xml与json转换工具java版

import net.sf.json.JSON;
import net.sf.json.JSONSerializer;
import net.sf.json.xml.XMLSerializer;
public class JsonXmlUtil {

public static String xmltoJson(String xml) {
XMLSerializer xmlSerializer = new XMLSerializer();
return xmlSerializer.read(xml).toString();
}

public static String jsontoXml(String json) {
try {
XMLSerializer serializer = new XMLSerializer();
JSON jsonObject = JSONSerializer.toJSON(json);
return serializer.write(jsonObject);
} catch (Exception e) {
e.printStackTrace();
}
return null;
}

}