ExtensionElementFactory

All Known Implementing Classes:

IXSLElementFactory, Saxon6ElementFactory, SaxonElementFactory, SaxonElementFactoryEE, SQLElementFactory
```
public interface ExtensionElementFactory
```
Interface ExtensionElementFactory.
A "Factory" for user-defined nodes in the stylesheet tree.

(Actually, it's not strictly a factory: it doesn't create the nodes, it merely identifies what class they should be.)

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.lang.Class<? extends StyleElement>`	`getExtensionClass(java.lang.String localname)`	Identify the class to be used for stylesheet elements with a given local name.

- Method Detail
  - getExtensionClass
```
java.lang.Class<? extends StyleElement> getExtensionClass(java.lang.String localname)
```
    Identify the class to be used for stylesheet elements with a given local name. The returned class must extend StyleElement, and it must have a zero-argument public constructor.
    
    Parameters:
    
    localname - the local name of the element
    
    Returns:
    
    null if the local name is not a recognised element type in this namespace.