TREENODE for Tree

package com.zx.views.tree;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

public class TreeNode
{
    private String name;

    private String key;

    private List<TreeNode> children;

    public TreeNode( String name , String key )
    {
        this.name = name;
        this.key = key;
    }

    public String getName ( )
    {
        return name;
    }

    public void setChildren ( List<TreeNode> children )
    {
        this.children = children;
    }

    public List<TreeNode> getChildren ( )
    {
        return this.children;
    }

    public String toString ( )
    {
        return getName();
    }

    public Object getAdapter ( Class key )
    {
        return null;
    }

    public String getKey ( )
    {
        return key;
    }

    public void setKey ( String key )
    {
        this.key = key;
    }

    public TreeNode findChild ( String nodeName )
    {
        if ( children == null ) return null;
        for ( Iterator<TreeNode> it = children.iterator() ; it.hasNext() ; )
        {
            if ( (it.next()).getName().equals(nodeName) ) { return it.next(); }
        }
        return null;
    }

    public boolean isLeaf ( )
    {
        return children == null || children.size() == 0;
    }

    public void addChild ( TreeNode child )
    {
        if ( children == null ) children = new ArrayList<TreeNode>();
        children.add(child);
    }

    public void removeChild ( TreeNode child )
    {
        children.remove(child);
    }

}