Initial code import

[msb/apigateway.git] / apiroute / apiroute-service / src / main / java / org / openo / msb / wrapper / util / JacksonJsonUtil.java

diff --git a/apiroute/apiroute-service/src/main/java/org/openo/msb/wrapper/util/JacksonJsonUtil.java b/apiroute/apiroute-service/src/main/java/org/openo/msb/wrapper/util/JacksonJsonUtil.java
new file mode 100644 (file)
index 0000000..531b0d4
--- /dev/null
+++ b/apiroute/apiroute-service/src/main/java/org/openo/msb/wrapper/util/JacksonJsonUtil.java
@@ -0,0 +1,120 @@
+/**\r
+* Copyright (C) 2016 ZTE, Inc. and others. All rights reserved. (ZTE)\r
+*\r
+* Licensed under the Apache License, Version 2.0 (the "License");\r
+* you may not use this file except in compliance with the License.\r
+* You may obtain a copy of the License at\r
+*\r
+* http://www.apache.org/licenses/LICENSE-2.0\r
+*\r
+* Unless required by applicable law or agreed to in writing, software\r
+* distributed under the License is distributed on an "AS IS" BASIS,\r
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
+* See the License for the specific language governing permissions and\r
+* limitations under the License.\r
+*/\r
+\r
+package org.openo.msb.wrapper.util;\r
+\r
+import java.util.List;\r
+\r
+import org.openo.msb.api.ApiRouteInfo;\r
+import org.openo.msb.api.RouteServer;\r
+import org.slf4j.Logger;\r
+import org.slf4j.LoggerFactory;\r
+\r
+import com.fasterxml.jackson.core.type.TypeReference;\r
+import com.fasterxml.jackson.databind.ObjectMapper;\r
+import com.fasterxml.jackson.databind.SerializationFeature;\r
+\r
+\r
+public class JacksonJsonUtil {\r
+       \r
+        private static final Logger logger = LoggerFactory.getLogger(JacksonJsonUtil.class);\r
+        \r
+       private static ObjectMapper mapper;\r
+       \r
+       \r
+       public static synchronized ObjectMapper getMapperInstance() {   \r
+       if (mapper == null) {   \r
+            mapper = new ObjectMapper();   \r
+        }   \r
+        return mapper;   \r
+    } \r
+       \r
+       /**\r
+        * from java object to json \r
+        * @param obj \r
+        * @return json\r
+        * @throws Exception \r
+        */\r
+       public static String beanToJson(Object obj) throws Exception {\r
+               String json=null;\r
+               try {\r
+                       ObjectMapper objectMapper = getMapperInstance();\r
+                        objectMapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false);  \r
+                       json =objectMapper.writeValueAsString(obj);\r
+               } catch (Exception e) {\r
+                   logger.error("Class beanToJson faild");\r
+                        throw new Exception("Class beanToJson faild");\r
+               }               \r
+               return json;\r
+       }\r
+       \r
+       \r
+       \r
+       /**\r
+        * from json to java object\r
+        * @param json \r
+        * @param cls  \r
+        * @return \r
+        * @throws Exception \r
+        */\r
+       public static Object jsonToBean(String json, Class<?> cls) throws Exception {\r
+               Object vo =null;\r
+               try {\r
+               ObjectMapper objectMapper = getMapperInstance();\r
+                 objectMapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false);  \r
+                vo = objectMapper.readValue(json, cls);\r
+               \r
+               } catch (Exception e) {\r
+                   logger.error(cls+" JsonTobean faild");\r
+                       throw new Exception(cls+" JsonTobean faild");\r
+               }       \r
+               return vo;\r
+       }\r
+       \r
+       /**\r
+     * from json to java List\r
+     * @param json \r
+     * @return \r
+     * @throws Exception \r
+     */\r
+    public static List<ApiRouteInfo> jsonToListBean(String json) throws Exception {\r
+        List<ApiRouteInfo> vo =null;\r
+        try {\r
+      \r
+        ObjectMapper objectMapper = getMapperInstance();\r
+    \r
+\r
+         vo = objectMapper.readValue(json, new TypeReference<List<ApiRouteInfo>>() {});\r
+        \r
+        } catch (Exception e) {\r
+            throw new Exception( "JSON_TO_BEAN_FAILD");\r
+        }   \r
+        return vo;\r
+    }\r
+    \r
+    public static void main(String[] args) {\r
+        RouteServer server=new RouteServer("127.0.0.1","80");\r
+        try {\r
+            String json=beanToJson(server);\r
+            System.out.println(json);\r
+        } catch (Exception e) {\r
+            // TODO Auto-generated catch block\r
+            e.printStackTrace();\r
+        }\r
+    }\r
+       \r
+\r
+}\r