Parse Specific JSON Structure [duplicate]

Question

I would like to know how to parse this specific JSON structure in java:

[
   {
      "name":"property2",
      "value":"ANOTHER VALUE"
   },
   {
      "name":"property1",
      "value":"ANOTHER VALUE"
   }
]

I mean: I know how to parse in Java that file, but I would like to know if there is any java annotation I could use in order to take it to the following structure:

public class CustomClass    {
    private List<Map<String, String>> propertyListMap;
}

I asked this because I wanna avoid generating too much code...

Answer 1

You can use Jackson , here's an example of how to parse a json file into a List<Map<String, Object>> :

   try {

        ObjectMapper mapper = new ObjectMapper();

        // read JSON from a file
        List<Map<String, Object>> lmap = mapper.readValue(
                new File("user.json"),
                new TypeReference<List<Map<String, Object>>>() {
        });
        } catch (JsonGenerationException e) {
            e.printStackTrace();
        } catch (JsonMappingException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }

Answer 2

Any specific reason you need a List<Map<String, String>>?

If not, I would go for a List<MappingClass> following this post's instructions: How to use Jackson to deserialise an array of objects