removeAttribute

public void removeAttribute(java.lang.String name)
                     throws DOMException

Unimplemented. See org.w3c.dom.Element

Specified by:

removeAttribute in interface Element

Parameters:

name - Attribute node name to remove from list of attributes

Throws:

DOMException

setAttribute

public void setAttribute(java.lang.String name,
                         java.lang.String value)
                  throws DOMException

Unimplemented. See org.w3c.dom.Element

Specified by:

setAttribute in interface Element

Parameters:

name - Name of attribute to set

value - Value of attribute

Throws:

DOMException

getAttribute

public java.lang.String getAttribute(java.lang.String name)

Unimplemented. See org.w3c.dom.Element

Specified by:

getAttribute in interface Element

Parameters:

name - Name of attribute to get

Returns:

null

hasAttributes

public boolean hasAttributes()

Unimplemented. Introduced in DOM Level 2.

Specified by:

hasAttributes in interface Node

Returns:

false

getElementsByTagNameNS

public NodeList getElementsByTagNameNS(java.lang.String namespaceURI,
                                       java.lang.String localName)

Unimplemented. See org.w3c.dom.Element

Specified by:

getElementsByTagNameNS in interface Element

Parameters:

namespaceURI - Namespace URI of the element

localName - Local part of qualified name of the element

Returns:

null

setAttributeNodeNS

public Attr setAttributeNodeNS(Attr newAttr)
                        throws DOMException

Unimplemented. See org.w3c.dom.Element

Specified by:

setAttributeNodeNS in interface Element

Parameters:

newAttr - Attribute to set

Returns:

null

Throws:

DOMException

getAttributeNodeNS

public Attr getAttributeNodeNS(java.lang.String namespaceURI,
                               java.lang.String localName)

Unimplemented. See org.w3c.dom.Element

Specified by:

getAttributeNodeNS in interface Element

Parameters:

namespaceURI - Namespace URI of attribute node to get

localName - Local part of qualified name of attribute node to get

Returns:

null

removeAttributeNS

public void removeAttributeNS(java.lang.String namespaceURI,
                              java.lang.String localName)
                       throws DOMException

Unimplemented. See org.w3c.dom.Element

Specified by:

removeAttributeNS in interface Element

Parameters:

namespaceURI - Namespace URI of attribute node to remove

localName - Local part of qualified name of attribute node to remove

Throws:

DOMException

setAttributeNS

public void setAttributeNS(java.lang.String namespaceURI,
                           java.lang.String qualifiedName,
                           java.lang.String value)
                    throws DOMException

Unimplemented. See org.w3c.dom.Element

Specified by:

setAttributeNS in interface Element

Parameters:

namespaceURI - Namespace URI of attribute node to set

value - value of attribute

qualifiedName - The qualified name of the attribute to create or alter.

Throws:

DOMException

getAttributeNS

public java.lang.String getAttributeNS(java.lang.String namespaceURI,
                                       java.lang.String localName)

Unimplemented. See org.w3c.dom.Element

Specified by:

getAttributeNS in interface Element

Parameters:

namespaceURI - Namespace URI of attribute node to get

localName - Local part of qualified name of attribute node to get

Returns:

null

getPreviousSibling

public Node getPreviousSibling()

Unimplemented. See org.w3c.dom.Node

Specified by:

getPreviousSibling in interface Node

Returns:

null

cloneNode

public Node cloneNode(boolean deep)

Unimplemented. See org.w3c.dom.Node

Specified by:

cloneNode in interface Node

Parameters:

deep - Flag indicating whether to clone deep (clone member variables)

Returns:

null

getNodeValue

public java.lang.String getNodeValue()
                              throws DOMException

Unimplemented. See org.w3c.dom.Node

Specified by:

getNodeValue in interface Node

Returns:

null

Throws:

DOMException

setNodeValue

public void setNodeValue(java.lang.String nodeValue)
                  throws DOMException

Unimplemented. See org.w3c.dom.Node

Specified by:

setNodeValue in interface Node

Parameters:

nodeValue - Value to set this node to

Throws:

DOMException

setValue

public void setValue(java.lang.String value)
              throws DOMException

Unimplemented. See org.w3c.dom.Node

Parameters:

value - Value to set this node to

Throws:

DOMException

getOwnerElement

public Element getOwnerElement()

Unimplemented. See org.w3c.dom.Node

Returns:

null

getSpecified

public boolean getSpecified()

Unimplemented. See org.w3c.dom.Node

Returns:

False

getAttributes

public NamedNodeMap getAttributes()

Unimplemented. See org.w3c.dom.Node

Specified by:

getAttributes in interface Node

Returns:

null

insertBefore

public Node insertBefore(Node newChild,
                         Node refChild)
                  throws DOMException

Unimplemented. See org.w3c.dom.Node

Specified by:

insertBefore in interface Node

Parameters:

newChild - New child node to insert

refChild - Insert in front of this child

Returns:

null

Throws:

DOMException

replaceChild

public Node replaceChild(Node newChild,
                         Node oldChild)
                  throws DOMException

Unimplemented. See org.w3c.dom.Node

Specified by:

replaceChild in interface Node

Parameters:

newChild - Replace existing child with this one

oldChild - Existing child to be replaced

Returns:

null

Throws:

DOMException

removeChild

public Node removeChild(Node oldChild)
                 throws DOMException

Unimplemented. See org.w3c.dom.Node

Specified by:

removeChild in interface Node

Parameters:

oldChild - Child to be removed

Returns:

null

Throws:

DOMException

isSupported

public boolean isSupported(java.lang.String feature,
                           java.lang.String version)

Tests whether the DOM implementation implements a specific feature and that feature is supported by this node.

Specified by:

isSupported in interface Node

Parameters:

feature - The name of the feature to test. This is the same name which can be passed to the method hasFeature on DOMImplementation.

version - This is the version number of the feature to test. In Level 2, version 1, this is the string "2.0". If the version is not specified, supporting any version of the feature will cause the method to return true.

Returns:

Returns false

Since:

DOM Level 2

getNamespaceURI

public java.lang.String getNamespaceURI()

Unimplemented. See org.w3c.dom.Node

Specified by:

getNamespaceURI in interface Node

Returns:

null

getPrefix

public java.lang.String getPrefix()

Unimplemented. See org.w3c.dom.Node

Specified by:

getPrefix in interface Node

Returns:

null

setPrefix

public void setPrefix(java.lang.String prefix)
               throws DOMException

Unimplemented. See org.w3c.dom.Node

Specified by:

setPrefix in interface Node

Parameters:

prefix - Prefix to set for this node

Throws:

DOMException

getLocalName

public java.lang.String getLocalName()

Unimplemented. See org.w3c.dom.Node

Specified by:

getLocalName in interface Node

Returns:

null

getDoctype

public DocumentType getDoctype()

Unimplemented. See org.w3c.dom.Document

Specified by:

getDoctype in interface Document

Returns:

null

getImplementation

public DOMImplementation getImplementation()

Unimplemented. See org.w3c.dom.Document

Specified by:

getImplementation in interface Document

Returns:

null

getDocumentElement

public Element getDocumentElement()

Unimplemented. See org.w3c.dom.Document

Specified by:

getDocumentElement in interface Document

Returns:

null

createElement

public Element createElement(java.lang.String tagName)
                      throws DOMException

Unimplemented. See org.w3c.dom.Document

Specified by:

createElement in interface Document

Parameters:

tagName - Element tag name

Returns:

null

Throws:

DOMException

createDocumentFragment

public DocumentFragment createDocumentFragment()

Unimplemented. See org.w3c.dom.Document

Specified by:

createDocumentFragment in interface Document

Returns:

null

createTextNode

public Text createTextNode(java.lang.String data)

Unimplemented. See org.w3c.dom.Document

Specified by:

createTextNode in interface Document

Parameters:

data - Data for text node

Returns:

null

createComment

public Comment createComment(java.lang.String data)

Unimplemented. See org.w3c.dom.Document

Specified by:

createComment in interface Document

Parameters:

data - Data for comment

Returns:

null

createCDATASection

public CDATASection createCDATASection(java.lang.String data)
                                throws DOMException

Unimplemented. See org.w3c.dom.Document

Specified by:

createCDATASection in interface Document

Parameters:

data - Data for CDATA section

Returns:

null

Throws:

DOMException

createProcessingInstruction

public ProcessingInstruction createProcessingInstruction(java.lang.String target,
                                                         java.lang.String data)
                                                  throws DOMException

Unimplemented. See org.w3c.dom.Document

Specified by:

createProcessingInstruction in interface Document

Parameters:

target - Target for Processing instruction

data - Data for Processing instruction

Returns:

null

Throws:

DOMException

createAttribute

public Attr createAttribute(java.lang.String name)
                     throws DOMException

Unimplemented. See org.w3c.dom.Document

Specified by:

createAttribute in interface Document

Parameters:

name - Attribute name

Returns:

null

Throws:

DOMException

createEntityReference

public EntityReference createEntityReference(java.lang.String name)
                                      throws DOMException

Unimplemented. See org.w3c.dom.Document

Specified by:

createEntityReference in interface Document

Parameters:

name - Entity Reference name

Returns:

null

Throws:

DOMException

importNode

public Node importNode(Node importedNode,
                       boolean deep)
                throws DOMException

Unimplemented. See org.w3c.dom.Document

Specified by:

importNode in interface Document

Parameters:

importedNode - The node to import.

deep - If true, recursively import the subtree under the specified node; if false, import only the node itself, as explained above. This has no effect on Attr , EntityReference, and Notation nodes.

Returns:

null

Throws:

DOMException

createElementNS

public Element createElementNS(java.lang.String namespaceURI,
                               java.lang.String qualifiedName)
                        throws DOMException

Unimplemented. See org.w3c.dom.Document

Specified by:

createElementNS in interface Document

Parameters:

namespaceURI - Namespace URI for the element

qualifiedName - Qualified name of the element

Returns:

null

Throws:

DOMException

createAttributeNS

public Attr createAttributeNS(java.lang.String namespaceURI,
                              java.lang.String qualifiedName)
                       throws DOMException

Unimplemented. See org.w3c.dom.Document

Specified by:

createAttributeNS in interface Document

Parameters:

namespaceURI - Namespace URI of the attribute

qualifiedName - Qualified name of the attribute

Returns:

null

Throws:

DOMException

getElementById

public Element getElementById(java.lang.String elementId)

Unimplemented. See org.w3c.dom.Document

Specified by:

getElementById in interface Document

Parameters:

elementId - ID of the element to get

Returns:

null

setData

public void setData(java.lang.String data)
             throws DOMException

Set Node data

Parameters:

data - data to set for this node

Throws:

DOMException

substringData

public java.lang.String substringData(int offset,
                                      int count)
                               throws DOMException

Unimplemented.

Parameters:

offset - Start offset of substring to extract.

count - The length of the substring to extract.

Returns:

null

Throws:

DOMException

appendData

public void appendData(java.lang.String arg)
                throws DOMException

Unimplemented.

Parameters:

arg - String data to append

Throws:

DOMException

insertData

public void insertData(int offset,
                       java.lang.String arg)
                throws DOMException

Unimplemented.

Parameters:

offset - Start offset of substring to insert.

Throws:

DOMException

deleteData

public void deleteData(int offset,
                       int count)
                throws DOMException

Unimplemented.

Parameters:

offset - Start offset of substring to delete.

count - The length of the substring to delete.

Throws:

DOMException

replaceData

public void replaceData(int offset,
                        int count,
                        java.lang.String arg)
                 throws DOMException

Unimplemented.

Parameters:

offset - Start offset of substring to replace.

count - The length of the substring to replace.

arg - substring to replace with

Throws:

DOMException

splitText

public Text splitText(int offset)
               throws DOMException

Unimplemented.

Parameters:

offset - Offset into text to split

Returns:

null, unimplemented

Throws:

DOMException

adoptNode

public Node adoptNode(Node source)
               throws DOMException

NEEDSDOC Method adoptNode NEEDSDOC @param source NEEDSDOC (adoptNode) @return

Throws:

DOMException

getEncoding

public java.lang.String getEncoding()

EXPERIMENTAL! Based on the Document Object Model (DOM) Level 3 Core Working Draft of 5 June 2001..

An attribute specifying, as part of the XML declaration, the encoding of this document. This is null when unspecified.

Since:

DOM Level 3 NEEDSDOC ($objectName$) @return

setEncoding

public void setEncoding(java.lang.String encoding)

EXPERIMENTAL! Based on the Document Object Model (DOM) Level 3 Core Working Draft of 5 June 2001..

An attribute specifying, as part of the XML declaration, the encoding of this document. This is null when unspecified.

Since:

DOM Level 3 NEEDSDOC @param encoding

getStandalone

public boolean getStandalone()

EXPERIMENTAL! Based on the Document Object Model (DOM) Level 3 Core Working Draft of 5 June 2001..

An attribute specifying, as part of the XML declaration, whether this document is standalone.

Since:

DOM Level 3 NEEDSDOC ($objectName$) @return

setStandalone

public void setStandalone(boolean standalone)

EXPERIMENTAL! Based on the Document Object Model (DOM) Level 3 Core Working Draft of 5 June 2001..

An attribute specifying, as part of the XML declaration, whether this document is standalone.

Since:

DOM Level 3 NEEDSDOC @param standalone

getStrictErrorChecking

public boolean getStrictErrorChecking()

EXPERIMENTAL! Based on the Document Object Model (DOM) Level 3 Core Working Draft of 5 June 2001..

An attribute specifying whether errors checking is enforced or not. When set to false, the implementation is free to not test every possible error case normally defined on DOM operations, and not raise any DOMException. In case of error, the behavior is undefined. This attribute is true by defaults.

Since:

DOM Level 3 NEEDSDOC ($objectName$) @return

setStrictErrorChecking

public void setStrictErrorChecking(boolean strictErrorChecking)

EXPERIMENTAL! Based on the Document Object Model (DOM) Level 3 Core Working Draft of 5 June 2001..

An attribute specifying whether errors checking is enforced or not. When set to false, the implementation is free to not test every possible error case normally defined on DOM operations, and not raise any DOMException. In case of error, the behavior is undefined. This attribute is true by defaults.

Since:

DOM Level 3 NEEDSDOC @param strictErrorChecking

getVersion

public java.lang.String getVersion()

EXPERIMENTAL! Based on the Document Object Model (DOM) Level 3 Core Working Draft of 5 June 2001..

An attribute specifying, as part of the XML declaration, the version number of this document. This is null when unspecified.

Since:

DOM Level 3 NEEDSDOC ($objectName$) @return

setVersion

public void setVersion(java.lang.String version)

EXPERIMENTAL! Based on the Document Object Model (DOM) Level 3 Core Working Draft of 5 June 2001..

An attribute specifying, as part of the XML declaration, the version number of this document. This is null when unspecified.

Since:

DOM Level 3 NEEDSDOC @param version