genson: JSON utility class

import java.util.List;
import java.util.Map;

import com.owlike.genson.GenericType;
import com.owlike.genson.Genson;
import com.owlike.genson.GensonBuilder;

public class JSONUtil {
 private static Genson genson = new Genson();
 private static Genson skipNullGenson = new GensonBuilder()
   .setSkipNull(true).create();
 private static Genson prettyGenson = new GensonBuilder().useIndentation(
   true).create();

 public static String getJson(Object obj) {
  return genson.serialize(obj);
 }

 public static <T> T deserializeJson(String json, Class<T> clazz) {
  return genson.deserialize(json, clazz);
 }

 public static <T> List<T> getListOfObjects(String json,
   GenericType<List<T>> list) {
  return genson.deserialize(json, list);
 }

 public static <K, V> Map<K, V> getMap(String json,
   GenericType<Map<K, V>> map) {
  return genson.deserialize(json, map);
 }

 public static String getJsonSkipNulls(Object obj) {
  return skipNullGenson.serialize(obj);
 }

 public static String getPrettyJson(Object obj) {
  return prettyGenson.serialize(obj);
 }
}

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