java - 如何从 Document 或 Node 创建 InputStream

Question

如何从 XML 文档或节点对象创建 InputStream 对象以在 xstream 中使用？我需要更换？？？带有一些有意义的代码。谢谢。

Document doc = getDocument();
InputStream is = ???;
MyObject obj = (MyObject) xstream.fromXML(is);

Answer 1

ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
Source xmlSource = new DOMSource(doc);
Result outputTarget = new StreamResult(outputStream);
TransformerFactory.newInstance().newTransformer().transform(xmlSource, outputTarget);
InputStream is = new ByteArrayInputStream(outputStream.toByteArray());