Dashboard using policy agent NBI

[nonrtric.git] / dashboard / webapp-backend / src / main / java / org / oransc / ric / portal / dashboard / policyagentapi / PolicyAgentApiImpl.java

diff --git a/dashboard/webapp-backend/src/main/java/org/oransc/ric/portal/dashboard/policyagentapi/PolicyAgentApiImpl.java b/dashboard/webapp-backend/src/main/java/org/oransc/ric/portal/dashboard/policyagentapi/PolicyAgentApiImpl.java
new file mode 100644 (file)
index 0000000..8236de1
--- /dev/null
+++ b/dashboard/webapp-backend/src/main/java/org/oransc/ric/portal/dashboard/policyagentapi/PolicyAgentApiImpl.java
@@ -0,0 +1,145 @@
+/*-
+ * ========================LICENSE_START=================================
+ * O-RAN-SC
+ * %%
+ * Copyright (C) 2019 AT&T Intellectual Property
+ * %%
+ * 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.ric.portal.dashboard.policyagentapi;
+
+import org.oransc.ric.portal.dashboard.DashboardConstants;
+import org.oransc.ric.portal.dashboard.model.ImmutablePolicyInfo;
+import org.oransc.ric.portal.dashboard.model.PolicyInfo;
+import org.oransc.ric.portal.dashboard.model.PolicyInstances;
+import org.oransc.ric.portal.dashboard.model.PolicyType;
+import org.oransc.ric.portal.dashboard.model.PolicyTypes;
+import org.springframework.beans.factory.annotation.Autowired;
+
+import org.springframework.stereotype.Component;
+import org.springframework.web.client.RestClientException;
+import org.springframework.web.client.RestTemplate;
+
+import java.util.List;
+import java.util.Map;
+import java.lang.invoke.MethodHandles;
+import java.lang.reflect.Type;
+
+import com.google.gson.GsonBuilder;
+import com.google.gson.annotations.SerializedName;
+import com.google.gson.reflect.TypeToken;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.immutables.gson.Gson;
+import org.immutables.value.Value;
+
+@Component("PolicyAgentApi")
+public class PolicyAgentApiImpl implements PolicyAgentApi {
+    private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
+
+    RestTemplate restTemplate = new 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) {
+        logger.debug("ctor prefix '{}'", urlPrefix);
+        this.urlPrefix = urlPrefix;
+    }
+
+    private String baseUrl() {
+        return urlPrefix;
+    }
+
+    @Value.Immutable
+    @Gson.TypeAdapters
+    interface PolicyTypeInfo {
+
+        public String name();
+
+        public String schema();
+    }
+
+    private PolicyType toPolicyType(PolicyTypeInfo i) {
+        return new PolicyType(i.name(), i.schema());
+    }
+
+    @Override
+    public PolicyTypes getAllPolicyTypes() throws RestClientException {
+        String url = baseUrl() + "/policy_types";
+        String rsp = this.restTemplate.getForObject(url, String.class);
+
+        Type listType = new TypeToken<List<ImmutablePolicyTypeInfo>>() {
+        }.getType();
+        List<PolicyTypeInfo> rspParsed = gson.fromJson(rsp, listType);
+
+        PolicyTypes result = new PolicyTypes();
+        for (PolicyTypeInfo i : rspParsed) {
+            result.add(toPolicyType(i));
+        }
+        return result;
+    }
+
+    @Override
+    public PolicyInstances getPolicyInstancesForType(String type) {
+        String url = baseUrl() + "/policies?type={type}";
+        Map<String, ?> uriVariables = Map.of("type", type);
+        String rsp = this.restTemplate.getForObject(url, String.class, uriVariables);
+
+        Type listType = new TypeToken<List<ImmutablePolicyInfo>>() {
+        }.getType();
+        List<PolicyInfo> rspParsed = gson.fromJson(rsp, listType);
+
+        PolicyInstances result = new PolicyInstances();
+        for (PolicyInfo p : rspParsed) {
+            result.add(p);
+        }
+        return result;
+
+    }
+
+    @Override
+    public String getPolicyInstance(String id) throws RestClientException {
+        String url = baseUrl() + "/policy?instance={id}";
+        Map<String, ?> uriVariables = Map.of("id", id);
+
+        return this.restTemplate.getForObject(url, String.class, uriVariables);
+    }
+
+    @Override
+    public void putPolicy(String policyTypeIdString, String policyInstanceId, String json) throws RestClientException {
+        String url = baseUrl() + "/policy?type={type}&instance={instance}&ric={ric}&service={service}";
+        Map<String, ?> uriVariables = Map.of( //
+                "type", policyTypeIdString, //
+                "instance", policyInstanceId, //
+                "ric", "ric1", // TODO
+                "service", "dashboard");
+
+        this.restTemplate.put(url, json, uriVariables);
+    }
+
+    @Override
+    public void deletePolicy(String policyInstanceId) throws RestClientException {
+        String url = baseUrl() + "/policy?instance={instance}";
+        Map<String, ?> uriVariables = Map.of("instance", policyInstanceId);
+        this.restTemplate.delete(url, uriVariables);
+    }
+
+}