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test report metrics and trend analysis reporting :: reportcard-model

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package io.github.ericdriggs.reportcard.xml;

import org.w3c.dom.Document;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import java.io.IOException;
import java.io.StringReader;

public class XmlUtil {
    private XmlUtil() { //static only
    }

    public static String getXmlRootElementName(String xmlString) {
        DocumentBuilder documentBuilder;
        try {
            documentBuilder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
            Document doc = documentBuilder.parse(new InputSource(new StringReader(xmlString)));
            return doc.getDocumentElement().getTagName();
        } catch (SAXException | IOException | ParserConfigurationException e) {
            throw new RuntimeException(e);
        }
    }

}