XML與Object之間的互轉

private static final String W3C_XML_SCHEMA_NS_URI = "http://www.w3.org/2001/XMLSchema";

/**

• 將對象轉換成xml
• @param obj 要轉成xml的對象
• @param xsdPath 標準的xml文件就傳null

• @return xml格式的字符串
  */
  public static String objToXml(Object obj, String xsdPath) throws JAXBException, SAXException {
  StringWriter sw = new StringWriter();
  JAXBContext jAXBContext;
  jAXBContext = JAXBContext.newInstance(obj.getClass());
  Marshaller marshaller = jAXBContext.createMarshaller();
  marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
  marshaller.setProperty(Marshaller.JAXB_ENCODING, "GBK"); // 防止文件中文亂碼
  if (TextUtils.isNotEmpty(xsdPath)) {
  marshaller.setSchema(SchemaFactory.newInstance(W3C_XML_SCHEMA_NS_URI).newSchema(new File(xsdPath)));
  }
  marshaller.marshal(obj, sw);
  return sw.toString();
  }

  /**

• 將xml格式轉換爲對象.
• @param xml xml字符串
• @param clazz 要轉換成的對象
• @param xsdPath 標準的xml解析傳null
• @return 轉換後的對象br/>*/@SuppressWarnings("unchecked")public static <T> T xmlToObj(String xml, Class<T> clazz, String xsdPath) throws JAXBException, SAXException {JAXBContext jAXBContext = JAXBContext.newInstance(clazz);Unmarshaller um = jAXBContext.createUnmarshaller();if (TextUtils.isNotEmpty(xsdPath)) {um.setSchema(SchemaFactory.newInstance(W3C_XML_SCHEMA_NS_URI).newSchema(new File(xsdPath)));}return (T) um.unmarshal(new StreamSource(new StringReader(xml)));}