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Reactor - Test Automation Framework

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/*
 * Copyright (c) 2015 - present Nebula Bay.
 * All rights reserved.
 *
 * 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.
 */
package com.tascape.reactor.tools;

import java.io.IOException;
import java.io.InputStream;
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.apache.tools.ant.filters.StringInputStream;
import org.w3c.dom.Document;
import org.xml.sax.SAXException;

/**
 *
 * @author linsong wang
 */
public class XmlHelper {

    public static Document toXmlDocument(String xml) throws ParserConfigurationException, SAXException, IOException {
        DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
        try (InputStream is = new StringInputStream(xml)) {
            Document doc = dBuilder.parse(is);
            doc.getDocumentElement().normalize();
            return doc;
        }
    }

    public static String toXmlString(Document xml) throws TransformerException {
        TransformerFactory tf = TransformerFactory.newInstance();
        Transformer transformer = tf.newTransformer();
        transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
        StringWriter writer = new StringWriter();
        transformer.transform(new DOMSource(xml), new StreamResult(writer));
        return writer.getBuffer().toString();
    }
}