package com.pubnub.api; import org.json.JSONException; import org.json.JSONObject; import java.util.Iterator; public class JSONHelper extends JSONHelperCore { /** * Merge original and newObject. Does not support JSONArrays. * * @param original object * @param newObject object * @throws JSONException */ public static JSONObject merge(JSONObject original, JSONObject newObject) throws JSONException { return merge(original, newObject, null); } /** * Merge original and newObject at specified location. Does not support JSONArrays. * * @param original object * @param newObject object * @param location path * @throws JSONException */ public static JSONObject merge(JSONObject original, JSONObject newObject, String location) throws JSONException { JSONObject current; if (PubnubUtil.isBlank(location)) { current = original; } else { String[] pathElements = PubnubUtil.splitString(location, "."); current = original; int length = pathElements.length; //noinspection ForLoopReplaceableByForEach for (int i = 0; i < length; i++) { String key = pathElements[i]; if (!current.has(key)) { current.put(key, new JSONObject()); } current = current.getJSONObject(key); } } Iterator fieldNames = newObject.keys(); Object newNode; Object originalNode; while (fieldNames.hasNext()) { String fieldName = (String) fieldNames.next(); newNode = newObject.get(fieldName); try { originalNode = current.get(fieldName); } catch (JSONException e) { originalNode = null; } if (originalNode instanceof JSONObject && newNode instanceof JSONObject) { current.put(fieldName, merge((JSONObject) originalNode, (JSONObject) newNode)); } else { current.put(fieldName, newNode); } } return original; } }