Here you can find the source of newDocument()
Parameter | Description |
---|---|
ParserConfigurationException | an exception |
public static Document newDocument() throws ParserConfigurationException
//package com.java2s; /*/*from ww w . j a v a 2 s . c o m*/ * 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 java.util.Queue; import java.util.concurrent.ConcurrentLinkedQueue; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.ParserConfigurationException; import org.w3c.dom.Document; public class Main { private static DocumentBuilderFactory dbf; private static Queue builders = new ConcurrentLinkedQueue(); /** * Return a new document, ready to populate. * @return * @throws ParserConfigurationException */ public static Document newDocument() throws ParserConfigurationException { DocumentBuilder builder = getBuilder(); Document doc = builder.newDocument(); releaseBuilder(builder); return doc; } public static DocumentBuilder getBuilder() throws ParserConfigurationException { DocumentBuilder builder = (DocumentBuilder) builders.poll(); if (builder == null) { if (dbf == null) { dbf = DocumentBuilderFactory.newInstance(); dbf.setNamespaceAware(true); } builder = dbf.newDocumentBuilder(); } return builder; } public static void releaseBuilder(DocumentBuilder builder) { if (builder != null) { builders.add(builder); } } }