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diff --git a/cmso-service/src/main/java/org/onap/optf/cmso/aaf/BaseEndpoints.java b/cmso-service/src/main/java/org/onap/optf/cmso/aaf/BaseEndpoints.java
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+/*
+ * Copyright (c) 2019 AT&T Intellectual Property.
+ * Modifications Copyright © 2018 IBM.
+ *
+ * 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.
+ *
+ *
+ * Unless otherwise specified, all documentation contained herein is licensed
+ * under the Creative Commons License, Attribution 4.0 Intl. (the "License");
+ * you may not use this documentation except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * https://creativecommons.org/licenses/by/4.0/
+ *
+ * Unless required by applicable law or agreed to in writing, documentation
+ * 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.
+*/
+
+package org.onap.optf.cmso.aaf;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.core.env.Environment;
+import org.springframework.stereotype.Component;
+
+/**
+ * Intent is to use AAF vanity URL however, this allows us to support a list of URLs.
+ */
+@Component
+public class BaseEndpoints {
+
+ @Autowired
+ Environment env;
+
+ private Map<EndpointInterface, List<String>> endpointMap = new HashMap<>();
+ private Map<EndpointInterface, String> endpointMapOk = new HashMap<>();
+
+ /**
+ * Gets the endpoint.
+ *
+ * @param ep the ep
+ * @param endpoints the endpoints
+ * @return the endpoint
+ */
+ public String getEndpoint(EndpointInterface ep, List<String> endpoints) {
+ loadUrls(ep);
+ endpoints.clear();
+ endpoints.addAll(endpointMap.get(ep));
+ String endpoint = null;
+ if (endpoints.size() > 0) {
+ // Make an attempt to return the most recent "working" endpoint.
+ //
+ synchronized (endpointMapOk) {
+ endpoint = endpointMapOk.get(ep);
+ if (endpoint == null) {
+ endpoint = endpoints.get(0);
+ endpointMapOk.put(ep, endpoint);
+ }
+ }
+ endpoints.remove(endpoint);
+ }
+ return endpoint;
+ }
+
+ // Call this if the previous enpoint failed to connect.
+ /**
+ * Gets the next endpoint.
+ *
+ * @param ep the ep
+ * @param endpoints the endpoints
+ * @return the next endpoint
+ */
+ // An attempt to track the most recent "working" endpoint.
+ public String getNextEndpoint(EndpointInterface ep, List<String> endpoints) {
+ String endpoint = null;
+ if (endpoints.size() > 0) {
+ endpoint = endpoints.remove(0);
+ synchronized (endpointMapOk) {
+ // Let's hope this one works.
+ endpointMapOk.put(ep, endpoint);
+ }
+ }
+ return endpoint;
+ }
+
+ private synchronized void loadUrls(EndpointInterface endpoint) {
+ endpointMap = new HashMap<>();
+ String urls = env.getProperty(AafProperties.aafUrls.toString());
+ String[] list = urls.split("\\|");
+ for (String url : list) {
+ for (EndpointInterface ep : endpoint.getValues()) {
+ addToEndpointMap(ep, url);
+ }
+ }
+ }
+
+
+ private void addToEndpointMap(EndpointInterface ep, String endpoint) {
+ List<String> list = endpointMap.get(ep);
+ if (list == null) {
+ list = new ArrayList<>();
+ endpointMap.put(ep, list);
+ }
+ String path = env.getProperty(ep.getPathName().toString(), ep.defaultPath());
+ list.add(endpoint + path);
+ }
+}