完善修正xml转json消息的问题。

src/main/java/com/gzzn/omms/msgexchangeapi/service/exchange/ExchangeServiceImpl.java

@@ -13,25 +13,18 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.type.TypeFactory;
 import com.fasterxml.jackson.dataformat.xml.XmlMapper;
 import com.fasterxml.jackson.module.jaxb.JaxbAnnotationIntrospector;
+import com.gzzn.omms.msgexchangeapi.entity.msg.MSG;
 import com.gzzn.omms.msgexchangeapi.exception.ExchangeServiceException;
+import com.gzzn.omms.msgexchangeapi.utils.JsonUtil;
 
 @Service("exchangeService")
 public class ExchangeServiceImpl implements IExchangeService {
 
 	@Override
 	public String xmlstrToJson(String xml) throws ExchangeServiceException {
-		try {
-			Map map;
-			ObjectMapper xmlMapper = new XmlMapper();
-			map = xmlMapper.readValue(xml, Map.class);
-			map.remove("noNamespaceSchemaLocation");
-			
-			ObjectMapper jsonMapper = new ObjectMapper();
-			String json = jsonMapper.writer().withDefaultPrettyPrinter().writeValueAsString(map);
-			return json;
-		} catch (IOException e) {
-			throw new ExchangeServiceException(e.getMessage(),e);
-		}
+		MSG msg = xmlstrToObject(xml,MSG.class); //转具体消息
+		String jsonStr = JsonUtil.getStringWithNoneKey(msg); //转json同时去除null的key
+		return jsonStr;
 	} //end function
 
 	@Override