spring jaxb Object XML转换

工具类如下：

import org.springframework.oxm.jaxb.Jaxb2Marshaller;import javax.xml.transform.stream.StreamResult;import javax.xml.transform.stream.StreamSource;import java.io.ByteArrayInputStream;import java.io.ByteArrayOutputStream;import java.util.HashMap;import java.util.Map;/** * 使用spring Jaxb2Marshaller类 */public class SpringJAXBUtil {    private static final String ENCODING = "UTF-8";//    private static final Log logger = LogFactory.getLog(SpringJAXBUtil.class);    public static <T> String ObjectToXml(Object object, Class<T> clazz) {        String xml = "";        try {            Jaxb2Marshaller jaxb2Marshaller = new Jaxb2Marshaller();            jaxb2Marshaller.setClassesToBeBound(clazz);            Map<String, Object> map = new HashMap<>();            map.put("jaxb.formatted.output", true); //格式化输出格式            map.put("jaxb.encoding", "UTF-8"); //设置xml编码            jaxb2Marshaller.setMarshallerProperties(map);            ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();            StreamResult streamResult = new StreamResult(byteArrayOutputStream);            jaxb2Marshaller.marshal(object, streamResult);            byte[] buf = byteArrayOutputStream.toByteArray();            xml = new String(buf, 0, buf.length, ENCODING);        } catch (Exception e) {//            logger.error("error when marshalling object to xml string");            e.printStackTrace();        }        return xml;    }    public static <T> Object XmlToObject(String xml, Class<T> clazz) {        Object object = null;        if (xml != null && !"".equals(xml)) {            try {                Jaxb2Marshaller jaxb2Marshaller = new Jaxb2Marshaller();                jaxb2Marshaller.setClassesToBeBound(clazz);                ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(xml.getBytes(ENCODING));                StreamSource streamSource = new StreamSource(byteArrayInputStream);                object = jaxb2Marshaller.unmarshal(streamSource);            } catch (Exception e) {//                logger.error("error when unmarshalling xml to object string");                e.printStackTrace();            }        }        return object;    }}