--- /dev/null
+/*-
+ * ========================LICENSE_START=================================
+ * O-RAN-SC
+ * %%
+ * Copyright (C) 2019 Nordix Foundation
+ * %%
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ========================LICENSE_END===================================
+ */
+package org.oransc.policyagent.clients;
+
+import java.lang.invoke.MethodHandles;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.json.JSONArray;
+import org.json.JSONObject;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import reactor.core.publisher.Flux;
+import reactor.core.publisher.Mono;
+
+public class A1Client {
+ private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
+
+ public String getBaseUrl(final String nearRtRicUrl) {
+ return nearRtRicUrl + "/A1-P/v1";
+ }
+
+ public Flux<String> getAllPolicyTypes(String nearRtRicUrl) {
+ logger.debug("getAllPolicyTypes nearRtRicUrl = {}", nearRtRicUrl);
+ AsyncRestClient client = new AsyncRestClient(getBaseUrl(nearRtRicUrl));
+ Mono<String> response = client.get("/policytypes");
+ return response.flatMapMany(this::createPolicyTypesFlux);
+ }
+
+ public Flux<String> getPoliciesForType(String nearRtRicUrl, String policyTypeId) {
+ logger.debug("getPoliciesForType nearRtRicUrl = {}, policyTypeId = {}", nearRtRicUrl, policyTypeId);
+ AsyncRestClient client = new AsyncRestClient(getBaseUrl(nearRtRicUrl));
+ Mono<String> response = client.get("/policies");
+ return response.flatMapMany(policiesString -> createPoliciesFlux(policiesString, policyTypeId));
+ }
+
+ public Mono<String> getPolicy(String nearRtRicUrl, String policyId) {
+ logger.debug("getPolicy nearRtRicUrl = {}, policyId = {}", nearRtRicUrl, policyId);
+ AsyncRestClient client = new AsyncRestClient(getBaseUrl(nearRtRicUrl));
+ Mono<String> response = client.get("/policies/" + policyId);
+ return response.flatMap(this::createPolicyMono);
+ }
+
+ public Mono<String> putPolicy(String nearRtRicUrl, String policyId, String policyString) {
+ logger.debug("putPolicy nearRtRicUrl = {}, policyId = {}, policyString = {}", nearRtRicUrl, policyId,
+ policyString);
+ AsyncRestClient client = new AsyncRestClient(getBaseUrl(nearRtRicUrl));
+ Mono<String> response = client.put("/policies/" + policyId, policyString);
+ return response.flatMap(this::createPolicyMono);
+ }
+
+ public Mono<Void> deletePolicy(String nearRtRicUrl, String policyId) {
+ logger.debug("deletePolicy nearRtRicUrl = {}, policyId = {}", nearRtRicUrl, policyId);
+ AsyncRestClient client = new AsyncRestClient(getBaseUrl(nearRtRicUrl));
+ return client.delete("/policies/" + policyId);
+ }
+
+ private Flux<String> createPolicyTypesFlux(String policyTypesString) {
+ List<String> policyTypesList = new ArrayList<>();
+ JSONArray policyTypesArray = new JSONArray(policyTypesString);
+ for (int i = 0; i < policyTypesArray.length(); i++) {
+ policyTypesList.add(policyTypesArray.getJSONObject(i).toString());
+ }
+ logger.debug("A1 client: policyTypes = {}", policyTypesList);
+ return Flux.fromIterable(policyTypesList);
+ }
+
+ private Flux<String> createPoliciesFlux(String policiesString, String policyTypeId) {
+ List<String> policiesList = new ArrayList<>();
+ JSONArray policiesArray = new JSONArray(policiesString);
+ for (int i = 0; i < policiesArray.length(); i++) {
+ JSONObject policyObject = policiesArray.getJSONObject(i);
+ if (policyObject.get("policyTypeId").equals(policyTypeId)) {
+ policiesList.add(policyObject.toString());
+ }
+ }
+ logger.debug("A1 client: policies = {}", policiesList);
+ return Flux.fromIterable(policiesList);
+ }
+
+ private Mono<String> createPolicyMono(String policyString) {
+ // remove white-spaces
+ policyString = policyString.replaceAll("\\s+", "");
+ logger.debug("A1 client: policy = {}", policyString);
+ return Mono.just(policyString);
+ }
+}
--- /dev/null
+/*-
+ * ========================LICENSE_START=================================
+ * O-RAN-SC
+ * %%
+ * Copyright (C) 2019 Nordix Foundation
+ * %%
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ========================LICENSE_END===================================
+ */
+package org.oransc.policyagent.clients;
+
+import org.springframework.http.MediaType;
+import org.springframework.web.reactive.function.client.WebClient;
+import reactor.core.publisher.Mono;
+
+public class AsyncRestClient {
+ private final WebClient client;
+
+ public AsyncRestClient(String baseUrl) {
+ this.client = WebClient.create(baseUrl);
+ }
+
+ public Mono<String> put(String uri, String body) {
+ return client.put() //
+ .uri(uri) //
+ .contentType(MediaType.APPLICATION_JSON) //
+ .syncBody(body) //
+ .retrieve() //
+ .bodyToMono(String.class);
+ }
+
+ public Mono<String> get(String uri) {
+ return client.get() //
+ .uri(uri) //
+ .retrieve() //
+ .bodyToMono(String.class);
+ }
+
+ public Mono<Void> delete(String uri) {
+ return client.delete() //
+ .uri(uri) //
+ .retrieve() //
+ .bodyToMono(Void.class);
+ }
+}