/** *  TreeNode.java */package com.coolservlets.beans.tree;import java.util.Vector;public class TreeNode extends TreeObject implements TreeInterface {    private String name;    private String link;    private boolean visible;    private Tree children;    private int id;    public TreeNode( int id, String name ) {        super(Tree.NODE);        this.id = id;        this.name = name;        visible = false;        children = new Tree();    }    public TreeNode( int id, String name, String link ) {        super(Tree.NODE);        this.id = id;        this.name = name;        this.link = link;        visible = false;        children = new Tree();    }    public void addChild(TreeObject child) {        children.addChild(child);    }    public int getId() {        return id;    }    public String getName() {        return name;    }    public String getLink() {        return link;    }    public Tree getChildren() {        return children;    }    public boolean isVisible() {        return visible;    }    public void setId( int id ) {        this.id = id;    }    public void setName(String name) {        this.name = name;    }    public void setLink( String link ) {        this.link = link;    }    public void setVisible(boolean value) {        visible = value;    }    public void toggleVisible() {        visible = !visible;    }}