Here you can find the source of getNodeNames(Set
public static Set<String> getNodeNames(Set<Node> nodes)
//package com.java2s; /**/* w w w .j a v a2s. c om*/ * Copyright (c) 2012 centeractive ag. All Rights Reserved. * * 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. */ import org.w3c.dom.Node; import java.util.HashSet; import java.util.Set; public class Main { public static Set<String> getNodeNames(Set<Node> nodes) { Set<String> names = new HashSet<String>(); for (Node node : nodes) { names.add(node.getLocalName()); } return names; } }