1 files changed, 58 insertions, 0 deletions
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/utils/KafkaPropertyUtils.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/utils/KafkaPropertyUtils.java
new file mode 100644
index 00000000..03e20762
--- /dev/null
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/utils/KafkaPropertyUtils.java
@@ -0,0 +1,58 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019, 2021 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2022-2023 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.utils;
+
+import com.google.re2j.Pattern;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
+import org.onap.policy.common.endpoints.event.comm.bus.internal.BusTopicParams;
+import org.onap.policy.common.endpoints.event.comm.bus.internal.BusTopicParams.TopicParamsBuilder;
+import org.onap.policy.common.endpoints.properties.PolicyEndPointProperties;
+
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public class KafkaPropertyUtils {
+    private static final Pattern COMMA_SPACE_PAT = Pattern.compile("\\s*,\\s*");
+
+    /**
+     * Makes a topic builder, configuring it with properties that are common to both
+     * sources and sinks.
+     *
+     * @param props properties to be used to configure the builder
+     * @param topic topic being configured
+     * @param servers target servers
+     * @return a topic builder
+     */
+    public static TopicParamsBuilder makeBuilder(PropertyUtils props, String topic, String servers) {
+
+        final List<String> serverList = new ArrayList<>(Arrays.asList(COMMA_SPACE_PAT.split(servers)));
+
+        return BusTopicParams.builder()
+                    .servers(serverList)
+                    .topic(topic)
+                    .effectiveTopic(props.getString(PolicyEndPointProperties.PROPERTY_TOPIC_EFFECTIVE_TOPIC_SUFFIX,
+                                    topic))
+                    .managed(props.getBoolean(PolicyEndPointProperties.PROPERTY_MANAGED_SUFFIX, true));
+    }
+}