javax.faces.tree
Class TreeFactory

java.lang.Object
  javax.faces.tree.TreeFactory

public abstract class TreeFactory

extends java.lang.Object

TreeFactory is a factory object that creates and returns new Tree instances.

There must be one TreeFactory instance per web application that is utilizing JavaServer Faces. This instance can be acquired, in a portable manner, by calling:

   TreeFactory factory = (TreeFactory)
    FactoryFinder.getFactory(FactoryFinder.TREE_FACTORY);
 

Constructor Summary

TreeFactory()

Method Summary

abstract Tree

getTree(FacesContext context, java.lang.String treeId) Create (if needed) and return a Tree that is initialized with a root node, and whose renderKitId property is initialized to the identifier of the default RenderKit.

Methods inherited from class java.lang.Object

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

Constructor Detail

TreeFactory

public TreeFactory()

Method Detail

getTree

public abstract Tree getTree(FacesContext context,
                             java.lang.String treeId)
                      throws FacesException

Create (if needed) and return a Tree that is initialized with a root node, and whose renderKitId property is initialized to the identifier of the default RenderKit.

Parameters:

context - FacesContext for the current request

treeId - Tree identifier of the tree to be constructed and returned

Throws:

FacesException - if a Tree cannot be constructed for the specified parameters

java.lang.NullPointerException - if context or treeId is null