DOMImplementationLS serialize to String in UTF-8 in Java

Question

reading the documentation for java org.w3c.dom.ls it seems as a Element only can be serialized to a String with the java native string encoding, UTF-16. I need however to cr

Answer 1

You can still use DOMImplementationLS:

DOMImplementationRegistry domImplementationRegistry = DOMImplementationRegistry.
DOMImplementationLS domImplementationLS = (DOMImplementationLS)REGISTRY.getDOMImplementation("LS");
LSOutput lsOutput =  domImplementationLS.createLSOutput();
lsOutput.setEncoding("UTF-8");
Writer stringWriter = new StringWriter();
lsOutput.setCharacterStream(stringWriter);
lsSerializer.write(doc, lsOutput);     
String result = stringWriter.toString();

Answer 2

I find that the most flexible way of serializing a DOM to String is to use the javax.xml.transform API:

    Node node = ...
    StringWriter output = new StringWriter();

    Transformer transformer = TransformerFactory.newInstance().newTransformer();
    transformer.transform(new DOMSource(node), new StreamResult(output));

    String xml = output.toString();

It's not especially elegant, but it should give you better control over output encoding.