1 files changed, 61 insertions, 0 deletions
diff --git a/src/main/java/org/onap/dcae/common/publishing/DMaaPPublishersBuilder.java b/src/main/java/org/onap/dcae/common/publishing/DMaaPPublishersBuilder.java
new file mode 100644
index 00000000..a93073bf
--- /dev/null
+++ b/src/main/java/org/onap/dcae/common/publishing/DMaaPPublishersBuilder.java
@@ -0,0 +1,61 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * org.onap.dcaegen2.collectors.ves
+ * ================================================================================
+ * Copyright (C) 2018 Nokia. All rights reserved.
+ * ================================================================================
+ * 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.dcae.common.publishing;
+
+import com.att.nsa.cambria.client.CambriaBatchingPublisher;
+import com.att.nsa.cambria.client.CambriaClientBuilders;
+import com.att.nsa.cambria.client.CambriaClientBuilders.PublisherBuilder;
+import io.vavr.control.Try;
+
+import static io.vavr.API.Try;
+import static org.onap.dcae.common.publishing.VavrUtils.enhanceError;
+import static org.onap.dcae.common.publishing.VavrUtils.f;
+
+/**
+ * @author Pawel Szalapski (pawel.szalapski@nokia.com)
+ */
+final class DMaaPPublishersBuilder {
+
+    static Try<CambriaBatchingPublisher> buildPublisher(PublisherConfig config) {
+        return Try(() -> builder(config).build())
+                .mapFailure(enhanceError(f("DMaaP client builder throws exception for this configuration: '%s'", config)));
+    }
+
+    private static PublisherBuilder builder(PublisherConfig config) {
+        if (config.isSecured()) {
+            return authenticatedBuilder(config);
+        } else {
+            return unAuthenticatedBuilder(config);
+        }
+    }
+
+    private static PublisherBuilder authenticatedBuilder(PublisherConfig config) {
+        return unAuthenticatedBuilder(config)
+                .usingHttps()
+                .authenticatedByHttp(config.userName().get(), config.password().get());
+    }
+
+    private static PublisherBuilder unAuthenticatedBuilder(PublisherConfig config) {
+        return new CambriaClientBuilders.PublisherBuilder()
+                .usingHosts(config.destinations().mkString(","))
+                .onTopic(config.topic())
+                .logSendFailuresAfter(5);
+    }
+}