XML Standard API: Interface XPathNamespace

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## org.w3c.dom.xpath
Interface XPathNamespace

All Superinterfaces:
  Node

public interface XPathNamespace
extends Node

The `XPathNamespace` interface is returned by `XPathResult` interfaces to represent the XPath namespace node type that DOM lacks. There is no public constructor for this node type. Attempts to place it into a hierarchy or a NamedNodeMap result in a `DOMException` with the code `HIERARCHY_REQUEST_ERR` . This node is read only, so methods or setting of attributes that would mutate the node result in a DOMException with the code `NO_MODIFICATION_ALLOWED_ERR`.

The core specification describes attributes of the `Node` interface that are different for different node types but does not describe `XPATH_NAMESPACE_NODE`, so here is a description of those attributes for this node type. All attributes of `Node` not described in this section have a `null` or `false` value.

`ownerDocument` matches the `ownerDocument` of the `ownerElement` even if the element is later adopted.

`nodeName` is always the string "`#namespace`".

`prefix` is the prefix of the namespace represented by the node.

`localName` is the same as `prefix`.

`nodeType` is equal to `XPATH_NAMESPACE_NODE`.

`namespaceURI` is the namespace URI of the namespace represented by the node.

`nodeValue` is the same as `namespaceURI`.

`adoptNode`, `cloneNode`, and `importNode` fail on this node type by raising a `DOMException` with the code `NOT_SUPPORTED_ERR`.

Note: In future versions of the XPath specification, the definition of a namespace node may be changed incomatibly, in which case incompatible changes to field values may be required to implement versions beyond XPath 1.0.

See also the Document Object Model (DOM) Level 3 XPath Specification.

Field Summary
`static short` | `XPATH_NAMESPACE_NODE` The node is a `Namespace`.

Fields inherited from interface org.w3c.dom.Node
`ATTRIBUTE_NODE, CDATA_SECTION_NODE, COMMENT_NODE, DOCUMENT_FRAGMENT_NODE, DOCUMENT_NODE, DOCUMENT_POSITION_CONTAINED_BY, DOCUMENT_POSITION_CONTAINS, DOCUMENT_POSITION_DISCONNECTED, DOCUMENT_POSITION_FOLLOWING, DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC, DOCUMENT_POSITION_PRECEDING, DOCUMENT_TYPE_NODE, ELEMENT_NODE, ENTITY_NODE, ENTITY_REFERENCE_NODE, NOTATION_NODE, PROCESSING_INSTRUCTION_NODE, TEXT_NODE`

Method Summary
`Element` | `getOwnerElement()` The `Element` on which the namespace was in scope when it was requested.

Methods inherited from interface org.w3c.dom.Node
`appendChild, cloneNode, compareDocumentPosition, getAttributes, getBaseURI, getChildNodes, getFeature, getFirstChild, getLastChild, getLocalName, getNamespaceURI, getNextSibling, getNodeName, getNodeType, getNodeValue, getOwnerDocument, getParentNode, getPrefix, getPreviousSibling, getTextContent, getUserData, hasAttributes, hasChildNodes, insertBefore, isDefaultNamespace, isEqualNode, isSameNode, isSupported, lookupNamespaceURI, lookupPrefix, normalize, removeChild, replaceChild, setNodeValue, setPrefix, setTextContent, setUserData`

Field Detail

### XPATH_NAMESPACE_NODE

    public static final short XPATH_NAMESPACE_NODE

  The node is a `Namespace`.

Method Detail

### getOwnerElement

    public Element getOwnerElement()

  The `Element` on which the namespace was in scope when it was requested. This does not change on a returned namespace node even if the document changes such that the namespace goes out of scope on that element and this node is no longer found there by XPath.

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