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.clients;
23 import java.lang.invoke.MethodHandles;
24 import java.util.ArrayList;
25 import java.util.Collection;
26 import java.util.List;
28 import org.json.JSONArray;
29 import org.json.JSONException;
30 import org.json.JSONObject;
31 import org.oransc.policyagent.configuration.RicConfig;
32 import org.oransc.policyagent.repository.Policy;
33 import org.slf4j.Logger;
34 import org.slf4j.LoggerFactory;
35 import reactor.core.publisher.Mono;
37 public class StdA1Client implements A1Client {
38 private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
40 private final RicConfig ricConfig;
41 private final AsyncRestClient restClient;
43 public StdA1Client(RicConfig ricConfig) {
44 this.ricConfig = ricConfig;
45 this.restClient = new AsyncRestClient(getBaseUrl());
48 public StdA1Client(RicConfig ricConfig, AsyncRestClient restClient) {
49 this.ricConfig = ricConfig;
50 this.restClient = restClient;
54 public Mono<Collection<String>> getPolicyTypeIdentities() {
55 logger.debug("getPolicyTypeIdentities nearRtRicUrl = {}", ricConfig.baseUrl());
56 return restClient.get("/policytypes/identities") //
57 .flatMap(this::parseJsonArrayOfString);
61 public Mono<Collection<String>> getPolicyIdentities() {
62 logger.debug("getPolicyIdentities nearRtRicUrl = {}", ricConfig.baseUrl());
63 return restClient.get("/policies/identities") //
64 .flatMap(this::parseJsonArrayOfString);
68 public Mono<String> getPolicyTypeSchema(String policyTypeId) {
69 logger.debug("getPolicyType nearRtRicUrl = {}, policyTypeId = {}", ricConfig.baseUrl(), policyTypeId);
70 Mono<String> response = restClient.get("/policytypes/" + policyTypeId);
71 return response.flatMap(this::createMono);
75 public Mono<String> putPolicy(Policy policy) {
76 logger.debug("putPolicy nearRtRicUrl = {}, policyId = {}, policyString = {}", //
77 policy.ric().getConfig().baseUrl(), policy.id(), policy.json());
78 // TODO update when simulator is updated to include policy type
79 // Mono<String> response = client.put("/policies/" + policy.id() + "?policyTypeId=" + policy.type().name(),
81 Mono<String> response = restClient.put("/policies/" + policy.id(), policy.json());
83 return response.flatMap(this::createMono);
87 public Mono<String> deletePolicy(String policyId) {
88 logger.debug("deletePolicy nearRtRicUrl = {}, policyId = {}", ricConfig.baseUrl(), policyId);
89 return restClient.delete("/policies/" + policyId);
93 public Mono<A1ProtocolType> getProtocolVersion() {
94 return getPolicyTypeIdentities() //
95 .flatMap(x -> Mono.just(A1ProtocolType.STD_V1));
98 private String getBaseUrl() {
99 return ricConfig.baseUrl() + "/A1-P/v1";
102 private Mono<Collection<String>> parseJsonArrayOfString(String inputString) {
104 List<String> arrayList = new ArrayList<>();
105 JSONArray jsonArray = new JSONArray(inputString);
106 for (int i = 0; i < jsonArray.length(); i++) {
107 arrayList.add(jsonArray.getString(i));
109 logger.debug("A1 client: received list = {}", arrayList);
110 return Mono.just(arrayList);
111 } catch (JSONException ex) { // invalid json
112 return Mono.error(ex);
116 private Mono<String> createMono(String inputString) {
118 JSONObject jsonObject = new JSONObject(inputString);
119 String jsonString = jsonObject.toString();
120 logger.debug("A1 client: received string = {}", jsonString);
121 return Mono.just(jsonString);
122 } catch (JSONException ex) { // invalid json
123 return Mono.error(ex);