org.apache.xalan.lib.sql
Class ColumnHeader

java.lang.Object
  |
  +--org.apache.xml.utils.UnImplNode
        |
        +--org.apache.xalan.lib.sql.StreamableNode
              |
              +--org.apache.xalan.lib.sql.ColumnHeader

public class ColumnHeader

extends StreamableNode

implements NamedNodeMap

This class represents a column-header Node, which contains the metadata for a column.

Constructor Summary

ColumnHeader(XStatement statement, RowSet parent, int columnIndex, java.sql.ResultSetMetaData metaData)
Constructor ColumnHeader

Method Summary

NamedNodeMap	getAttributes() Return the metadata for this column.
Node	getFirstChild() getFirstChild - Always returns null.
int	getLength() Get the number of attributes of column metadata attributes.
Node	getNamedItem(java.lang.String name) Get an attribute by name from the metadata for this column.
Node	getNamedItemNS(java.lang.String namespaceURI, java.lang.String localName) Get an attribute by namespaced name from the metadata for this column.
Node	getNextSibling() Returns column-header Node for the next column.
java.lang.String	getNodeName() Return Node name, "column-header".
Node	getParentNode() The parent node of a column-header Node is the row-set Node.
boolean	hasChildNodes() Tell if there are any children of the column-header Node, which is always false.
Node	item(int index) Get an attribute by index from the metadata for this column.
Node	removeNamedItem(java.lang.String name) Remove an attribute - Not supported
Node	removeNamedItemNS(java.lang.String namespaceURI, java.lang.String localName) Removed namespaced attribute - Not supported
Node	setNamedItem(Node arg) Set an attribute from the metadata for this column.
Node	setNamedItemNS(Node arg) Set namespaced attribute - Not supported

Methods inherited from class org.apache.xalan.lib.sql.StreamableNode

getLocalName, getNamespaceURI, getNodeTest, getNodeType, getOwnerDocument, getPrefix, getUid, getXStatement, isSupported, setNodeTest

Methods inherited from class org.apache.xml.utils.UnImplNode

appendChild, appendData, cloneNode, createAttribute, createAttributeNS, createCDATASection, createComment, createDocumentFragment, createElement, createElementNS, createEntityReference, createProcessingInstruction, createTextNode, deleteData, error, error, getAttribute, getAttributeNode, getAttributeNodeNS, getAttributeNS, getChildNodes, getDoctype, getDocumentElement, getElementById, getElementsByTagName, getElementsByTagNameNS, getImplementation, getLastChild, getNodeValue, getOwnerElement, getPreviousSibling, getSpecified, getTagName, hasAttribute, hasAttributeNS, hasAttributes, importNode, insertBefore, insertData, normalize, removeAttribute, removeAttributeNode, removeAttributeNS, removeChild, replaceChild, replaceData, setAttribute, setAttributeNode, setAttributeNodeNS, setAttributeNS, setData, setNodeValue, setPrefix, setValue, splitText, substringData

Methods inherited from class java.lang.Object

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

Constructor Detail

ColumnHeader

public ColumnHeader(XStatement statement,
                    RowSet parent,
                    int columnIndex,
                    java.sql.ResultSetMetaData metaData)

Constructor ColumnHeader

Parameters:

statement - Owning document

parent - Parent node, a row-set

columnIndex - Index of column this header is for

metaData - Meta data

Method Detail

getNodeName

public java.lang.String getNodeName()

Return Node name, "column-header".

Returns:

"column-header".

Overrides:

getNodeName in class UnImplNode

getFirstChild

public Node getFirstChild()

getFirstChild - Always returns null.

Returns:

null

Overrides:

getFirstChild in class UnImplNode

getNextSibling

public Node getNextSibling()

Returns column-header Node for the next column.

Returns:

a ColumnHeader Node or null.

Overrides:

getNextSibling in class UnImplNode

getParentNode

public Node getParentNode()

The parent node of a column-header Node is the row-set Node.

Returns:

a RowSet.

Overrides:

getParentNode in class UnImplNode

hasChildNodes

public boolean hasChildNodes()

Tell if there are any children of the column-header Node, which is always false.

Returns:

false

Overrides:

hasChildNodes in class UnImplNode

getAttributes

public NamedNodeMap getAttributes()

Return the metadata for this column.

Returns:

This node.

Overrides:

getAttributes in class StreamableNode

getNamedItem

public Node getNamedItem(java.lang.String name)

Get an attribute by name from the metadata for this column.

Specified by:

getNamedItem in interface NamedNodeMap

Parameters:

name - Attribute name

Returns:

Attribute with given name or null if not found

Overrides:

getNamedItem in class StreamableNode

item

public Node item(int index)

Get an attribute by index from the metadata for this column.

Specified by:

item in interface NamedNodeMap

Parameters:

index - Index of attribut to get

Returns:

Attribute node at given index or null if not found

Overrides:

item in class StreamableNode

getLength

public int getLength()

Get the number of attributes of column metadata attributes.

Specified by:

getLength in interface NamedNodeMap

Returns:

the number of attributes of column

Overrides:

getLength in class StreamableNode

getNamedItemNS

public Node getNamedItemNS(java.lang.String namespaceURI,
                           java.lang.String localName)

Get an attribute by namespaced name from the metadata for this column.

Specified by:

getNamedItemNS in interface NamedNodeMap

Parameters:

namespaceURI - Namespace URI of attribute

localName - Local name of attribute

Returns:

the attribute with the given local name and a null namespace, or null.

Overrides:

getNamedItemNS in class StreamableNode

setNamedItem

public Node setNamedItem(Node arg)
                  throws DOMException

Set an attribute from the metadata for this column. Not supported

Specified by:

setNamedItem in interface NamedNodeMap

Parameters:

arg -

Returns:

null

Throws:

DOMException -

Overrides:

setNamedItem in class StreamableNode

removeNamedItem

public Node removeNamedItem(java.lang.String name)
                     throws DOMException

Remove an attribute - Not supported

Specified by:

removeNamedItem in interface NamedNodeMap

Parameters:

name -

Returns:

null

Throws:

DOMException -

Overrides:

removeNamedItem in class StreamableNode

setNamedItemNS

public Node setNamedItemNS(Node arg)
                    throws DOMException

Set namespaced attribute - Not supported

Specified by:

setNamedItemNS in interface NamedNodeMap

Parameters:

arg -

Returns:

null

Throws:

DOMException -

Overrides:

setNamedItemNS in class StreamableNode

removeNamedItemNS

public Node removeNamedItemNS(java.lang.String namespaceURI,
                              java.lang.String localName)
                       throws DOMException

Removed namespaced attribute - Not supported

Specified by:

removeNamedItemNS in interface NamedNodeMap

Parameters:

namespaceURI -

localName -

Returns:

null

Throws:

DOMException -

Overrides:

removeNamedItemNS in class StreamableNode