Java XML Document Create toDomDocument(Node domNode)

Description

to Dom Document

License

Apache License

Declaration

public static Document toDomDocument(Node domNode)
            throws ParserConfigurationException, SAXException, IOException, TransformerException 

Method Source Code

//package com.java2s;
/*/*  w  ww  . jav a2s . c om*/
 * Copyright (C) 2017 CenturyLink, Inc.
 *
 * Licensed 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.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;

import java.io.InputStreamReader;
import java.io.StringWriter;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.OutputKeys;

import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;

import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

import org.w3c.dom.DOMConfiguration;
import org.w3c.dom.DOMImplementation;
import org.w3c.dom.Document;
import org.w3c.dom.Node;

import org.w3c.dom.ls.DOMImplementationLS;
import org.w3c.dom.ls.LSOutput;
import org.w3c.dom.ls.LSSerializer;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;

public class Main {
    public static Document toDomDocument(String xml)
            throws ParserConfigurationException, SAXException, IOException {
        DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
        docBuilderFactory.setNamespaceAware(true);
        DocumentBuilder docBuilder = docBuilderFactory.newDocumentBuilder();
        // wrap with InputSource to help with utf-16
        Document domDoc = docBuilder
                .parse(new InputSource(new InputStreamReader(new ByteArrayInputStream(xml.getBytes()))));
        domDoc.getDocumentElement().normalize();
        return domDoc;
    }

    public static Document toDomDocument(Node domNode)
            throws ParserConfigurationException, SAXException, IOException, TransformerException {
        // TODO other way than to reparse?
        return toDomDocument(toXml(domNode));
    }

    public static String toXml(Document domDoc) throws TransformerException {
        DOMImplementation domImplementation = domDoc.getImplementation();
        if (domImplementation.hasFeature("LS", "3.0") && domImplementation.hasFeature("Core", "2.0")) {
            DOMImplementationLS domImplementationLS = (DOMImplementationLS) domImplementation.getFeature("LS",
                    "3.0");
            LSSerializer lsSerializer = domImplementationLS.createLSSerializer();
            DOMConfiguration domConfiguration = lsSerializer.getDomConfig();
            if (domConfiguration.canSetParameter("xml-declaration", Boolean.TRUE))
                lsSerializer.getDomConfig().setParameter("xml-declaration", Boolean.FALSE);
            if (domConfiguration.canSetParameter("format-pretty-print", Boolean.TRUE)) {
                lsSerializer.getDomConfig().setParameter("format-pretty-print", Boolean.TRUE);
                LSOutput lsOutput = domImplementationLS.createLSOutput();
                lsOutput.setEncoding("UTF-8");
                StringWriter stringWriter = new StringWriter();
                lsOutput.setCharacterStream(stringWriter);
                lsSerializer.write(domDoc, lsOutput);
                return stringWriter.toString();
            }
        }
        return toXml((Node) domDoc);
    }

    public static String toXml(Node domNode) throws TransformerException {
        TransformerFactory tFactory = TransformerFactory.newInstance();
        Transformer transformer = tFactory.newTransformer();
        transformer.setOutputProperty(OutputKeys.INDENT, "yes");
        transformer.setOutputProperty(OutputKeys.METHOD, "xml");
        transformer.setOutputProperty(OutputKeys.STANDALONE, "yes");
        transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
        transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
        DOMSource source = new DOMSource(domNode);
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        StreamResult result = new StreamResult(baos);
        transformer.transform(source, result);
        return baos.toString();
    }
}

Related

1. stringToDocument(String xmlString)
2. toDocument(File f)
3. toDocument(Reader reader)
4. toDocument(ResultSet rs)
5. toDocument(SOAPMessage soapMsg)