Here you can find the source of removeInvalidAttributes(Element element, String... validAttributeNames)
public static void removeInvalidAttributes(Element element, String... validAttributeNames)
//package com.java2s; /******************************************************************************* * 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./*from w w w . j a v a 2s .c o m*/ *******************************************************************************/ import java.util.HashSet; import java.util.Set; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.NamedNodeMap; public class Main { public static void removeInvalidAttributes(Element element, String... validAttributeNames) { Set<String> validNames = new HashSet<String>(); for (String name : validAttributeNames) { validNames.add(name); } boolean elementModified = false; NamedNodeMap nnm = element.getAttributes(); for (int i = 0; i < nnm.getLength(); i++) { String attributeName = nnm.item(i).getNodeName(); if (!validNames.contains(attributeName)) { element.removeAttribute(attributeName); elementModified = true; } } if (elementModified) { flagDocumentAsCorrected(element); } } public static void flagDocumentAsCorrected(Element element) { Document doc = element.getOwnerDocument(); if (doc != null) { doc.setUserData("autoCorrected", "true", null); } } }