2 * ============LICENSE_START=======================================================
3 * PNF-REGISTRATION-HANDLER
4 * ================================================================================
5 * Copyright (C) 2018 Nokia. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.onap.pnfsimulator.simulator;
23 import com.google.gson.JsonElement;
24 import com.google.gson.JsonObject;
25 import org.springframework.stereotype.Component;
30 class TemplatePatcher {
32 JsonObject mergeTemplateWithPatch(JsonObject templateJson, JsonObject patchJson) {
33 JsonObject template = templateJson.deepCopy();
34 patchTemplateNode(template, patchJson);
38 private void patchTemplateNode(JsonObject templateJson, JsonObject patchJson) {
39 for (Map.Entry<String, JsonElement> stringJsonElementEntry : patchJson.entrySet()) {
40 String patchKey = stringJsonElementEntry.getKey();
41 JsonElement patchValue = stringJsonElementEntry.getValue();
42 JsonElement templateElement = templateJson.get(patchKey);
44 if (!patchValue.isJsonObject() || templateElement == null || !templateElement.isJsonObject()) {
45 templateJson.remove(patchKey);
46 templateJson.add(patchKey, patchValue);
48 patchTemplateNode(templateElement.getAsJsonObject(), patchValue.getAsJsonObject());