Class NodeWrapper

java.lang.Object
com.icl.saxon.jdom.NodeWrapper
All Implemented Interfaces:
NodeInfo, Source
Direct Known Subclasses:
DocumentWrapper
public class NodeWrapper extends Object implements NodeInfo
A node in the XML parse tree representing an XML element, character content, or attribute.

This is the top class in the interface hierarchy for nodes; see NodeImpl for the implementation hierarchy.

Author:
Michael H. Kay

  • Field Details

    • node

      protected Object node

    • nodeType

      protected short nodeType

    • parent

      protected NodeWrapper parent

    • docWrapper

      protected DocumentWrapper docWrapper

    • index

      protected int index

  • Constructor Details

  • Method Details

    • makeWrapper

      public NodeWrapper makeWrapper(Object node, NodeWrapper parent, int index)

    • getNode

      public Object getNode()
      Get the underlying JDOM node

    • getNodeType

      public short getNodeType()
      Return the type of node.
      Specified by:
      getNodeType in interface NodeInfo
      Returns:
      one of the values Node.ELEMENT, Node.TEXT, Node.ATTRIBUTE, etc.

    • isSameNodeInfo

      public boolean isSameNodeInfo(NodeInfo other)
      Determine whether this is the same node as another node.
      Note: a.isSameNode(b) if and only if generateId(a)==generateId(b)
      Specified by:
      isSameNodeInfo in interface NodeInfo
      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 node.
      Specified by:
      getSystemId in interface NodeInfo
      Specified by:
      getSystemId in interface Source
      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.

    • setSystemId

      public void setSystemId(String uri)
      Specified by:
      setSystemId in interface Source

    • getBaseURI

      public String getBaseURI()
      Get the Base URI for the node, that is, the URI used for resolving a relative URI contained in the node. This will be the same as the System ID unless xml:base has been used.
      Specified by:
      getBaseURI in interface NodeInfo

    • getLineNumber

      public int getLineNumber()
      Get line number
      Specified by:
      getLineNumber in interface NodeInfo
      Returns:
      the line number of the node in its original source document; or -1 if not available

    • compareOrder

      public 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
      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())

    • getStringValue

      public String getStringValue()
      Return the string value of the node. The interpretation of this depends on the type of node. For an element it is the accumulated character content of the element, including descendant elements.
      Specified by:
      getStringValue in interface NodeInfo
      Returns:
      the string value of the node

    • getNameCode

      public int getNameCode()
      Get name code. The name code is a coded form of the node name: two nodes with the same name code have the same namespace URI, the same local name, and the same prefix. By masking the name code with invalid input: '&'0xfffff, you get a fingerprint: two nodes with the same fingerprint have the same local name and namespace URI.
      Specified by:
      getNameCode in interface NodeInfo
      See Also:

    • getFingerprint

      public int getFingerprint()
      Get fingerprint. The fingerprint is a coded form of the expanded name of the node: two nodes with the same name code have the same namespace URI and the same local name. A fingerprint of -1 should be returned for a node with no name.
      Specified by:
      getFingerprint in interface NodeInfo

    • getLocalName

      public String getLocalName()
      Get the local part of the name of this node. This is the name after the ":" if any.
      Specified by:
      getLocalName in interface NodeInfo
      Returns:
      the local part of the name. For an unnamed node, return an empty string.

    • 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 NodeInfo
      Returns:
      the prefix part of the name. For an unnamed node, return an empty string.

    • 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
      Returns:
      The URI of the namespace of this node. For an unnamed node, return null. For a node with an empty prefix, 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
      Returns:
      The display name of this node. For a node with no name, return an empty string.

    • getParent

      public NodeInfo getParent()
      Get the NodeInfo object representing the parent of this node
      Specified by:
      getParent in interface NodeInfo

    • 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
      Parameters:
      axisNumber - the axis to be followed (a constant in class Axis)
      nodeTest - the type(s) of node to be included, e.g. NodeInfo.ELEMENT, NodeInfo.TEXT. The value NodeInfo.NODE means include any type of node.
      nodeTest - A pattern to be matched by the returned nodes
      Returns:
      a NodeEnumeration that scans the nodes reached by the axis in turn.

    • 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
      Parameters:
      uri - the namespace uri of an attribute ("" if no namespace)
      localName - the local name of the 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
      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
      Returns:
      the DocumentInfo representing the containing document

    • hasChildNodes

      public boolean hasChildNodes()
      Determine whether the node has any children.
      Note: the result is equivalent to
      getEnumeration(Axis.CHILD, AnyNodeTest.getInstance()).hasMoreElements()
      Specified by:
      hasChildNodes in interface NodeInfo

    • generateId

      public String generateId()
      Get a character string that uniquely identifies this node.
      Note: a.isSameNode(b) if and only if generateId(a)==generateId(b)
      Specified by:
      generateId in interface NodeInfo
      Returns:
      a string that uniquely identifies this node, within this document. The calling code prepends information to make the result unique across all documents.

    • copy

      public void copy(Outputter out) throws TransformerException
      Copy this node to a given outputter (deep copy)
      Specified by:
      copy in interface NodeInfo
      Throws:
      TransformerException

    • copyStringValue

      public void copyStringValue(Outputter out) throws TransformerException
      Copy the string-value of this node to a given outputter
      Specified by:
      copyStringValue in interface NodeInfo
      Throws:
      TransformerException

    • 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
      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