2 * ========================LICENSE_START=================================
5 * Copyright (C) 2019 Nordix Foundation
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.oransc.policyagent.configuration;
23 import com.google.gson.Gson;
24 import com.google.gson.GsonBuilder;
25 import com.google.gson.JsonArray;
26 import com.google.gson.JsonElement;
27 import com.google.gson.JsonObject;
29 import java.util.Vector;
31 import org.oransc.policyagent.exceptions.ServiceException;
33 class ApplicationConfigParser {
35 private static final String CONFIG = "config";
36 private static Gson gson = new GsonBuilder() //
40 private Vector<RicConfig> ricConfig;
42 public ApplicationConfigParser() {
45 public void parse(JsonObject root) throws ServiceException {
46 JsonObject config = root.getAsJsonObject(CONFIG);
47 ricConfig = parseRics(config);
50 public Vector<RicConfig> getRicConfigs() {
51 return this.ricConfig;
54 private Vector<RicConfig> parseRics(JsonObject config) throws ServiceException {
55 Vector<RicConfig> result = new Vector<RicConfig>();
56 for (JsonElement ricElem : getAsJsonArray(config, "ric")) {
57 result.add(gson.fromJson(ricElem.getAsJsonObject(), ImmutableRicConfig.class));
62 private static JsonElement get(JsonObject obj, String memberName) throws ServiceException {
63 JsonElement elem = obj.get(memberName);
65 throw new ServiceException("Could not find member: " + memberName + " in: " + obj);
70 private JsonArray getAsJsonArray(JsonObject obj, String memberName) throws ServiceException {
71 return get(obj, memberName).getAsJsonArray();