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Enhydra 3.1 API | ||||||||
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java.lang.Object | +--org.apache.xalan.xpath.dtm.DTMProxyMap
DTMProxyMap is a quickie (as opposed to quick) implementation of the DOM's NamedNodeMap interface, intended to support DTMProxy's getAttributes() call.
***** Note: this does _not_ current attempt to cache any of the data; if you ask for attribute 27 and then 28, you'll have to rescan the first 27. It should probably at least keep track of the last one retrieved, and possibly buffer the whole array.
***** Also note that there's no fastpath for the by-name query; we search linearly until we find it or fail to find it. Again, that could be optimized at some cost in object creation/storage.
Method Summary | |
int |
getLength()
Return the number of Attributes on this Element |
Node |
getNamedItem(java.lang.String name)
Return the Attr node having a specific name |
Node |
getNamedItemNS(java.lang.String namespaceURI,
java.lang.String localName)
Retrieve a node specified by local name and namespace URI -- DOMLevel 2 |
Node |
item(int i)
Return the i'th Attr node bound to this element |
Node |
removeNamedItem(java.lang.String name)
DOM API requires this, but DTM is a read-only model |
Node |
removeNamedItemNS(java.lang.String namespaceURI,
java.lang.String localName)
DOM 2 API requires this, but DTM is a read-only model |
Node |
setNamedItem(Node newNode)
DOM API requires this, but DTM is a read-only model |
Node |
setNamedItemNS(Node arg)
DOM 2 API requires this, but DTM is a read-only model |
Methods inherited from class java.lang.Object |
clone,
equals,
finalize,
getClass,
hashCode,
notify,
notifyAll,
toString,
wait,
wait,
wait |
Method Detail |
public int getLength()
public Node getNamedItem(java.lang.String name)
name
- The nodeName
of a node to retrieve.Node
(of any type) with the specified
nodeName
, or null
if it does not identify
any node in this map.public Node item(int i)
index
- Index into this map.index
th position in the map, or
null
if that is not a valid index.public Node setNamedItem(Node newNode)
arg
- A node to store in this map. The node will later be
accessible using the value of its nodeName
attribute.Node
replaces an existing node the
replaced Node
is returned, otherwise null
is returned.arg
was created from a
different document than the one that created this map.
arg
is an
Attr
that is already an attribute of another
Element
object. The DOM user must explicitly clone
Attr
nodes to re-use them in other elements.public Node removeNamedItem(java.lang.String name)
name
- The nodeName
of the node to remove.name
in this map.
public Node getNamedItemNS(java.lang.String namespaceURI, java.lang.String localName)
namespaceURI
- The namespace URI of the node to retrieve.localName
- The local name of the node to retrieve.Node
(of any type) with the specified local
name and namespace URI, or null
if they do not identify
any node in this map.public Node setNamedItemNS(Node arg) throws DOMException
arg
- A node to store in this map. The node will later be
accessible using the value of its namespaceURI
and
localName
attributes.Node
replaces an existing node the
replaced Node
is returned, otherwise null
is returned.arg
was created from a
different document than the one that created this map.
arg
is an
Attr
that is already an attribute of another
Element
object. The DOM user must explicitly clone
Attr
nodes to re-use them in other elements.public Node removeNamedItemNS(java.lang.String namespaceURI, java.lang.String localName) throws DOMException
namespaceURI
- The namespace URI of the node to remove.localName
- The local name of the node to remove.namespaceURI
and localName
in this map.
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