How to use

getUtfReader

method

in

com.android.utils.XmlUtils

  private static String getStringValue(@NonNull File file, @NonNull String xPath) {
    XPath xpath = AndroidXPathFactory.newXPath();

    try {
      InputSource source = new InputSource(XmlUtils.getUtfReader(file));
      return xpath.evaluate(xPath, source);
    } catch (XPathExpressionException e) {
      // won't happen.
    } catch (IOException e) {
      throw new RuntimeException(e);
    }

    return null;
  }
}

/**
 * Parses the given UTF file as a DOM document, using the JDK parser. The parser does not
 * validate, and is optionally namespace aware.
 *
 * @param file           the UTF encoded file to parse
 * @param namespaceAware whether the parser is namespace aware
 * @return the DOM document
 */
@NonNull
public static Document parseUtfXmlFile(@NonNull File file, boolean namespaceAware)
    throws ParserConfigurationException, IOException, SAXException {
  DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
  Reader reader = getUtfReader(file);
  try {
    InputSource is = new InputSource(reader);
    factory.setNamespaceAware(namespaceAware);
    factory.setValidating(false);
    DocumentBuilder builder = factory.newDocumentBuilder();
    return builder.parse(is);
  } finally {
    reader.close();
  }
}