Crimsonを使用したXMLファイル出力について

XMLファイル読み込み元
<?xml version="1.0" encoding="EUC-JP"?>
<ROOT>
    <SUB>SUB1</SUB>
</ROOT>

出力したXMLファイル
<?xml version="1.0" encoding="UTF-8"?><ROOT>
    <SUB>SUB1</SUB>
</ROOT>

ソースコード
public static void main(String[] args) {
    
    try {
        //#############################
        // XMLファイルパース
        //#############################
        DocumentBuilderFactory dbf = 
            (DocumentBuilderFactory)Class.forName(
            "org.apache.crimson.jaxp.DocumentBuilderFactoryImpl").
            newInstance();
        DocumentBuilder builder = dbf.newDocumentBuilder();
        
        String fileName = "C:\\TEST.xml";
        Document document = builder.parse(
            new File(fileName).toURL().toExternalForm());
        Element element = document.getDocumentElement();
        
        //#############################
        // XMLファイル出力
        //#############################
        TransformerFactory factory = TransformerFactory.newInstance();
        Transformer transformer = factory.newTransformer();
        DOMSource source = new DOMSource(element);
        File newXML = new File(fileName);
        FileOutputStream fos = new FileOutputStream(fileName+".new");
        OutputStreamWriter writer = new OutputStreamWriter(fos, "EUC-JP");
        StreamResult result = new StreamResult(writer);
        transformer.transform(source, result);

        writer.close();
        fos.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

org.apache.crimson.tree.XmlDocument xdoc;
Document doc = element.getOwnerDocument();
xdoc = (org.apache.crimson.tree.XmlDocument)doc;
BufferedWriter bw = new BufferedWriter(new FileWriter(fileName));
xdoc.write(bw, encode);