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修复Tree.cloneTree的Parent节点引用错误问题

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Looly 2024-08-30 15:11:48 +08:00
parent 275092af2f
commit 5e23f3ba4d
1 changed files with 6 additions and 3 deletions
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9
hutool-core/src/main/java/org/dromara/hutool/core/tree/MapTree.java
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@ -368,22 +368,25 @@ public class MapTree<T> extends LinkedHashMap<String, Object> implements Node<T>
*/ */
public MapTree<T> cloneTree() { public MapTree<T> cloneTree() {
final MapTree<T> result = ObjUtil.clone(this); final MapTree<T> result = ObjUtil.clone(this);
result.setChildren(cloneChildren()); result.setChildren(cloneChildren(result));
return result; return result;
} }
/** /**
* 递归复制子节点 * 递归复制子节点
* *
* @param parent 新的父节点
* @return 新的子节点列表 * @return 新的子节点列表
*/ */
private List<MapTree<T>> cloneChildren() { private List<MapTree<T>> cloneChildren(final MapTree<T> parent) {
final List<MapTree<T>> children = getChildren(); final List<MapTree<T>> children = getChildren();
if (null == children) { if (null == children) {
return null; return null;
} }
final List<MapTree<T>> newChildren = new ArrayList<>(children.size()); final List<MapTree<T>> newChildren = new ArrayList<>(children.size());
children.forEach((t) -> newChildren.add(t.cloneTree())); children.forEach((t) -> {
newChildren.add(t.cloneTree().setParent(parent));
});
return newChildren; return newChildren;
} }