Merge "Add Xapp Onboarder client to backend"

[portal/ric-dashboard.git] / dashboard / webapp-backend / src / main / java / org / oransc / ric / portal / dashboard / config / XappOnboarderApiBuilder.java

diff --git a/dashboard/webapp-backend/src/main/java/org/oransc/ric/portal/dashboard/config/XappOnboarderApiBuilder.java b/dashboard/webapp-backend/src/main/java/org/oransc/ric/portal/dashboard/config/XappOnboarderApiBuilder.java
new file mode 100644 (file)
index 0000000..29ab09a
--- /dev/null
+++ b/dashboard/webapp-backend/src/main/java/org/oransc/ric/portal/dashboard/config/XappOnboarderApiBuilder.java
@@ -0,0 +1,75 @@
+/*-
+ * ========================LICENSE_START=================================
+ * O-RAN-SC
+ * %%
+ * Copyright (C) 2020 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.config;
+
+import java.lang.invoke.MethodHandles;
+
+import org.oransc.itdev.xapponboarder.client.api.ChartsApi;
+import org.oransc.itdev.xapponboarder.client.api.HealthApi;
+import org.oransc.itdev.xapponboarder.client.api.OnboardApi;
+import org.oransc.itdev.xapponboarder.client.invoker.ApiClient;
+import org.oransc.ric.portal.dashboard.model.RicInstance;
+import org.oransc.ric.portal.dashboard.model.RicRegionList;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.web.client.RestTemplate;
+import org.springframework.web.util.DefaultUriBuilderFactory;
+
+/**
+ * The OpenAPI generated API client code using Spring RestTemplate is not thread
+ * safe according to https://github.com/swagger-api/swagger-codegen/issues/9222
+ *
+ * As a workaround this builder creates a new client at every request. If this
+ * proves to be too slow then clients could be cached for each thread.
+ */
+public class XappOnboarderApiBuilder {
+
+       private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
+
+       private final String urlSuffix;
+       private final RicRegionList instanceConfig;
+
+       public XappOnboarderApiBuilder(final RicRegionList instanceConfig, final String urlSuffix) {
+               logger.debug("ctor: suffix {}", urlSuffix);
+               this.instanceConfig = instanceConfig;
+               this.urlSuffix = urlSuffix;
+       }
+
+       private ApiClient apiClient(String instanceKey) {
+               RicInstance instance = instanceConfig.getInstance(instanceKey);
+               String url = new DefaultUriBuilderFactory(instance.getPltUrlPrefix().trim()).builder()
+                               .path(this.urlSuffix.trim()).build().normalize().toString();
+               logger.debug("apiClient URL {}", url);
+               return new ApiClient(new RestTemplate()).setBasePath(url);
+       }
+
+       public HealthApi getHealthApi(String instanceKey) {
+               return new HealthApi(apiClient(instanceKey));
+       }
+
+       public ChartsApi getChartsApi(String instanceKey) {
+               return new ChartsApi(apiClient(instanceKey));
+       }
+
+       public OnboardApi getOnboardApi(String instanceKey) {
+               return new OnboardApi(apiClient(instanceKey));
+       }
+
+}