Class TinyNodeImpl

java.lang.Object

com.icl.saxon.om.AbstractNode

com.icl.saxon.tinytree.TinyNodeImpl

All Implemented Interfaces:

NodeInfo, DOMLocator, Source, SourceLocator, Node

Direct Known Subclasses:

TinyAttributeImpl, TinyCommentImpl, TinyNamespaceImpl, TinyParentNodeImpl, TinyProcInstImpl, TinyTextImpl

abstract class TinyNodeImpl
extends AbstractNode

A node in the XML parse tree representing an XML element, character content, or attribute.

This is the top-level class in the implementation class hierarchy; it essentially contains all those methods that can be defined using other primitive methods, without direct access to data.

Author:

Michael H. Kay

Field Summary

Fields

Modifier and Type	Field	Description
protected TinyDocumentImpl	document
protected int	nodeNr
protected TinyNodeImpl	parent

Fields inherited from class AbstractNode

NODE_LETTER

Fields inherited from interface 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 NodeInfo

ATTRIBUTE, COMMENT, ELEMENT, NAMESPACE, NODE, NONE, NUMBER_OF_TYPES, PI, ROOT, TEXT

Constructor Summary

Constructors

Constructor	Description
TinyNodeImpl()

Method Summary

Modifier and Type	Method	Description
final int	compareOrder(NodeInfo other)	Determine the relative position of this node and another node, in document order.
String	generateId()	Get a character string that uniquely identifies this node
String	getAttributeValue(int fingerprint)	Get the value of a given attribute of this node
String	getAttributeValue(String uri, String localName)	Find the value of a given attribute of this node.
String	getBaseURI()	Get the base URI for the node.
String	getDisplayName()	Get the display name of this node.
DocumentInfo	getDocumentRoot()	Get the root (document) node
AxisEnumeration	getEnumeration(byte axisNumber, NodeTest nodeTest)	Return an enumeration over the nodes reached by the given axis from this node
int	getFingerprint()	Get the fingerprint of the node, used for matching names
int	getLineNumber()	Get the line number of the node within its source document entity
String	getLocalName()	Get the local name of this node.
int	getNameCode()	Get the name code of the node, used for matching names
Node	getOriginatingNode()	Get the node corresponding to this javax.xml.transform.dom.DOMLocator
NodeInfo	getParent()	Find the parent node of this node.
String	getPrefix()	Get the prefix part of the name of this node.
protected long	getSequenceNumber()	Get the node sequence number (in document order).
String	getSystemId()	Get the system ID for the entity containing the node.
String	getURI()	Get the URI part of the name of this node.
boolean	hasAttributes()	Returns whether this node has any attributes.
boolean	hasChildNodes()	Determine whether the node has any children.
boolean	isSameNodeInfo(NodeInfo other)	Determine whether this is the same node as another node
void	outputNamespaceNodes(Outputter out, boolean includeAncestors)	Output all namespace nodes associated with this element.
void	setLineNumber(int line)	Set the line number of the node within its source document entity
protected void	setParentNode(TinyNodeImpl parent)	Set the parent of this node.
void	setSystemId(String uri)	Set the system id of this node.

Methods inherited from class AbstractNode

appendChild, appendData, cloneNode, compareDocumentPosition, copyStringValue, createAttribute, createAttributeNS, createCDATASection, createComment, createDocumentFragment, createElement, createElementNS, createEntityReference, createProcessingInstruction, createTextNode, deleteData, disallowUpdate, getAttribute, getAttributeNode, getAttributeNodeNS, getAttributeNS, getAttributes, getChildNodes, getColumnNumber, getData, getDoctype, getDocumentElement, getElementById, getElementsByTagName, getElementsByTagNameNS, getFeature, getFirstChild, getImplementation, getLastChild, getLength, getName, getNamespaceURI, getNextSibling, getNodeName, getNodeValue, getOwnerDocument, getOwnerElement, getParentNode, getPreviousSibling, getPublicId, getSchemaTypeInfo, getSpecified, getTagName, getTextContent, getUserData, getValue, getWholeText, hasAttribute, hasAttributeNS, importNode, insertBefore, insertData, isDefaultNamespace, isElementContentWhitespace, isEqualNode, isId, isSameNode, isSupported, lookupNamespaceURI, lookupPrefix, normalize, removeAttribute, removeAttributeNode, removeAttributeNS, removeChild, replaceChild, replaceData, replaceWholeText, setAttributeNode, setAttributeNodeNS, setAttributeNS, setData, setIdAttribute, setIdAttributeNode, setIdAttributeNS, setNodeValue, setPrefix, setTextContent, setUserData, setValue, splitText, substringData, supports

Methods inherited from class Object

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

Methods inherited from interface Node

getNodeType

Methods inherited from interface NodeInfo

copy, getNodeType, getStringValue

Methods inherited from interface Source

isEmpty

Field Details

document

protected TinyDocumentImpl document

nodeNr

protected int nodeNr

parent

protected TinyNodeImpl parent

Constructor Details

TinyNodeImpl

TinyNodeImpl()

Method Details

setSystemId

public void setSystemId(String uri)

Set the system id of this node.
This method is present to ensure that the class implements the javax.xml.transform.Source interface, so a node can be used as the source of a transformation.

setParentNode

protected void setParentNode(TinyNodeImpl parent)

Set the parent of this node. Providing this information is useful, if it is known, because otherwise getParent() has to search backwards through the document.

isSameNodeInfo

public boolean isSameNodeInfo(NodeInfo other)

Determine whether this is the same node as another node

Specified by:

isSameNodeInfo in interface NodeInfo

Specified by:

isSameNodeInfo in class AbstractNode

Returns:

true if this Node object and the supplied Node object represent the same node in the tree.

getSystemId

public String getSystemId()

Get the system ID for the entity containing the node.

Specified by:

getSystemId in interface NodeInfo

Specified by:

getSystemId in interface Source

Specified by:

getSystemId in interface SourceLocator

Specified by:

getSystemId in class AbstractNode

Returns:

the System Identifier of the entity in the source document containing the node, or null if not known. Note this is not the same as the base URI: the base URI can be modified by xml:base, but the system ID cannot.

getBaseURI

public String getBaseURI()

Get the base URI for the node. Default implementation for child nodes gets the base URI of the parent node.

Specified by:

getBaseURI in interface Node

Specified by:

getBaseURI in interface NodeInfo

Specified by:

getBaseURI in class AbstractNode

getOriginatingNode

public Node getOriginatingNode()

Get the node corresponding to this javax.xml.transform.dom.DOMLocator

Specified by:

getOriginatingNode in interface DOMLocator

Overrides:

getOriginatingNode in class AbstractNode

setLineNumber

public void setLineNumber(int line)

Set the line number of the node within its source document entity

getLineNumber

public int getLineNumber()

Get the line number of the node within its source document entity

Specified by:

getLineNumber in interface NodeInfo

Specified by:

getLineNumber in interface SourceLocator

Overrides:

getLineNumber in class AbstractNode

Returns:

the line number of the node in its original source document; or -1 if not available

getSequenceNumber

protected long getSequenceNumber()

Get the node sequence number (in document order). Sequence numbers are monotonic but not consecutive. The sequence number must be unique within the document (not, as in previous releases, within the whole document collection)

compareOrder

public final int compareOrder(NodeInfo other)

Determine the relative position of this node and another node, in document order. The other node will always be in the same document.

Specified by:

compareOrder in interface NodeInfo

Specified by:

compareOrder in class AbstractNode

Parameters:

other - The other node, whose position is to be compared with this node

Returns:

-1 if this node precedes the other node, +1 if it follows the other node, or 0 if they are the same node. (In this case, isSameNode() will always return true, and the two nodes will produce the same result for generateId())

getFingerprint

public int getFingerprint()

Get the fingerprint of the node, used for matching names

Specified by:

getFingerprint in interface NodeInfo

Specified by:

getFingerprint in class AbstractNode

getNameCode

public int getNameCode()

Get the name code of the node, used for matching names

Specified by:

getNameCode in interface NodeInfo

Specified by:

getNameCode in class AbstractNode

See Also:

• allocate
• getFingerprint

getPrefix

public String getPrefix()

Get the prefix part of the name of this node. This is the name before the ":" if any.

Specified by:

getPrefix in interface Node

Specified by:

getPrefix in interface NodeInfo

Specified by:

getPrefix in class AbstractNode

Returns:

the prefix part of the name. For an unnamed node, return "".

getURI

public String getURI()

Get the URI part of the name of this node. This is the URI corresponding to the prefix, or the URI of the default namespace if appropriate.

Specified by:

getURI in interface NodeInfo

Specified by:

getURI in class AbstractNode

Returns:

The URI of the namespace of this node. For an unnamed node, or for an element or attribute in the default namespace, return an empty string.

getDisplayName

public String getDisplayName()

Get the display name of this node. For elements and attributes this is [prefix:]localname. For unnamed nodes, it is an empty string.

Specified by:

getDisplayName in interface NodeInfo

Overrides:

getDisplayName in class AbstractNode

Returns:

The display name of this node. For a node with no name, return an empty string.

getLocalName

public String getLocalName()

Get the local name of this node.

Specified by:

getLocalName in interface Node

Specified by:

getLocalName in interface NodeInfo

Specified by:

getLocalName in class AbstractNode

Returns:

The local name of this node. For a node with no name, return an empty string.

getEnumeration

public AxisEnumeration getEnumeration(byte axisNumber,
 NodeTest nodeTest)

Return an enumeration over the nodes reached by the given axis from this node

Specified by:

getEnumeration in interface NodeInfo

Specified by:

getEnumeration in class AbstractNode

Parameters:

axisNumber - Identifies the required axis, eg. Axis.CHILD or Axis.PARENT

nodeTest - A pattern to be matched by the returned nodes

Returns:

a AxisEnumeration that scans the nodes reached by the axis in turn.

getParent

public NodeInfo getParent()

Find the parent node of this node.

Specified by:

getParent in interface NodeInfo

Specified by:

getParent in class AbstractNode

Returns:

The Node object describing the containing element or root node.

hasChildNodes

public boolean hasChildNodes()

Determine whether the node has any children.

Specified by:

hasChildNodes in interface Node

Specified by:

hasChildNodes in interface NodeInfo

Specified by:

hasChildNodes in class AbstractNode

Returns:

true if this node has any attributes, false otherwise.

hasAttributes

public boolean hasAttributes()

Returns whether this node has any attributes.

Specified by:

hasAttributes in interface Node

Specified by:

hasAttributes in class AbstractNode

Returns:

true if this node has any attributes, false otherwise.

Since:

DOM Level 2

getAttributeValue

public String getAttributeValue(String uri,
 String localName)

Find the value of a given attribute of this node.
This method is defined on all nodes to meet XSL requirements, but for nodes other than elements it will always return null.

Specified by:

getAttributeValue in interface NodeInfo

Specified by:

getAttributeValue in class AbstractNode

Parameters:

uri - the namespace uri of an attribute

localName - the local name of an attribute

Returns:

the value of the attribute, if it exists, otherwise null

getAttributeValue

public String getAttributeValue(int fingerprint)

Get the value of a given attribute of this node

Specified by:

getAttributeValue in interface NodeInfo

Specified by:

getAttributeValue in class AbstractNode

Parameters:

fingerprint - The fingerprint of the attribute name

Returns:

the attribute value if it exists or null if not

getDocumentRoot

public DocumentInfo getDocumentRoot()

Get the root (document) node

Specified by:

getDocumentRoot in interface NodeInfo

Overrides:

getDocumentRoot in class AbstractNode

Returns:

the DocumentInfo representing the containing document

outputNamespaceNodes

public void outputNamespaceNodes(Outputter out,
 boolean includeAncestors)
                          throws TransformerException

Output all namespace nodes associated with this element. Does nothing if the node is not an element.

Specified by:

outputNamespaceNodes in interface NodeInfo

Overrides:

outputNamespaceNodes in class AbstractNode

Parameters:

out - The relevant outputter

includeAncestors - True if namespaces declared on ancestor elements must be output; false if it is known that these are already on the result tree

Throws:

TransformerException

generateId

public String generateId()

Get a character string that uniquely identifies this node

Specified by:

generateId in interface NodeInfo

Specified by:

generateId in class AbstractNode

Returns:

a string.