1 files changed, 95 insertions, 0 deletions
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/internal/BusHelper.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/internal/BusHelper.java
new file mode 100644
index 00000000..298607b5
--- /dev/null
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/internal/BusHelper.java
@@ -0,0 +1,95 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP POLICY
+ * ================================================================================
+ * Copyright (C) 2023 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.onap.policy.common.endpoints.event.comm.bus.internal;
+
+import java.util.Properties;
+import org.onap.policy.common.endpoints.properties.PolicyEndPointProperties;
+
+public class BusHelper {
+
+    private BusHelper() {
+        /* no constructor */
+    }
+
+    /**
+     * Complete the properties param with common fields for both BusConsumer and BusPublisher.
+     * @param busTopicParams topics
+     * @param dme2RouteOffer route
+     * @param props properties
+     */
+    public static void setCommonProperties(BusTopicParams busTopicParams, String dme2RouteOffer, Properties props) {
+        props.setProperty("Environment", busTopicParams.getEnvironment());
+        props.setProperty("AFT_ENVIRONMENT", busTopicParams.getAftEnvironment());
+
+        if (busTopicParams.getPartner() != null) {
+            props.setProperty("Partner", busTopicParams.getPartner());
+        }
+        if (dme2RouteOffer != null) {
+            props.setProperty(PolicyEndPointProperties.DME2_ROUTE_OFFER_PROPERTY, dme2RouteOffer);
+        }
+
+        props.setProperty("Latitude", busTopicParams.getLatitude());
+        props.setProperty("Longitude", busTopicParams.getLongitude());
+
+        /* These are optional, will default to these values if not set in additionalProps */
+        props.setProperty("AFT_DME2_EP_READ_TIMEOUT_MS", "50000");
+        props.setProperty("AFT_DME2_ROUNDTRIP_TIMEOUT_MS", "240000");
+        props.setProperty("AFT_DME2_EP_CONN_TIMEOUT", "15000");
+        props.setProperty("Version", "1.0");
+        props.setProperty("SubContextPath", "/");
+        props.setProperty("sessionstickinessrequired", "no");
+
+        /* These should not change */
+        props.setProperty("TransportType", "DME2");
+    }
+
+    /**
+     * Throws exception when any of the checks are invalid.
+     * @param busTopicParams topics
+     * @param topicType topic type (sink or source)
+     */
+    public static void validateBusTopicParams(BusTopicParams busTopicParams, String topicType) {
+        if (busTopicParams.isEnvironmentInvalid()) {
+            throw paramException(busTopicParams.getTopic(), topicType,
+                PolicyEndPointProperties.PROPERTY_DMAAP_DME2_ENVIRONMENT_SUFFIX);
+        }
+        if (busTopicParams.isAftEnvironmentInvalid()) {
+            throw paramException(busTopicParams.getTopic(), topicType,
+                PolicyEndPointProperties.PROPERTY_DMAAP_DME2_AFT_ENVIRONMENT_SUFFIX);
+        }
+        if (busTopicParams.isLatitudeInvalid()) {
+            throw paramException(busTopicParams.getTopic(), topicType,
+                PolicyEndPointProperties.PROPERTY_DMAAP_DME2_LATITUDE_SUFFIX);
+        }
+        if (busTopicParams.isLongitudeInvalid()) {
+            throw paramException(busTopicParams.getTopic(), topicType,
+                PolicyEndPointProperties.PROPERTY_DMAAP_DME2_LONGITUDE_SUFFIX);
+        }
+    }
+
+    private static IllegalArgumentException paramException(String topic, String topicType, String propertyName) {
+        return new IllegalArgumentException("Missing " + topicType + "."
+            + topic + propertyName + " property for DME2 in DMaaP");
+
+    }
+}