DMAAP Listener for ORAN A1 Adapter Policy Mgmt

Support DMAAP listener for A1 Adapter related DMAAP
messages for policy management. Also included are JUNIT
test files. DMAAP topic is A1-P.

Issue-ID: CCSDK-1964
Signed-off-by: SandeepLinux <Sandeep.Shah@ibm.com>
Change-Id: Ied78e8c14538136fede0f420804232770bcbdf3b

1 files changed, 92 insertions, 0 deletions

diff --git a/dmaap-listener/src/main/java/org/onap/ccsdk/sli/northbound/dmaapclient/A1AdapterPolicyDmaapConsumer.java b/dmaap-listener/src/main/java/org/onap/ccsdk/sli/northbound/dmaapclient/A1AdapterPolicyDmaapConsumer.java
new file mode 100644
index 00000000..778a77b8
--- /dev/null
+++ b/dmaap-listener/src/main/java/org/onap/ccsdk/sli/northbound/dmaapclient/A1AdapterPolicyDmaapConsumer.java
@@ -0,0 +1,92 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : SDN-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 			reserved.
+ * Modifications Copyright © 2019 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.northbound.dmaapclient;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class A1AdapterPolicyDmaapConsumer extends SdncDmaapConsumerImpl {
+
+    private static final Logger LOG = LoggerFactory.getLogger(A1AdapterPolicyDmaapConsumer.class);
+
+    private static final String BODY = "body";
+    private static final String RPC = "rpc-name";
+
+    @Override
+    public void processMsg(String msg) throws InvalidMessageException {
+
+        if (msg == null) {
+            throw new InvalidMessageException("Null A1-ADAPTER-DMAAP message");
+        }
+
+        ObjectMapper oMapper = new ObjectMapper();
+        JsonNode a1AdapterRootNode;
+        try {
+            a1AdapterRootNode = oMapper.readTree(msg);
+        } catch (Exception e) {
+            throw new InvalidMessageException("Cannot parse A1-ADAPTER-DMAAP json input", e);
+        }
+
+        JsonNode bodyNode = a1AdapterRootNode.get(BODY);
+        if(bodyNode == null) {
+            LOG.warn("Missing body in A1-ADAPTER-DMAAP message");
+            return;
+        }
+        String rpcMsgbody;
+        try {
+            	ObjectMapper mapper = new ObjectMapper();
+                rpcMsgbody = mapper.writeValueAsString(bodyNode);
+
+        } catch (Exception e) {
+            LOG.error("Unable to parse body in A1-ADAPTER-DMAAP message", e);
+            return;
+        }
+
+        JsonNode rpcNode = a1AdapterRootNode.get(RPC);
+        if(rpcNode == null) {
+            LOG.warn("Missing node in A1-ADAPTER-DMAAP message- " + RPC);
+            return;
+        }
+        String rpc = rpcNode.textValue();
+        String sdncEndpoint = "A1-ADAPTER-API:" + rpc;
+
+        try {
+            String odlUrlBase = getProperty("sdnc.odl.url-base");
+            String odlUser = getProperty("sdnc.odl.user");
+            String odlPassword = getProperty("sdnc.odl.password");
+            LOG.info("POST A1-ADAPTER-API Request " + rpcMsgbody);
+            if ((odlUrlBase != null) && (odlUrlBase.length() > 0)) {
+                SdncOdlConnection conn = SdncOdlConnection.newInstance(odlUrlBase + "/" + sdncEndpoint, odlUser, odlPassword);
+
+                conn.send("POST", "application/json", rpcMsgbody);
+            } else {
+                LOG.warn("Unable to POST A1-ADAPTER-API message. SDNC URL not available. body:\n" + rpcMsgbody);
+            }
+        } catch (Exception e) {
+            LOG.error("Unable to process message", e);
+        }
+    }
+}