DocumentStaxUtils.java 文件源码

public static void writeDocument(Document doc, OutputStream outputStream, String namespaceURI) throws XMLStreamException, IOException {
  if(outputFactory == null) {
    outputFactory = XMLOutputFactory.newInstance();
  }

  XMLStreamWriter xsw = null;
  try {
    if(doc instanceof TextualDocument) {
      xsw = outputFactory.createXMLStreamWriter(outputStream,
              ((TextualDocument)doc).getEncoding());
      xsw.writeStartDocument(((TextualDocument)doc).getEncoding(), "1.0");
    }
    else {
      xsw = outputFactory.createXMLStreamWriter(outputStream);
      xsw.writeStartDocument("1.0");
    }
    newLine(xsw);

    writeDocument(doc, xsw, namespaceURI);
  }
  finally {
    if(xsw != null) {
      xsw.close();
    }
  }
}