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/* NeXt:recursion tutorial * next@keyboardmonkey.com */ package com.km.struts.tutorial.recursion; import java.util.*; /** This is a class you write yourself in the < NeXt:recursion tutorial > */ public class TreeNode { /* constructor for the node */ public TreeNode(String name, int level) { this.level = level; this.nodeName = name; this.children = new ArrayList(); this.showChildren = false; } /* return the collection of children */ public ArrayList getChildCollection() { return this.children; } /* add child method */ public void addChild(TreeNode newChild) { this.children.add(newChild); } /* getter method for the "nodeName" property */ public String getNodeName() { return this.nodeName; } /* setter method for the "nodeName" property */ public void setNodeName(String newName) { this.nodeName = newName; } /* getter to return the size of our indent */ public int getNodeIndent() { return (this.level * 20); } /* getter method for the "showChildren" property */ public boolean getShowChildren() { return this.showChildren; } /* setter method for the "showChildren" property */ public void setShowChildren(boolean showChildren) { this.showChildren = showChildren; } /* return true if this node has child nodes */ public boolean getHasChildren() { return (this.children.size() > 0); } /* a "fake" nested bean property (for image submit) */ public TreeNode getToggle() { return this; } /* setter for the image submit's ".x" property */ public void setX(int i) { /* reverse the showChildren boolean */ this.showChildren = !this.showChildren; } /* empty setter for the image submit's ".y" property */ public void setY(int i) {} /* usual member variables */ private int level; private ArrayList children; private String nodeName; private boolean showChildren; }