Package com.saxonica.xsltextn

## Interface 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.