com.sri.emo.controller
Class TreeViewFactory

java.lang.Object
  com.sri.emo.controller.TreeViewFactory

public class TreeViewFactory
extends Object

A factory for building the data structure needed for a tree view. It does so by first building a 'tree' model of the database node, and then using a visitor to transform it into something useful for the TreeView control.

Author:

Michael Rimov

Constructor Summary

TreeViewFactory(Node rootNode, ExpressoResponse response, int maxNestingLevels)
Constructs a tree view factory.

Method Summary

TreeNode

buildTree() Builds a Tree for the Tree node.

Methods inherited from class java.lang.Object

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

Constructor Detail

TreeViewFactory

public TreeViewFactory(Node rootNode,
                       ExpressoResponse response,
                       int maxNestingLevels)

Constructs a tree view factory.

Parameters:

rootNode - Node

response - ControllerResponse

maxNestingLevels - int

Method Detail

buildTree

public TreeNode buildTree()

Builds a Tree for the Tree node. It is the callers responsibility to save the Nodes to the request, session or wherever.

Returns:

TreeNode the tree node.