Class DeferredAttrImpl
- All Implemented Interfaces:
Serializable
,Cloneable
,DeferredNode
,Attr
,EventTarget
,Node
,NodeList
,TypeInfo
If the attribute has not been explicitly assigned a value, but has been declared in the DTD, it will exist and have that default. Only if neither the document nor the DTD specifies a value will the Attribute really be considered absent and have no value; in that case, querying the attribute will return null.
Attributes may have multiple children that contain their data. (XML allows attributes to contain entity references, and tokenized attribute types such as NMTOKENS may have a child for each token.) For convenience, the Attribute object's getValue() method returns the string version of the attribute's value.
Attributes are not children of the Elements they belong to, in the usual sense, and have no valid Parent reference. However, the spec says they _do_ belong to a specific Element, and an INUSE exception is to be thrown if the user attempts to explicitly share them between elements.
Note that Elements do not permit attributes to appear to be shared (see the INUSE exception), so this object's mutability is officially not an issue.
DeferredAttrImpl inherits from AttrImpl which does not support Namespaces. DeferredAttrNSImpl, which inherits from AttrNSImpl, does.
- Since:
- PR-DOM-Level-1-19980818.
- Version:
- $Id: DeferredAttrImpl.java 447266 2006-09-18 05:57:49Z mrglavas $
- Author:
- Andy Clark, IBM, Arnaud Le Hors, IBM
- See Also:
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Field Summary
FieldsFields inherited from class org.apache.xerces.dom.NodeImpl
DOCUMENT_POSITION_CONTAINS, DOCUMENT_POSITION_DISCONNECTED, DOCUMENT_POSITION_FOLLOWING, DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC, DOCUMENT_POSITION_IS_CONTAINED, DOCUMENT_POSITION_PRECEDING, ELEMENT_DEFINITION_NODE, FIRSTCHILD, flags, HASSTRING, ID, IGNORABLEWS, NORMALIZED, OWNED, ownerNode, READONLY, SPECIFIED, SYNCCHILDREN, SYNCDATA, TREE_POSITION_ANCESTOR, TREE_POSITION_DESCENDANT, TREE_POSITION_DISCONNECTED, TREE_POSITION_EQUIVALENT, TREE_POSITION_FOLLOWING, TREE_POSITION_PRECEDING, TREE_POSITION_SAME_NODE
Fields inherited from interface org.apache.xerces.dom.DeferredNode
TYPE_NODE
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
Fields inherited from interface org.w3c.dom.TypeInfo
DERIVATION_EXTENSION, DERIVATION_LIST, DERIVATION_RESTRICTION, DERIVATION_UNION
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Method Summary
Modifier and TypeMethodDescriptionint
Returns the node index.protected void
Synchronizes the node's children with the internal structure.protected void
Synchronizes the data (name and value) for fast nodes.Methods inherited from class org.apache.xerces.dom.AttrImpl
cloneNode, getChildNodes, getElement, getFirstChild, getLastChild, getLength, getName, getNodeName, getNodeType, getNodeValue, getOwnerElement, getSchemaTypeInfo, getSpecified, getTypeName, getTypeNamespace, getValue, hasChildNodes, insertBefore, isDerivedFrom, isEqualNode, isId, item, makeChildNode, normalize, removeChild, replaceChild, setIdAttribute, setNodeValue, setOwnerDocument, setReadOnly, setSpecified, setType, setValue, toString
Methods inherited from class org.apache.xerces.dom.NodeImpl
addEventListener, appendChild, changed, changes, compareDocumentPosition, compareTreePosition, dispatchEvent, getAttributes, getBaseURI, getContainer, getFeature, getLocalName, getNamespaceURI, getNextSibling, getNodeNumber, getOwnerDocument, getParentNode, getPrefix, getPreviousSibling, getReadOnly, getTextContent, getUserData, getUserData, getUserDataRecord, hasAttributes, isDefaultNamespace, isSameNode, isSupported, lookupNamespaceURI, lookupPrefix, needsSyncChildren, removeEventListener, setPrefix, setTextContent, setUserData, setUserData
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, 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
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Field Details
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fNodeIndex
protected transient int fNodeIndexNode index.
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Method Details
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getNodeIndex
public int getNodeIndex()Returns the node index.- Specified by:
getNodeIndex
in interfaceDeferredNode
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synchronizeData
protected void synchronizeData()Synchronizes the data (name and value) for fast nodes.- Overrides:
synchronizeData
in classNodeImpl
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synchronizeChildren
protected void synchronizeChildren()Synchronizes the node's children with the internal structure. Fluffing the children at once solves a lot of work to keep the two structures in sync. The problem gets worse when editing the tree -- this makes it a lot easier.- Overrides:
synchronizeChildren
in classAttrImpl
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