JaxbUtil转json转XML工具类

json转换为XML工具类

 package com.cxf.value;

 import org.springframework.util.StringUtils;

 import javax.xml.bind.*;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.StringReader;

 import static javax.xml.bind.JAXBContext.newInstance;
 @Sl4j
 public class JaxbUtil {

     /**
      * 对象转xml
      * @param obj
      * @return
      */
     public static String toXmlDocument(Object obj) {

         if (obj == null) {
             return null;
         }

         try {
             ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
             JAXBContext context = newInstance(obj.getClass());
             Marshaller marshaller = context.createMarshaller();
             marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
             marshaller.setProperty(Marshaller.JAXB_ENCODING, "UTF-8");
             marshaller.marshal(obj, byteArrayOutputStream);
             String result = new String(byteArrayOutputStream.toByteArray());
             if (byteArrayOutputStream != null) {
                 byteArrayOutputStream.close();
             }
             return result;
         } catch (IOException e) {
             log.error("toXmlDocument ex.", e);
         } catch (PropertyException e) {
             log.error("toXmlDocument ex.", e);
         } catch (JAXBException e) {
             log.error("toXmlDocument ex.", e);
         }

         return null;
     }

     /**
      * xml转换成JavaBean
      * @param xml
      * @param c
      * @return
      */
     public static <T> T convertToJavaBean(String xml, Class<T> c) {

         if (StringUtils.isEmpty(xml)){
             return null;
         }
         T t = null;
         try {
             JAXBContext context = JAXBContext.newInstance(c);
             Unmarshaller unmarshaller = context.createUnmarshaller();
             t = (T) unmarshaller.unmarshal(new StringReader(xml));
         } catch (Exception e) {
             log.error("xml to JavaBean ex.", e);
         }

         return t;
     }
 }