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Actions for xml processing

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package io.cloudslang.content.xml.utils;

import org.apache.xml.serialize.OutputFormat;
import org.apache.xml.serialize.XMLSerializer;
import org.w3c.dom.Document;

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

/**
 * Created by moldovas on 7/6/2016.
 */
public class DocumentUtils {
    /**
     * @return a new instance of DocumentBuilder
     * @throws ParserConfigurationException
     */
    public static DocumentBuilder createDocumentBuilder(String features) throws ParserConfigurationException {
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        XmlUtils.setFeatures(factory, features);
        factory.setNamespaceAware(false);
        return factory.newDocumentBuilder();
    }

    /**
     * Returns a String representation for the XML Document.
     *
     * @param xmlDocument the XML Document
     * @return String representation for the XML Document
     * @throws IOException
     */
    public static String documentToString(Document xmlDocument) throws IOException {
        String encoding = (xmlDocument.getXmlEncoding() == null) ? "UTF-8" : xmlDocument.getXmlEncoding();
        OutputFormat format = new OutputFormat(xmlDocument);
        format.setLineWidth(65);
        format.setIndenting(true);
        format.setIndent(2);
        format.setEncoding(encoding);
        try (Writer out = new StringWriter()) {
            XMLSerializer serializer = new XMLSerializer(out, format);
            serializer.serialize(xmlDocument);
            return out.toString();
        }
    }
}