DOMImplementationLS serialize to String in UTF-8 in Java

dom, java, xml, xml-serialization

Solution

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.

Problem

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 create a UTF-8 string, escaped or what not, I understand that it still will be a UTF-16 String. Anyone has an idea to get around this? I need the string to pass in to a generated WS client that will consume the String, then it should be UTF-8. the code i use to create the string: ``` DOMImplementationRegistry domImplementationRegistry = DOMImplementationRegistry. DOMImplementationLS domImplementationLS = (DOMImplementationLS) REGISTRY.getDOMImplementation("LS"); LSSerializer writer = domImplementationLS.createLSSerializer(); String result = writer.writeToString(element); ```

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