--- /dev/null
+/*-
+ * ========================LICENSE_START=================================
+ * O-RAN-SC
+ * %%
+ * Copyright (C) 2019 Nordix Foundation
+ * Modifications Copyright (C) 2020 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.portal.nonrtric.controlpanel.policyagentapi;
+
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+import com.google.gson.reflect.TypeToken;
+
+import java.lang.invoke.MethodHandles;
+import java.lang.reflect.Type;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.Map;
+
+import org.immutables.gson.Gson;
+import org.immutables.value.Value;
+import org.oransc.portal.nonrtric.controlpanel.model.ImmutablePolicyInfo;
+import org.oransc.portal.nonrtric.controlpanel.model.PolicyInfo;
+import org.oransc.portal.nonrtric.controlpanel.model.PolicyInstances;
+import org.oransc.portal.nonrtric.controlpanel.model.PolicyType;
+import org.oransc.portal.nonrtric.controlpanel.model.PolicyTypes;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Component;
+import org.springframework.web.client.RestTemplate;
+
+@Component("PolicyAgentApi")
+public class PolicyAgentApiImpl implements PolicyAgentApi {
+ private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
+
+ RestTemplate restTemplate;
+
+ private static com.google.gson.Gson gson = new GsonBuilder() //
+ .serializeNulls() //
+ .create(); //
+
+ private final String urlPrefix;
+
+ @Autowired
+ public PolicyAgentApiImpl(
+ @org.springframework.beans.factory.annotation.Value("${policycontroller.url.prefix}") final String urlPrefix) {
+ this(urlPrefix, new RestTemplate());
+ logger.debug("ctor prefix '{}'", urlPrefix);
+ }
+
+ public PolicyAgentApiImpl(String urlPrefix, RestTemplate restTemplate) {
+ this.urlPrefix = urlPrefix;
+ this.restTemplate = restTemplate;
+ }
+
+ private String baseUrl() {
+ return urlPrefix;
+ }
+
+ @Value.Immutable
+ @Gson.TypeAdapters
+ interface PolicyTypeInfo {
+
+ public String name();
+
+ public String schema();
+ }
+
+ @Override
+ public ResponseEntity<String> getAllPolicyTypes() {
+ try {
+ String url = baseUrl() + "/policy_schemas";
+ ResponseEntity<String> rsp = this.restTemplate.getForEntity(url, String.class);
+ if (!rsp.getStatusCode().is2xxSuccessful()) {
+ return rsp;
+ }
+
+ PolicyTypes result = new PolicyTypes();
+
+ JsonArray schemas = JsonParser.parseString(rsp.getBody()).getAsJsonArray();
+ for (JsonElement schema : schemas) {
+ JsonObject schemaObj = schema.getAsJsonObject();
+ String title = schemaObj.get("title").getAsString();
+ String schemaAsStr = schemaObj.toString();
+ PolicyType pt = new PolicyType(title, schemaAsStr);
+ result.add(pt);
+ }
+ return new ResponseEntity<>(gson.toJson(result), rsp.getStatusCode());
+ } catch (Exception e) {
+ return new ResponseEntity<>(e.getMessage(), HttpStatus.INTERNAL_SERVER_ERROR);
+ }
+ }
+
+ @Override
+ public ResponseEntity<String> getPolicyInstancesForType(String type) {
+ String url = baseUrl() + "/policies?type={type}";
+ Map<String, ?> uriVariables = Map.of("type", type);
+ ResponseEntity<String> rsp = this.restTemplate.getForEntity(url, String.class, uriVariables);
+ if (!rsp.getStatusCode().is2xxSuccessful()) {
+ return rsp;
+ }
+
+ try {
+ Type listType = new TypeToken<List<ImmutablePolicyInfo>>() {}.getType();
+ List<PolicyInfo> rspParsed = gson.fromJson(rsp.getBody(), listType);
+ PolicyInstances result = new PolicyInstances();
+ for (PolicyInfo p : rspParsed) {
+ result.add(p);
+ }
+ return new ResponseEntity<>(gson.toJson(result), rsp.getStatusCode());
+ } catch (Exception e) {
+ return new ResponseEntity<>(e.getMessage(), HttpStatus.INTERNAL_SERVER_ERROR);
+ }
+ }
+
+ @Override
+ public ResponseEntity<Object> getPolicyInstance(String id) {
+ String url = baseUrl() + "/policy?instance={id}";
+ Map<String, ?> uriVariables = Map.of("id", id);
+
+ return this.restTemplate.getForEntity(url, Object.class, uriVariables);
+ }
+
+ @Override
+ public ResponseEntity<String> putPolicy(String policyTypeIdString, String policyInstanceId, Object json,
+ String ric) {
+ String url = baseUrl() + "/policy?type={type}&instance={instance}&ric={ric}&service={service}";
+ Map<String, ?> uriVariables = Map.of( //
+ "type", policyTypeIdString, //
+ "instance", policyInstanceId, //
+ "ric", ric, //
+ "service", "controlpanel");
+
+ try {
+ this.restTemplate.put(url, createJsonHttpEntity(json), uriVariables);
+ return new ResponseEntity<>(HttpStatus.OK);
+ } catch (Exception e) {
+ return new ResponseEntity<>(e.getMessage(), HttpStatus.INTERNAL_SERVER_ERROR);
+ }
+ }
+
+ @Override
+ public ResponseEntity<String> deletePolicy(String policyInstanceId) {
+ String url = baseUrl() + "/policy?instance={instance}";
+ Map<String, ?> uriVariables = Map.of("instance", policyInstanceId);
+ try {
+ this.restTemplate.delete(url, uriVariables);
+ return new ResponseEntity<>(HttpStatus.OK);
+ } catch (Exception e) {
+ return new ResponseEntity<>(e.getMessage(), HttpStatus.NOT_FOUND);
+ }
+
+ }
+
+ @Value.Immutable
+ @Gson.TypeAdapters
+ interface RicInfo {
+ public String ricName();
+
+ public Collection<String> nodeNames();
+
+ public Collection<String> policyTypes();
+ }
+
+ @Override
+ public ResponseEntity<String> getRicsSupportingType(String typeName) {
+ String url = baseUrl() + "/rics?policyType={typeName}";
+ Map<String, ?> uriVariables = Map.of("typeName", typeName);
+ String rsp = this.restTemplate.getForObject(url, String.class, uriVariables);
+
+ try {
+ Type listType = new TypeToken<List<ImmutableRicInfo>>() {}.getType();
+ List<RicInfo> rspParsed = gson.fromJson(rsp, listType);
+ Collection<String> result = new ArrayList<>(rspParsed.size());
+ for (RicInfo ric : rspParsed) {
+ result.add(ric.ricName());
+ }
+ return new ResponseEntity<>(gson.toJson(result), HttpStatus.OK);
+ } catch (Exception e) {
+ return new ResponseEntity<>(e.getMessage(), HttpStatus.INTERNAL_SERVER_ERROR);
+ }
+ }
+
+ private HttpEntity<Object> createJsonHttpEntity(Object content) {
+ HttpHeaders headers = new HttpHeaders();
+ headers.setContentType(MediaType.APPLICATION_JSON);
+ return new HttpEntity<>(content, headers);
+ }
+
+}
Code Review / portal / nonrtric-controlpanel.git / blobdiff