/** * 查找以name为value的祖先节点 * * @param name 查找条件 * @return 如果找到则返回treenode找不到则返回null */ public TreeNode findAncestor(String name) { TreeNode cur = this; if (cur.getName() == null || cur.getName().equals("")) return null; if (cur.getName().equals(name)) return cur; while (cur.getParent() != null) { cur = cur.getParent(); if (cur.getName().equals(name)) return cur; } return null; }
/** 输出当前节点的所有子节点 */ public void printChildrenName() { List<TreeNode> children = this.getChildren(); if (children != null) { for (TreeNode child : children) { System.out.print(child.getName() + " "); } } else { System.out.print("null"); } }
/** * 查找以name为value的子节点 * * @param name 查找条件 * @return 如果找到则返回treenode找不到则返回null */ public TreeNode findChild(String name) { List<TreeNode> children = this.getChildren(); if (children != null) { for (TreeNode child : children) { if (child.getName().equals(name)) { return child; } } } return null; }