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## org.apache.xalan.xslt
Class ElemTemplateElement

    java.lang.Object
      |
      +--org.apache.xalan.xslt.UnImplNode
            |
            +--org.apache.xalan.xslt.ElemTemplateElement

Direct Known Subclasses:
  ElemApplyImport, ElemAttribute, ElemCallTemplate, ElemChoose, ElemComment, ElemCopyOf, ElemDecimalFormat, ElemFallback, ElemForEach, ElemIf, ElemMessage, ElemNumber, ElemOtherwise, ElemPI, ElemSort, ElemTemplate, ElemText, ElemTextLiteral, ElemUse, ElemValueOf, ElemVariable, ElemWhen, ElemWithParam

public class ElemTemplateElement
extends UnImplNode
implements PrefixResolver, java.io.Serializable, NodeCallback

**For advanced use only** An instance of this class represents an element inside an xsl:template class. It has a single "execute" method which is expected to perform the given action on the result tree. This class acts like a Element node, and implements the Element interface, but is not a full implementation of that interface... it only implements enough for basic traversal of the tree.

See Also:
  `Stylesheet`, Serialized Form

Field Summary
`int` | `m_columnNumber` **For advanced use only** The columnOffset where the element occurs in the xsl file.
`boolean` | `m_defaultSpace` **For advanced use only** Tell if this element has the default space handling turned off or on according to the xml:space attribute.
`java.lang.String` | `m_elemName` **For advanced use only** The name of the element.
`boolean` | `m_finishedConstruction` **For advanced use only** Tell if we've finished construction.
`int` | `m_lineNumber` **For advanced use only** The line number where the element occurs in the xsl file.
`ElemTemplateElement` | `m_parentNode` **For advanced use only** Parent node.
`Stylesheet` | `m_stylesheet` **For advanced use only** The owning stylesheet.

Constructor Summary
`ElemTemplateElement(XSLTEngineImpl processor, Stylesheet stylesheetTree, java.lang.String name, org.xml.sax.AttributeList atts, int lineNumber, int columnNumber)` **For advanced use only** Construct a template element instance.

Method Summary
`org.w3c.dom.Node` | `appendChild(org.w3c.dom.Node newChild)` **For advanced use only** Add a child to the child list.
`java.lang.String` | `childrenToString(XSLTEngineImpl processor, org.w3c.dom.Node sourceTree, org.w3c.dom.Node sourceNode, QName mode)` **For advanced use only** Take the contents of a template element, process it, and convert it to a string.
`void` | `error(int msg, java.lang.Object[] args)` **For advanced use only** Throw a template element runtime error.
`void` | `execute(XSLTEngineImpl processor, org.w3c.dom.Node sourceTree, org.w3c.dom.Node sourceNode, QName mode)` **For advanced use only** Execute the element's primary function.
`void` | `executeChildren(XSLTEngineImpl processor, org.w3c.dom.Node sourceTree, org.w3c.dom.Node sourceNode, QName mode)` **For advanced use only** Process the children of a template.
`java.lang.String` | `getBaseIdentifier()` **For advanced use only** Return the base identifier.
`org.w3c.dom.NodeList` | `getChildNodes()` **For advanced use only** Return the nodelist (same reference).
`org.w3c.dom.Node` | `getFirstChild()` **For advanced use only** Get the first child
`org.w3c.dom.Node` | `getLastChild()` **For advanced use only** Get the last child.
`int` | `getLength()` **For advanced use only** NodeList method: Count the immediate children of this node
`java.lang.String` | `getNamespaceForPrefix(java.lang.String prefix)` **For advanced use only** Given a namespace, get the corrisponding prefix.
`java.lang.String` | `getNamespaceForPrefix(java.lang.String prefix, org.w3c.dom.Node context)` **For advanced use only** Given a namespace, get the corrisponding prefix.
`org.w3c.dom.Node` | `getNextSibling()` **For advanced use only** Get the next sibling or return null.
`java.lang.String` | `getNodeName()` **For advanced use only** Return the node name.
`short` | `getNodeType()` **For advanced use only** Get the type of the node.
`org.w3c.dom.Document` | `getOwnerDocument()` **For advanced use only** Get the stylesheet owner.
`org.w3c.dom.Node` | `getParentNode()` **For advanced use only** Get the parent.
`java.lang.String` | `getTagName()` **For advanced use only** Return the element name.
`int` | `getXSLToken()` **For advanced use only** Get an integer representation of the element type.
`boolean` | `hasChildNodes()` **For advanced use only** Tell if there are child nodes.
`static boolean` | `isSpace(char ch)` **For advanced use only** Returns whether the specified ch conforms to the XML 1.0 definition of whitespace.
`boolean` | `isWhiteSpace(java.lang.String string)` **For advanced use only** Tell if the string is whitespace.
`org.w3c.dom.Node` | `item(int index)` **For advanced use only** NodeList method: Return the Nth immediate child of this node, or null if the index is out of bounds.
`void` | `processLocatedNode(XPathSupport execContext, org.w3c.dom.Node sourceNode, java.lang.Object callbackInfo)` **For advanced use only** Implementation of NodeCallback interface.

Methods inherited from class org.apache.xalan.xslt.UnImplNode
`cloneNode, getAttribute, getAttributeNode, getAttributeNodeNS, getAttributeNS, getAttributes, getElementsByTagName, getElementsByTagNameNS, getLocalName, getNamespaceURI, getNodeValue, getPrefix, getPreviousSibling, hasAttribute, hasAttributeNS, hasAttributes, insertBefore, normalize, removeAttribute, removeAttributeNode, removeAttributeNS, removeChild, replaceChild, setAttribute, setAttributeNode, setAttributeNodeNS, setAttributeNS, setNodeValue, setPrefix, supports`

Methods inherited from class java.lang.Object
`equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### m_stylesheet

    public Stylesheet m_stylesheet

  **For advanced use only** The owning stylesheet. (Should this only be put on the template element, to conserve space?)

### m_lineNumber

    public int m_lineNumber

  **For advanced use only** The line number where the element occurs in the xsl file.

### m_columnNumber

    public int m_columnNumber

  **For advanced use only** The columnOffset where the element occurs in the xsl file.

### m_defaultSpace

    public boolean m_defaultSpace

  **For advanced use only** Tell if this element has the default space handling turned off or on according to the xml:space attribute.

### m_finishedConstruction

    public boolean m_finishedConstruction

  **For advanced use only** Tell if we've finished construction. This is set to false until the endElement is encountered. It's mainly used to tell us when we need to use the element tree to resolve namespace prefixes, instead of the dynamic namespace stack that is used from the stylesheet.

### m_elemName

    public java.lang.String m_elemName

  **For advanced use only** The name of the element.

### m_parentNode

    public ElemTemplateElement m_parentNode

  **For advanced use only** Parent node.

Constructor Detail

### ElemTemplateElement

    public ElemTemplateElement(XSLTEngineImpl processor,
                               Stylesheet stylesheetTree,
                               java.lang.String name,
                               org.xml.sax.AttributeList atts,
                               int lineNumber,
                               int columnNumber)
                        throws org.xml.sax.SAXException

  **For advanced use only** Construct a template element instance.
  Parameters:
    `processor` - The XSLT Processor.
    `stylesheetTree` - The owning stylesheet.
    `name` - The name of the element.
    `atts` - The element attributes.
    `lineNumber` - The line in the XSLT file that the element occurs on.
    `columnNumber` - The column index in the XSLT file that the element occurs on.
  Throws:
    org.xml.sax.SAXException - Never.

Method Detail

### getNamespaceForPrefix

    public java.lang.String getNamespaceForPrefix(java.lang.String prefix,
                                                  org.w3c.dom.Node context)

  **For advanced use only** Given a namespace, get the corrisponding prefix.
  Specified by:
    getNamespaceForPrefix in interface PrefixResolver

### getNamespaceForPrefix

    public java.lang.String getNamespaceForPrefix(java.lang.String prefix)

  **For advanced use only** Given a namespace, get the corrisponding prefix.
  Specified by:
    getNamespaceForPrefix in interface PrefixResolver

### execute

    public void execute(XSLTEngineImpl processor,
                        org.w3c.dom.Node sourceTree,
                        org.w3c.dom.Node sourceNode,
                        QName mode)
                 throws XSLProcessorException,
                        java.net.MalformedURLException,
                        java.io.FileNotFoundException,
                        java.io.IOException,
                        org.xml.sax.SAXException

  **For advanced use only** Execute the element's primary function. Subclasses of this function may recursivly execute down the element tree.
  Parameters:
    `processor` - The XSLT Processor.
    `sourceTree` - The input source tree.
    `sourceNode` - The current context node.
    `mode` - The current mode.
  Throws:
    XSLProcessorException -
    java.net.MalformedURLException -
    java.io.FileNotFoundException -
    java.io.IOException -
    org.xml.sax.SAXException -

### executeChildren

    public void executeChildren(XSLTEngineImpl processor,
                                org.w3c.dom.Node sourceTree,
                                org.w3c.dom.Node sourceNode,
                                QName mode)
                         throws XSLProcessorException,
                                java.net.MalformedURLException,
                                java.io.FileNotFoundException,
                                java.io.IOException,
                                org.xml.sax.SAXException

  **For advanced use only** Process the children of a template.
  Parameters:
    `processor` - The XSLT processor instance.
    `sourceTree` - The input source tree.
    `sourceNode` - The current context node.
    `mode` - The current mode.
  Throws:
    XSLProcessorException - Thrown from one of the child execute methods.
    java.net.MalformedURLException - Might be thrown from the document() function, or from xsl:include or xsl:import.
    java.io.FileNotFoundException - Might be thrown from the document() function, or from xsl:include or xsl:import.
    java.io.IOException - Might be thrown from the document() function, or from xsl:include or xsl:import.
    org.xml.sax.SAXException - Might be thrown from the document() function, or from xsl:include or xsl:import.

### childrenToString

    public java.lang.String childrenToString(XSLTEngineImpl processor,
                                             org.w3c.dom.Node sourceTree,
                                             org.w3c.dom.Node sourceNode,
                                             QName mode)
                                      throws XSLProcessorException,
                                             java.net.MalformedURLException,
                                             java.io.FileNotFoundException,
                                             java.io.IOException,
                                             org.xml.sax.SAXException

  **For advanced use only** Take the contents of a template element, process it, and convert it to a string.
  Parameters:
    `processor` - The XSLT processor instance.
    `sourceTree` - The primary source tree.
    `sourceNode` - The current source node context.
    `mode` - The current mode.
  Returns:
    The stringized result of executing the elements children.
  Throws:
    XSLProcessorException - Thrown from one of the child execute methods.
    java.net.MalformedURLException - Might be thrown from the document() function, or from xsl:include or xsl:import.
    java.io.FileNotFoundException - Might be thrown from the document() function, or from xsl:include or xsl:import.
    java.io.IOException - Might be thrown from the document() function, or from xsl:include or xsl:import.
    org.xml.sax.SAXException - Might be thrown from the document() function, or from xsl:include or xsl:import.

### getXSLToken

    public int getXSLToken()

  **For advanced use only** Get an integer representation of the element type.
  Returns:
    An integer representation of the element, defined in the Constants class.
  See Also:
    `Constants.java`

### isSpace

    public static boolean isSpace(char ch)

  **For advanced use only** Returns whether the specified ch conforms to the XML 1.0 definition of whitespace. Refer to the definition of `S` for details.
  Parameters:
    `ch` - Character to check as XML whitespace.
  Returns:
    =true if ch is XML whitespace; otherwise =false.
  See Also:

### isWhiteSpace

    public boolean isWhiteSpace(java.lang.String string)

  **For advanced use only** Tell if the string is whitespace.
  Parameters:
    `string` - The string in question.
  Returns:
    True if the string is pure whitespace.

### processLocatedNode

    public void processLocatedNode(XPathSupport execContext,
                                   org.w3c.dom.Node sourceNode,
                                   java.lang.Object callbackInfo)
                            throws org.xml.sax.SAXException

  **For advanced use only** Implementation of NodeCallback interface. Process the node as soon as it is located by the XLocator.
  Specified by:
    processLocatedNode in interface NodeCallback
  Parameters:
    `execContext` - Execution context.
    `sourceNode` - The source node that was located.
    `callbackInfo` - Opaque info for the caller's benefit.

### error

    public void error(int msg,
                      java.lang.Object[] args)

  **For advanced use only** Throw a template element runtime error. (Note: should we throw a SAXException instead?)
  Parameters:
    `msg` - Description of the error that occured.

### appendChild

    public org.w3c.dom.Node appendChild(org.w3c.dom.Node newChild)
                                 throws org.w3c.dom.DOMException

  **For advanced use only** Add a child to the child list.
  Parameters:
    `newChild` -
  Throws:
    org.w3c.dom.DOMException -
  Overrides:
    appendChild in class UnImplNode

### hasChildNodes

    public boolean hasChildNodes()

  **For advanced use only** Tell if there are child nodes.
  Overrides:
    hasChildNodes in class UnImplNode

### getNodeType

    public short getNodeType()

  **For advanced use only** Get the type of the node.
  Overrides:
    getNodeType in class UnImplNode

### getParentNode

    public org.w3c.dom.Node getParentNode()

  **For advanced use only** Get the parent.
  Overrides:
    getParentNode in class UnImplNode

### getChildNodes

    public org.w3c.dom.NodeList getChildNodes()

  **For advanced use only** Return the nodelist (same reference).
  Overrides:
    getChildNodes in class UnImplNode

### getFirstChild

    public org.w3c.dom.Node getFirstChild()

  **For advanced use only** Get the first child
  Overrides:
    getFirstChild in class UnImplNode

### getLastChild

    public org.w3c.dom.Node getLastChild()

  **For advanced use only** Get the last child.
  Overrides:
    getLastChild in class UnImplNode

### getNextSibling

    public org.w3c.dom.Node getNextSibling()

  **For advanced use only** Get the next sibling or return null.
  Overrides:
    getNextSibling in class UnImplNode

### getLength

    public int getLength()

  **For advanced use only** NodeList method: Count the immediate children of this node
  Returns:
    int
  Overrides:
    getLength in class UnImplNode

### item

    public org.w3c.dom.Node item(int index)

  **For advanced use only** NodeList method: Return the Nth immediate child of this node, or null if the index is out of bounds.
  Parameters:
    `index` -
  Returns:
    org.w3c.dom.Node
  Overrides:
    item in class UnImplNode

### getOwnerDocument

    public org.w3c.dom.Document getOwnerDocument()

  **For advanced use only** Get the stylesheet owner.
  Overrides:
    getOwnerDocument in class UnImplNode

### getTagName

    public java.lang.String getTagName()

  **For advanced use only** Return the element name.
  Overrides:
    getTagName in class UnImplNode

### getNodeName

    public java.lang.String getNodeName()

  **For advanced use only** Return the node name.
  Overrides:
    getNodeName in class UnImplNode

### getBaseIdentifier

    public java.lang.String getBaseIdentifier()

  **For advanced use only** Return the base identifier.
  Specified by:
    getBaseIdentifier in interface PrefixResolver

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