X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=webapp-backend%2Fsrc%2Fmain%2Fjava%2Forg%2Foransc%2Fric%2Fportal%2Fdashboard%2Fconfig%2FA1MediatorApiBuilder.java;fp=webapp-backend%2Fsrc%2Fmain%2Fjava%2Forg%2Foransc%2Fric%2Fportal%2Fdashboard%2Fconfig%2FA1MediatorApiBuilder.java;h=0fbbcb354f6ff293cb5b7ab94cf46e53c8953c8a;hb=53f1fcf033e3a166d7203e0a1c5e0971f9c6bc16;hp=0000000000000000000000000000000000000000;hpb=6dd828008e1c553b5b4ac6e45af0ccf73c2ed92e;p=portal%2Fric-dashboard.git

diff --git a/webapp-backend/src/main/java/org/oransc/ric/portal/dashboard/config/A1MediatorApiBuilder.java b/webapp-backend/src/main/java/org/oransc/ric/portal/dashboard/config/A1MediatorApiBuilder.java
new file mode 100644
index 00000000..0fbbcb35
--- /dev/null
+++ b/webapp-backend/src/main/java/org/oransc/ric/portal/dashboard/config/A1MediatorApiBuilder.java
@@ -0,0 +1,65 @@
+/*-
+ * ========================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.config;
+
+import java.lang.invoke.MethodHandles;
+
+import org.oransc.ric.a1med.client.api.A1MediatorApi;
+import org.oransc.ric.a1med.client.invoker.ApiClient;
+import org.oransc.ric.portal.dashboard.model.RicInstanceList;
+import org.oransc.ric.portal.dashboard.model.RicInstance;
+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 A1MediatorApiBuilder {
+
+	private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
+
+	private final String urlSuffix;
+	private final RicInstanceList instanceConfig;
+
+	public A1MediatorApiBuilder(final RicInstanceList 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 A1MediatorApi getA1MediatorApi(String instanceKey) {
+		return new A1MediatorApi(apiClient(instanceKey));
+	}
+
+}