1 files changed, 122 insertions, 0 deletions
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/internal/impl/CambriaPublisherWrapper.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/internal/impl/CambriaPublisherWrapper.java
new file mode 100644
index 00000000..ab5868ab
--- /dev/null
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/internal/impl/CambriaPublisherWrapper.java
@@ -0,0 +1,122 @@
+/*
+ * ============LICENSE_START=======================================================
+ * policy-endpoints
+ * ================================================================================
+ * Copyright (C) 2017-2018 AT&T Intellectual Property. 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.policy.common.endpoints.event.comm.bus.internal.impl;
+
+import com.att.nsa.cambria.client.CambriaBatchingPublisher;
+import com.att.nsa.cambria.client.CambriaClientBuilders;
+import com.att.nsa.cambria.client.CambriaClientBuilders.PublisherBuilder;
+import com.fasterxml.jackson.annotation.JsonIgnore;
+
+import java.net.MalformedURLException;
+import java.security.GeneralSecurityException;
+import java.util.List;
+
+import org.onap.policy.common.endpoints.event.comm.bus.internal.BusPublisher;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Cambria based library publisher
+ */
+public class CambriaPublisherWrapper implements BusPublisher {
+
+    private static Logger logger = LoggerFactory.getLogger(CambriaPublisherWrapper.class);
+
+    /**
+     * The actual Cambria publisher
+     */
+    @JsonIgnore
+    protected volatile CambriaBatchingPublisher publisher;
+
+    public CambriaPublisherWrapper(List<String> servers, String topic, String apiKey, String apiSecret,
+            boolean useHttps) {
+        this(servers, topic, apiKey, apiSecret, null, null, useHttps);
+    }
+
+    public CambriaPublisherWrapper(List<String> servers, String topic, String apiKey, String apiSecret, String username,
+            String password, boolean useHttps) {
+
+        PublisherBuilder builder = new CambriaClientBuilders.PublisherBuilder();
+
+        builder.usingHosts(servers).onTopic(topic);
+
+        // Set read timeout to 30 seconds (TBD: this should be configurable)
+        builder.withSocketTimeout(30000);
+
+        if (useHttps) {
+            builder.usingHttps();
+        }
+
+
+        if (apiKey != null && !apiKey.isEmpty() && apiSecret != null && !apiSecret.isEmpty()) {
+            builder.authenticatedBy(apiKey, apiSecret);
+        }
+
+        if (username != null && !username.isEmpty() && password != null && !password.isEmpty()) {
+            builder.authenticatedByHttp(username, password);
+        }
+
+        try {
+            this.publisher = builder.build();
+        } catch (MalformedURLException | GeneralSecurityException e) {
+            throw new IllegalArgumentException(e);
+        }
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public boolean send(String partitionId, String message) {
+        if (message == null) {
+            throw new IllegalArgumentException("No message provided");
+        }
+
+        try {
+            this.publisher.send(partitionId, message);
+        } catch (Exception e) {
+            logger.warn("{}: SEND of {} cannot be performed because of {}", this, message, e.getMessage(), e);
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void close() {
+        logger.info("{}: CLOSE", this);
+
+        try {
+            this.publisher.close();
+        } catch (Exception e) {
+            logger.warn("{}: CLOSE FAILED because of {}", this, e.getMessage(), e);
+        }
+    }
+
+
+    @Override
+    public String toString() {
+        return "CambriaPublisherWrapper []";
+    }
+
+}