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java.lang.Object com.novell.xml.dom.NodeImpl com.novell.xml.dom.ElementImpl
Implementation of DOM level 1 Element
interface
Field Summary |
Fields inherited from class com.novell.xml.dom.NodeImpl |
allowedChildren, baseURI, changeCount, document, documentOrderVal, expandedName, firstChild, lastChild, localName, namespaceURI, nextOrderVal, nextSibling, nodeName, nodeValue, parentNode, prefix, previousSibling, toStringSerializes, xmlnsPrefix, xmlPrefix, xpathBehavior |
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 | |
protected |
ElementImpl(DocumentImpl owner,
String tagName)
Construct an Element instance with the passed name. |
protected |
ElementImpl(DocumentImpl owner,
String namespaceURI,
String qualifiedName)
Construct an Element instance with the passed namespaceURI and qualifiedName. |
Method Summary | |
protected void |
checkNamespaceAttr(String attrName)
Check the passed attribute name and if the attribute is a namespace declarations, invalidate the namespace nodes of this and all descendant Elements |
Node |
cloneNode(boolean deep)
Returns a duplicate of this node, i.e., serves as a generic copy constructor for nodes. |
String |
getAttribute(String name)
Retrieves an attribute value by name. |
Attr |
getAttributeNode(String name)
Retrieves an Attr node by name. |
Attr |
getAttributeNodeNS(String namespaceURI,
String localName)
Retrieves an Attr node by local name and namespace URI.
|
String |
getAttributeNS(String namespaceURI,
String localName)
Retrieves an attribute value by local name and namespace URI. |
NamedNodeMap |
getAttributes()
A NamedNodeMap containing the attributes of this node (if it
is an Element ) or null otherwise. |
NodeList |
getElementsByTagName(String name)
Returns a NodeList of all descendant elements with a given
tag name, in the order in which they would be encountered in a preorder
traversal of the Element tree. |
NodeList |
getElementsByTagNameNS(String namespaceURI,
String localName)
Returns a NodeList of all the descendant
Elements with a given local name and namespace URI in
the order in which they are encountered in a preorder traversal of
this Element tree.
|
Attr |
getIdAttr()
Return the id attribute, if any, for this element Non-DOM |
NamedNodeMap |
getNamespaces()
A NamedNodeMap containing the namespaces of this node (if it
is an Element ) or null otherwise.
|
short |
getNodeType()
A code representing the type of the underlying object, as defined above. |
String |
getTagName()
The name of the element. |
boolean |
hasAttribute(String name)
Returns true when an attribute with a given name is
specified on this element or has a default value, false
otherwise. |
boolean |
hasAttributeNS(String namespaceURI,
String localName)
Returns true when an attribute with a given local name and
namespace URI is specified on this element or has a default value,
false otherwise. |
protected void |
purgeCachedExpandedNames()
purge cached expandedNames |
void |
removeAttribute(String name)
Removes an attribute by name. |
Attr |
removeAttributeNode(Attr oldAttr)
Removes the specified attribute. |
void |
removeAttributeNS(String namespaceURI,
String localName)
Removes an attribute by local name and namespace URI. |
void |
setAttribute(String name,
String value)
Adds a new attribute. |
Attr |
setAttributeNode(Attr newAttr)
Adds a new attribute. |
Attr |
setAttributeNodeNS(Attr newAttr)
Adds a new attribute. |
void |
setAttributeNS(String namespaceURI,
String qualifiedName,
String value)
Adds a new attribute. |
protected void |
setMapped(boolean isMapped)
Method for DocumentImpl to note that this ElementImpl object is mapped in the id table |
protected int |
updateDocumentOrder(int order)
Set the document order values for any namespace nodes and attribute nodes belonging to this element. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Methods inherited from interface org.w3c.dom.Node |
appendChild, getChildNodes, getFirstChild, getLastChild, getLocalName, getNamespaceURI, getNextSibling, getNodeName, getNodeValue, getOwnerDocument, getParentNode, getPrefix, getPreviousSibling, hasAttributes, hasChildNodes, insertBefore, isSupported, normalize, removeChild, replaceChild, setNodeValue, setPrefix |
Constructor Detail |
protected ElementImpl(DocumentImpl owner, String tagName)
owner
- The owning document that is creating this node.tagName
- The name of the element.protected ElementImpl(DocumentImpl owner, String namespaceURI, String qualifiedName)
owner
- The owning document that is creating this node.namespaceURI
- URI stringqualifiedName
- namespace-qualified tag name of the element.Method Detail |
public short getNodeType()
getNodeType
in interface Node
getNodeType
in class NodeImpl
public String getTagName()
tagName
has
the value "elementExample"
. Note that this is
case-preserving in XML, as are all of the operations of the DOM. The
HTML DOM returns the tagName
of an HTML element in the
canonical uppercase form, regardless of the case in the source HTML
document.
getTagName
in interface Element
public NamedNodeMap getAttributes()
NamedNodeMap
containing the attributes of this node (if it
is an Element
) or null
otherwise.
getAttributes
in interface Node
getAttributes
in class NodeImpl
public Node cloneNode(boolean deep)
parentNode
returns null
.).
Element
copies all attributes and their
values, including those generated by the XML processor to represent
defaulted attributes, but this method does not copy any text it contains
unless it is a deep clone, since the text is contained in a child
Text
node. Cloning any other type of node simply returns a
copy of this node.
cloneNode
in interface Node
cloneNode
in class NodeImpl
deep
- If true
, recursively clone the subtree under the
specified node; if false
, clone only the node itself (and
its attributes, if it is an Element
).
public String getAttribute(String name)
getAttribute
in interface Element
name
- The name of the attribute to retrieve.
Attr
value as a string, or the empty string if
that attribute does not have a specified or default value.public void setAttribute(String name, String value) throws DOMException
Attr
node plus any Text
and
EntityReference
nodes, build the appropriate subtree, and
use setAttributeNode
to assign it as the value of an
attribute.
setAttribute
in interface Element
name
- The name of the attribute to create or alter.value
- Value to set in string form.
DOMException
- INVALID_CHARACTER_ERR: Raised if the specified name contains an
invalid character.
public void removeAttribute(String name) throws DOMException
removeAttribute
in interface Element
name
- The name of the attribute to remove.
DOMException
- NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.public Attr getAttributeNode(String name)
Attr
node by name.
getAttributeNode
in interface Element
name
- The name of the attribute to retrieve.
Attr
node with the specified attribute name or
null
if there is no such attribute.public Attr setAttributeNode(Attr newAttr) throws DOMException
setAttributeNode
in interface Element
newAttr
- The Attr
node to add to the attribute list.
newAttr
attribute replaces an existing
attribute with the same name, the previously existing
Attr
node is returned, otherwise null
is
returned.
DOMException
- WRONG_DOCUMENT_ERR: Raised if newAttr
was created from a
different document than the one that created the element.
newAttr
is already an
attribute of another Element
object. The DOM user must
explicitly clone Attr
nodes to re-use them in other
elements.public Attr removeAttributeNode(Attr oldAttr) throws DOMException
removeAttributeNode
in interface Element
oldAttr
- The Attr
node to remove from the attribute
list. If the removed Attr
has a default value it is
immediately replaced.
Attr
node that was removed.
DOMException
- NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
oldAttr
is not an attribute
of the element.public NodeList getElementsByTagName(String name)
NodeList
of all descendant elements with a given
tag name, in the order in which they would be encountered in a preorder
traversal of the Element
tree.
getElementsByTagName
in interface Element
name
- The name of the tag to match on. The special value "*"
matches all tags.
Element
nodes.public String getAttributeNS(String namespaceURI, String localName)
getAttributeNS
in interface Element
namespaceURI
- The namespace URI of the attribute to retrieve.localName
- The local name of the attribute to retrieve.
Attr
value as a string, or the empty string
if that attribute does not have a specified or default value.public void setAttributeNS(String namespaceURI, String qualifiedName, String value) throws DOMException
qualifiedName
, and
its value is changed to be the value
parameter. This
value is a simple string; it is not parsed as it is being set. So any
markup (such as syntax to be recognized as an entity reference) is
treated as literal text, and needs to be appropriately escaped by the
implementation when it is written out. In order to assign an
attribute value that contains entity references, the user must create
an Attr
node plus any Text
and
EntityReference
nodes, build the appropriate subtree,
and use setAttributeNodeNS
or
setAttributeNode
to assign it as the value of an
attribute.
setAttributeNS
in interface Element
namespaceURI
- The namespace URI of the attribute to create or
alter.qualifiedName
- The qualified name of the attribute to create or
alter.value
- The value to set in string form.
DOMException
- INVALID_CHARACTER_ERR: Raised if the specified qualified name
contains an illegal character.
qualifiedName
is
malformed, if the qualifiedName
has a prefix and the
namespaceURI
is null
, if the
qualifiedName
has a prefix that is "xml" and the
namespaceURI
is different from "
http://www.w3.org/XML/1998/namespace", or if the
qualifiedName
is "xmlns" and the
namespaceURI
is different from "
http://www.w3.org/2000/xmlns/".public void removeAttributeNS(String namespaceURI, String localName) throws DOMException
removeAttributeNS
in interface Element
namespaceURI
- The namespace URI of the attribute to remove.localName
- The local name of the attribute to remove.
DOMException
- NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.public Attr getAttributeNodeNS(String namespaceURI, String localName)
Attr
node by local name and namespace URI.
HTML-only DOM implementations do not need to implement this method.
getAttributeNodeNS
in interface Element
namespaceURI
- The namespace URI of the attribute to retrieve.localName
- The local name of the attribute to retrieve.
Attr
node with the specified attribute local
name and namespace URI or null
if there is no such
attribute.public Attr setAttributeNodeNS(Attr newAttr) throws DOMException
setAttributeNodeNS
in interface Element
newAttr
- The Attr
node to add to the attribute list.
newAttr
attribute replaces an existing
attribute with the same local name and namespace URI, the replaced
Attr
node is returned, otherwise null
is
returned.
DOMException
- WRONG_DOCUMENT_ERR: Raised if newAttr
was created from a
different document than the one that created the element.
newAttr
is already an
attribute of another Element
object. The DOM user must
explicitly clone Attr
nodes to re-use them in other
elements.public NodeList getElementsByTagNameNS(String namespaceURI, String localName)
NodeList
of all the descendant
Elements
with a given local name and namespace URI in
the order in which they are encountered in a preorder traversal of
this Element
tree.
getElementsByTagNameNS
in interface Element
namespaceURI
- The namespace URI of the elements to match on. The
special value "*" matches all namespaces.localName
- The local name of the elements to match on. The
special value "*" matches all local names.
NodeList
object containing all the matched
Elements
.public boolean hasAttribute(String name)
true
when an attribute with a given name is
specified on this element or has a default value, false
otherwise.
hasAttribute
in interface Element
name
- The name of the attribute to look for.
true
if an attribute with the given name is
specified on this element or has a default value, false
otherwise.public boolean hasAttributeNS(String namespaceURI, String localName)
true
when an attribute with a given local name and
namespace URI is specified on this element or has a default value,
false
otherwise. HTML-only DOM implementations do not
need to implement this method.
hasAttributeNS
in interface Element
namespaceURI
- The namespace URI of the attribute to look for.localName
- The local name of the attribute to look for.
true
if an attribute with the given local name
and namespace URI is specified or has a default value on this
element, false
otherwise.public Attr getIdAttr()
public NamedNodeMap getNamespaces()
NamedNodeMap
containing the namespaces of this node (if it
is an Element
) or null
otherwise.
NOTE: This will not be currently maintained as the tree is modified.
protected int updateDocumentOrder(int order)
order
- The starting order value to use.
protected void setMapped(boolean isMapped)
protected void checkNamespaceAttr(String attrName)
attrName
- The name of the attribute to check.protected void purgeCachedExpandedNames()
purgeCachedExpandedNames
in class NodeImpl
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