如何在Java中清除XML标头？

Question

I want clean the header of a XML in JAVA like:

<?xml version="1.0" encoding="utf-8"?>
<Document xmlns="xxxx" xmlns:xsi="yyyy" xsi:schemaLocation="zzzz">
...

to

<?xml version="1.0" encoding="utf-8"?>
<Document>
...

I have a documentBuilder with the xml

DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder = factory.newDocumentBuilder();
org.w3c.dom.Document document = builder.parse(new InputSource(new  StringReader(strXmlContent)));

and now I dont know how I can do ti, any help??

Answer 1

Try this:

NodeList nodes = document.getChildNodes();
for (int i = 0; i < nodes.getLength(); i++) {
    String id = nodes.item(i).getNodeValue();
    Element el = ((Attr) nodes.item(i)).getOwnerElement();
    el.removeAttribute(id);
}

To print it back:

    Transformer transformer = TransformerFactory.newInstance().newTransformer();
    transformer.setOutputProperty( OutputKeys.INDENT, "yes" );
    StreamResult result = new StreamResult( new StringWriter() );
    DOMSource source = new DOMSource( document );
    transformer.transform( source, result );

    String xmlString = result.getWriter().toString();
    System.out.println( xmlString );