Programming/java
Convert JSONObject/JSONArray to a Map/List
by 막이
2017. 7. 12.
JSONObject 또는 JSONArray를 Map 이나 List 로 변환하기
| import org.json.JSONArray; | | import org.json.JSONException; | | import org.json.JSONObject; | |
| | import java.util.*; | |
| | public class JsonHelper { | | public static Object toJSON(Object object) throws JSONException { | | if (object instanceof Map) { | | JSONObject json = new JSONObject(); | | Map map = (Map) object; | | for (Object key : map.keySet()) { | | json.put(key.toString(), toJSON(map.get(key))); | | } | | return json; | | } else if (object instanceof Iterable) { | | JSONArray json = new JSONArray(); | | for (Object value : ((Iterable)object)) { | | json.put(value); | | } | | return json; | | } else { | | return object; | | } | | } | |
| | public static boolean isEmptyObject(JSONObject object) { | | return object.names() == null; | | } | |
| | public static Map<String, Object> getMap(JSONObject object, String key) throws JSONException { | | return toMap(object.getJSONObject(key)); | | } | |
| | public static Map<String, Object> toMap(JSONObject object) throws JSONException { | | Map<String, Object> map = new HashMap(); | | Iterator keys = object.keys(); | | while (keys.hasNext()) { | | String key = (String) keys.next(); | | map.put(key, fromJson(object.get(key))); | | } | | return map; | | } | |
| | public static List toList(JSONArray array) throws JSONException { | | List list = new ArrayList(); | | for (int i = 0; i < array.length(); i++) { | | list.add(fromJson(array.get(i))); | | } | | return list; | | } | |
| | private static Object fromJson(Object json) throws JSONException { | | if (json == JSONObject.NULL) { | | return null; | | } else if (json instanceof JSONObject) { | | return toMap((JSONObject) json); | | } else if (json instanceof JSONArray) { | | return toList((JSONArray) json); | | } else { | | return json; | | } | | } | | } |
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링크 : https://gist.github.com/codebutler/2339666
