How to Parse XML string to String[]

<?xml version=1.0 encoding=UTF-8 standalone=yes?>
<NewDataSet>
<WHDS>
  <WHBILL>
    <TrnDate>14-Oct-2014</TrnDate>
    <FromDate>01-Oct-2014</FromDate>
    <ToDate>31-Oct-2014</ToDate>
    <Location>Gujarat</Location>
    <ClientCode>1001</ClientCode>
    <ClientName>abc</ClientName>
    <WarehouseCode>g001</WarehouseCode>
    <WarehouseName>g1</WarehouseName>
    <ServiceTaxApplicable>y</ServiceTaxApplicable>
    <RefVouchNo>1</RefVouchNo>
    <StorageCharges>2000</StorageCharges>
  </WHBILL>
</WHDS>
</NewDataSet>

 String xmlString;
Document doc=getDomElement(xmlString);

public Document getDomElement(String xml) {
        Document doc = null;
        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
        try {
            DocumentBuilder db = dbf.newDocumentBuilder();
            InputSource is = new InputSource();
            is.setCharacterStream(new StringReader(xml));
            doc = db.parse(is);

        } catch (ParserConfigurationException e) {
            Log.e("Error: ", e.getMessage());
             return null;
        } catch (SAXException e) {
            Log.e("Error: ", e.getMessage());
            return null;
        } catch (IOException e) {
            Log.e("Error: ", e.getMessage());
            return null;
        }
        return doc;
    }