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Java Source Code / Java Documentation » XML » XPath Saxon » net.sf.saxon.tree 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   net.sf.saxon.tree.NodeImpl

All known Subclasses:   net.sf.saxon.tree.AttributeImpl,  net.sf.saxon.tree.TextImpl,  net.sf.saxon.tree.CommentImpl,  net.sf.saxon.tree.ProcInstImpl,  net.sf.saxon.tree.ParentNodeImpl,
NodeImpl
abstract public class NodeImpl implements NodeInfo,FingerprintedNode,SourceLocator(Code)
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
final public static  char[]NODE_LETTER
     Chararacteristic letters to identify each type of node, indexed using the node type values.
protected  intindex
    
protected  ParentNodeImplparent
    


Method Summary
public  Valueatomize()
     Get the typed value.
final public  intcompareOrder(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.
Parameters:
  other - The other node, whose position is to be compared with this node -1 if this node precedes the other node, +1 if it follows the othernode, or 0 if they are the same node.
public  StringgenerateId()
    
public  StringgetAttributeValue(int fingerprint)
    
public  StringgetBaseURI()
     Get the base URI for the node.
public  intgetColumnNumber()
     Get the column number of the node.
public  ConfigurationgetConfiguration()
    
public  int[]getDeclaredNamespaces(int[] buffer)
     Get all namespace undeclarations and undeclarations defined on this element.
Parameters:
  buffer - If this is non-null, and the result array fits in this buffer, then the resultmay overwrite the contents of this array, to avoid the cost of allocating a new array on the heap.
public  StringgetDisplayName()
     Get the display name of this node.
public  intgetDocumentNumber()
     Get the document number of the document containing this node.
public  DocumentInfogetDocumentRoot()
    
public  intgetFingerprint()
     Get the fingerprint of the node.
public  NodeInfogetFirstChild()
    
public  NodeInfogetLastChild()
    
public  intgetLineNumber()
    
public  StringgetLocalPart()
     Get the local name of this node.
public  intgetNameCode()
     Get the nameCode of the node.
public  NamePoolgetNamePool()
    
public  NodeImplgetNextInDocument(NodeImpl anchor)
    
public  NodeInfogetNextSibling()
     Get next sibling node The next sibling node of the required type.
final public  NodeInfogetParent()
     Find the parent node of this node.
public  StringgetPrefix()
     Get the prefix part of the name of this node.
public  NodeImplgetPreviousInDocument()
    
public  NodeInfogetPreviousSibling()
     Get the previous sibling of the node The previous sibling node.
public  StringgetPublicId()
     Get the public identifier of the document entity containing this node.
public  NodeInfogetRoot()
    
protected  longgetSequenceNumber()
     Get the node sequence number (in document order).
public  CharSequencegetStringValueCS()
     Get the value of the item as a CharSequence.
public  StringgetSystemId()
     Get the system ID for the node.
public  intgetTypeAnnotation()
    
public  SequenceIteratorgetTypedValue()
     Get the typed value of this node.
public  StringgetURI()
     Get the URI part of the name of this node.
public  booleanhasChildNodes()
     Determine whether the node has any children.
public  booleanisSameNodeInfo(NodeInfo other)
    
public  AxisIteratoriterateAxis(byte axisNumber)
    
public  AxisIteratoriterateAxis(byte axisNumber, NodeTest nodeTest)
    
public  voidsendNamespaceDeclarations(Receiver out, boolean includeAncestors)
     Output all namespace nodes associated with this element.
public  voidsetSystemId(String uri)
     Set the system ID of this node.

Field Detail
NODE_LETTER
final public static char[] NODE_LETTER(Code)
Chararacteristic letters to identify each type of node, indexed using the node type values. These are used as the initial letter of the result of generate-id()



index
protected int index(Code)



parent
protected ParentNodeImpl parent(Code)





Method Detail
atomize
public Value atomize() throws XPathException(Code)
Get the typed value. The result of this method will always be consistent with the method net.sf.saxon.om.Item.getTypedValue . However, this method is often more convenient and may be more efficient, especially in the common case where the value is expected to be a singleton. the typed value. If requireSingleton is set to true, the result will always be anAtomicValue. In other cases it may be a Value representing a sequence whose items are atomicvalues.
since:
   8.5



compareOrder
final public int compareOrder(NodeInfo other)(Code)
Determine the relative position of this node and another node, in document order. The other node will always be in the same document.
Parameters:
  other - The other node, whose position is to be compared with this node -1 if this node precedes the other node, +1 if it follows the othernode, or 0 if they are the same node. (In this case, isSameNode() will alwaysreturn true, and the two nodes will produce the same result for generateId())



generateId
public String generateId()(Code)
Get a character string that uniquely identifies this node within this document (The calling code will prepend a document identifier) a string.



getAttributeValue
public String getAttributeValue(int fingerprint)(Code)
Get the value of a given attribute of this node
Parameters:
  fingerprint - The fingerprint of the attribute name the attribute value if it exists or null if not



getBaseURI
public String getBaseURI()(Code)
Get the base URI for the node. Default implementation for child nodes.



getColumnNumber
public int getColumnNumber()(Code)
Get the column number of the node. The default implementation returns -1, meaning unknown



getConfiguration
public Configuration getConfiguration()(Code)
Get the configuration



getDeclaredNamespaces
public int[] getDeclaredNamespaces(int[] buffer)(Code)
Get all namespace undeclarations and undeclarations defined on this element.
Parameters:
  buffer - If this is non-null, and the result array fits in this buffer, then the resultmay overwrite the contents of this array, to avoid the cost of allocating a new array on the heap. An array of integers representing the namespace declarations and undeclarations present onthis element. For a node other than an element, return null. Otherwise, the returned array is asequence of namespace codes, whose meaning may be interpreted by reference to the name pool. Thetop half word of each namespace code represents the prefix, the bottom half represents the URI.If the bottom half is zero, then this is a namespace undeclaration rather than a declaration.The XML namespace is never included in the list. If the supplied array is larger than required,then the first unused entry will be set to -1.

For a node other than an element, the method returns null.




getDisplayName
public String getDisplayName()(Code)
Get the display name of this node. For elements and attributes this is [prefix:]localname. For unnamed nodes, it is an empty string. The display name of this node.For a node with no name, return an empty string.



getDocumentNumber
public int getDocumentNumber()(Code)
Get the document number of the document containing this node. For a free-standing orphan node, just return the hashcode.



getDocumentRoot
public DocumentInfo getDocumentRoot()(Code)
Get the root (document) node the DocumentInfo representing the containing document



getFingerprint
public int getFingerprint()(Code)
Get the fingerprint of the node. This is used to compare whether two nodes have equivalent names. Return -1 for a node with no name.



getFirstChild
public NodeInfo getFirstChild()(Code)
Get first child - default implementation used for leaf nodes null



getLastChild
public NodeInfo getLastChild()(Code)
Get last child - default implementation used for leaf nodes null



getLineNumber
public int getLineNumber()(Code)
Get the line number of the node within its source document entity



getLocalPart
public String getLocalPart()(Code)
Get the local name of this node. The local name of this node.For a node with no name, return "",.



getNameCode
public int getNameCode()(Code)
Get the nameCode of the node. This is used to locate the name in the NamePool



getNamePool
public NamePool getNamePool()(Code)
Get the NamePool



getNextInDocument
public NodeImpl getNextInDocument(NodeImpl anchor)(Code)
Get the next node in document order
Parameters:
  anchor - the scan stops when it reaches a node that is not a descendant of the specifiedanchor node the next node in the document, or null if there is no such node



getNextSibling
public NodeInfo getNextSibling()(Code)
Get next sibling node The next sibling node of the required type. Returns null if the current node is the lastchild of its parent.



getParent
final public NodeInfo getParent()(Code)
Find the parent node of this node. The Node object describing the containing element or root node.



getPrefix
public String getPrefix()(Code)
Get the prefix part of the name of this node. This is the name before the ":" if any. the prefix part of the name. For an unnamed node, return an empty string.



getPreviousInDocument
public NodeImpl getPreviousInDocument()(Code)
Get the previous node in document order the previous node in the document, or null if there is no such node



getPreviousSibling
public NodeInfo getPreviousSibling()(Code)
Get the previous sibling of the node The previous sibling node. Returns null if the current node is the firstchild of its parent.



getPublicId
public String getPublicId()(Code)
Get the public identifier of the document entity containing this node. The default implementation returns null, meaning unknown



getRoot
public NodeInfo getRoot()(Code)
Get the root node the NodeInfo representing the containing document



getSequenceNumber
protected long getSequenceNumber()(Code)
Get the node sequence number (in document order). Sequence numbers are monotonic but not consecutive. In the current implementation, parent nodes (elements and roots) have a zero least-significant word, while namespaces, attributes, text nodes, comments, and PIs have the top word the same as their owner and the bottom half reflecting their relative position. This is the default implementation for child nodes.



getStringValueCS
public CharSequence getStringValueCS()(Code)
Get the value of the item as a CharSequence. This is in some cases more efficient than the version of the method that returns a String.



getSystemId
public String getSystemId()(Code)
Get the system ID for the node. Default implementation for child nodes.



getTypeAnnotation
public int getTypeAnnotation()(Code)
Get the type annotation of this node, if any



getTypedValue
public SequenceIterator getTypedValue() throws XPathException(Code)
Get the typed value of this node. If there is no type annotation, we return the string value, as an instance of xdt:untypedAtomic



getURI
public String getURI()(Code)
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. The URI of the namespace of this node. For the default namespace, return anempty string. For an unnamed node, return the empty string.



hasChildNodes
public boolean hasChildNodes()(Code)
Determine whether the node has any children. true if the node has any children,false if the node has no children.



isSameNodeInfo
public boolean isSameNodeInfo(NodeInfo other)(Code)
Determine whether this is the same node as another node true if this Node object and the supplied Node object represent thesame node in the tree.



iterateAxis
public AxisIterator iterateAxis(byte axisNumber)(Code)
Return an enumeration over the nodes reached by the given axis from this node
Parameters:
  axisNumber - The axis to be iterated over an AxisIterator that scans the nodes reached by the axis in turn.



iterateAxis
public AxisIterator iterateAxis(byte axisNumber, NodeTest nodeTest)(Code)
Return an enumeration over the nodes reached by the given axis from this node
Parameters:
  axisNumber - The axis to be iterated over
Parameters:
  nodeTest - A pattern to be matched by the returned nodes an AxisIterator that scans the nodes reached by the axis in turn.



sendNamespaceDeclarations
public void sendNamespaceDeclarations(Receiver out, boolean includeAncestors) throws XPathException(Code)
Output all namespace nodes associated with this element. Does nothing if the node is not an element.
Parameters:
  out - The relevant outputter
Parameters:
  includeAncestors - True if namespaces declared on ancestor elements must



setSystemId
public void setSystemId(String uri)(Code)
Set the system ID of this node. This method is provided so that a NodeInfo implements the javax.xml.transform.Source interface, allowing a node to be used directly as the Source of a transformation



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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