| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.sling.resourceresolver.impl.providers.tree; |
| |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| public class Node<T> { |
| |
| private T value; |
| |
| private Map<String, Node<T>> children; |
| |
| public boolean hasChild(String name) { |
| return children != null && children.containsKey(name); |
| } |
| |
| public Node<T> getChild(String name) { |
| if (children != null) { |
| return children.get(name); |
| } else { |
| return null; |
| } |
| } |
| |
| Node<T> addChild(String name) { |
| if (children == null) { |
| children = new HashMap<String, Node<T>>(); |
| } |
| Node<T> newNode = new Node<T>(); |
| children.put(name, newNode); |
| return newNode; |
| } |
| |
| void setValue(T value) { |
| this.value = value; |
| } |
| |
| public T getValue() { |
| return value; |
| } |
| |
| public Map<String, Node<T>> getChildren() { |
| if (children == null) { |
| return Collections.emptyMap(); |
| } else { |
| return children; |
| } |
| } |
| |
| @Override |
| public String toString() { |
| return "[" + getClass().getSimpleName() + "# value: " + value +" ]"; |
| } |
| } |