json to hashmap

json_to_hashmap.java

/*
  jackson-mapper here:
  http://mvnrepository.com/artifact/org.codehaus.jackson/jackson-mapper-asl
*/

import org.codehaus.jackson.JsonParseException;
import org.codehaus.jackson.map.JsonMappingException;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.type.TypeReference;


public static HashMap<String, String> jsonToHashMap(String jsonSource) {
  
  HashMap<String, String> out = new HashMap<String, String>();
  
  try {
    // 1 get any, even non-valid json data
    // 2 -> to hashmap
    JSONObject o = new JSONObject(jsonSource);
    out = new ObjectMapper().readValue(o.toString(), new TypeReference<HashMap<String,String>>(){});
  } catch (JSONException e1) {
    e1.printStackTrace();
  } catch (JsonMappingException e1) {
    e1.printStackTrace();
  } catch (JsonParseException e1) {
    e1.printStackTrace();
  } catch (IOException e1) {
    e1.printStackTrace();
  }
  
  return out;
}