修改ExchangeService 抽象定义msg ， xml ，json 间的转换

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

@@ -10,10 +10,13 @@ import javax.xml.stream.XMLStreamWriter;
 import org.springframework.stereotype.Service;
 
 import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.core.JsonEncoding;
+import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.core.JsonParseException;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.JsonMappingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.type.TypeFactory;
 import com.fasterxml.jackson.dataformat.xml.XmlMapper;
 import com.fasterxml.jackson.dataformat.xml.ser.ToXmlGenerator;
@@ -24,7 +27,8 @@ import com.gzzn.omms.msgexchangeapi.utils.JsonUtil;
 
 @Service("exchangeService")
 public class ExchangeServiceImpl implements IExchangeService {
-
+    
+	/*
 	@Override
 	public String xmlstrToJson(String xml) throws ExchangeServiceException {
 		MSG msg = xmlstrToObject(xml,MSG.class); //转具体消息
@@ -91,4 +95,92 @@ public class ExchangeServiceImpl implements IExchangeService {
 			throw new ExchangeServiceException(e.getMessage(),e);
 		}
 	}// end function
+    */
+     
+	@Override
+	public MSG xmlToMsg(String xmlStr) throws ExchangeServiceException {
+		try {
+			XmlMapper xmlMapper = new XmlMapper();
+			xmlMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+			xmlMapper.setAnnotationIntrospector(new JaxbAnnotationIntrospector(TypeFactory.defaultInstance()));
+			return xmlMapper.readValue(xmlStr, MSG.class);
+		} catch (Exception e) {
+			throw new ExchangeServiceException(e.getMessage(),e);
+		}
+	}
+
+	@Override
+	public String msgToJson(MSG msg) throws ExchangeServiceException {
+		ObjectMapper objectMapper = new ObjectMapper();
+		objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
+		JsonGenerator jsonGenerator = null;
+		StringWriter out = new StringWriter();
+		
+		try {
+			jsonGenerator = objectMapper.getJsonFactory().createJsonGenerator(out);
+			jsonGenerator.writeStartObject();
+			jsonGenerator.writeObjectField("META", msg.getMETA());
+			
+			//
+			String method = "get" + msg.getMETA().getTYPE().name();
+			jsonGenerator.writeObjectField(
+					                   msg.getMETA().getTYPE().name(),
+					                   msg
+					                   .getClass()
+					                   .getDeclaredMethod(method)
+					                   .invoke(msg)
+					                   );
+			
+			jsonGenerator.writeEndObject();
+			jsonGenerator.flush();
+			
+			return out.toString();
+		} catch (Exception e) {
+			throw new ExchangeServiceException(e.getMessage(),e);
+		}
+	}
+
+	@Override
+	public String msgToXml(MSG msg) throws ExchangeServiceException {
+		try {
+			XMLInputFactory xmlInputFactory = XMLInputFactory.newFactory();
+			XMLOutputFactory xmlOutputFactory = XMLOutputFactory.newFactory();
+			
+			StringWriter out = new StringWriter();
+			XMLStreamWriter sw = xmlOutputFactory.createXMLStreamWriter(out);
+
+			// then Jackson components
+			XmlMapper mapper = new XmlMapper(xmlInputFactory);
+			mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
+			
+			
+			sw.writeStartDocument();
+			sw.writeStartElement("MSG");
+			sw.writeNamespace("xsi", "http://www.w3.org/2001/XMLSchema-instance");
+			sw.writeAttribute("xsi", "http://www.w3.org/2001/XMLSchema-instance", "noNamespaceSchemaLocation", "unisysaodbsis.xsd");
+			
+			// Write whatever content POJOs...
+			mapper.writeValue(sw, msg.getMETA());
+			//
+			String method = "get" + msg.getMETA().getTYPE().name();
+			mapper.writeValue(sw, 
+					    msg
+	                   .getClass()
+	                   .getDeclaredMethod(method)
+	                   .invoke(msg));
+			
+			sw.writeEndDocument();
+			
+			return out.toString();
+		} catch (Exception e) {
+			throw new ExchangeServiceException(e.getMessage(),e);
+		}
+	}
+
+	@Override
+	public String xmlMsgToJsonMsg(String xml) throws ExchangeServiceException {
+		MSG msg = xmlToMsg(xml);
+		String json = msgToJson(msg);
+		return json;
+	}
 }

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

@@ -9,8 +9,38 @@ import com.gzzn.omms.msgexchangeapi.exception.ExchangeServiceException;
  *
  */
 public interface IExchangeService {
+	/*
 	public String xmlstrToJson(String xml) throws ExchangeServiceException;
     public <T>  T xmlstrToObject(String xml,Class<T> valueType) throws ExchangeServiceException;
     public String objectToXmlstr(Object object) throws ExchangeServiceException;
     public String getCoutmsgsClobMsg(MSG msg) throws ExchangeServiceException;
+    */
+    
+    /**
+     * xml字符串转msg类
+     * @param xmlStr
+     * @return
+     */
+    public MSG xmlToMsg(String xmlStr) throws ExchangeServiceException;
+    
+    /**
+     * msg类转json字符串
+     * @param msg
+     * @return
+     */
+    public String msgToJson(MSG msg) throws ExchangeServiceException;
+    
+    /**
+     * msg类转xml字符串
+     * @param msg
+     * @return
+     */
+    public String msgToXml(MSG msg) throws ExchangeServiceException;
+    
+    /**
+     * xml 消息字符串转json消息字符串
+     * @param xml
+     * @return
+     */
+    public String xmlMsgToJsonMsg(String xml) throws ExchangeServiceException;
 }