convert list to json using Jackson

Question

With the below code I have converted list to json but the format is as follows:

{\"GodownMaster\":[{\"pname\":\"FCI CHARLAPALLI\",\"pcode\":\"16042\"},
         


        

Answer 1

Change the return result from Map to List and put : retrun godown_list So;

@RequestMapping("/getGodowns")
public @ResponseBody List
getGodownsBasedOnDistrict(@RequestParam(value="district_code") String 
dist_code) {

List godown_list = new ArrayList();
String exception = null;
try
{
    //getting name and codes here
    godown_list = scm_service.getGodownListBesedOnDistCode(dist_code);
}catch(Exception ex)
{
   ex.printStackTrace();
   exception = ex.getMessage();
}

return godown_list ;
}

UPDATE

And you can return result as string and you will get what you need :

@RequestMapping("/getGodowns")
public @ResponseBody String
getGodownsBasedOnDistrict(@RequestParam(value="district_code") String 
dist_code) {

List godown_list = new ArrayList();
String exception = null;
try
{
    //getting name and codes here
    godown_list = scm_service.getGodownListBesedOnDistCode(dist_code);
}catch(Exception ex)
{
   ex.printStackTrace();
   exception = ex.getMessage();
}
ObjectMapper objectMapper = new ObjectMapper();
    objectMapper.enable(SerializationFeature.INDENT_OUTPUT);
    String arrayToJson = objectMapper.writeValueAsString(godown_list);
    System.out.println("Convert List to JSON :");
    System.out.println(arrayToJson);

return arrayToJson ;
}

The returned String is json format.