61 lines
2.3 KiB
Java
61 lines
2.3 KiB
Java
/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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package org.apache.poi.util;
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import javax.xml.XMLConstants;
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import javax.xml.parsers.DocumentBuilder;
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import javax.xml.parsers.DocumentBuilderFactory;
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import javax.xml.parsers.ParserConfigurationException;
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import javax.xml.stream.events.Namespace;
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import org.w3c.dom.Document;
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import org.w3c.dom.Element;
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public class DocumentHelper {
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private static final DocumentBuilder newDocumentBuilder;
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static {
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try {
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newDocumentBuilder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
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} catch (ParserConfigurationException e) {
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throw new IllegalStateException("cannot create a DocumentBuilder", e);
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}
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}
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public static synchronized Document createDocument() {
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return newDocumentBuilder.newDocument();
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}
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/**
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* Adds a namespace declaration attribute to the given element.
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*/
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public static void addNamespaceDeclaration(Element element, String namespacePrefix, String namespaceURI) {
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element.setAttributeNS(XMLConstants.XMLNS_ATTRIBUTE_NS_URI,
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XMLConstants.XMLNS_ATTRIBUTE + ':' + namespacePrefix,
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namespaceURI);
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}
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/**
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* Adds a namespace declaration attribute to the given element.
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*/
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public static void addNamespaceDeclaration(Element element, Namespace namespace) {
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addNamespaceDeclaration(element, namespace.getPrefix(), namespace.getNamespaceURI());
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}
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}
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