Fix code smells based on SonarCloud report

Bundles mountpoint-registrar and mountpoint-state-provider and also a Junit test case of aapter-manager devicemanager

Issue-ID: CCSDK-2671
Signed-off-by: Ravi Pendurty <ravi.pendurty@highstreet-technologies.com>
Change-Id: I84324e6433415bdc001d735e17930c2eb63bb439
Signed-off-by: Ravi Pendurty <ravi.pendurty@highstreet-technologies.com>

7 files changed, 92 insertions, 49 deletions

diff --git a/sdnr/wt/mountpoint-state-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/impl/Constants.java b/sdnr/wt/mountpoint-state-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/impl/Constants.java
new file mode 100644
index 000000000..12dd160de
--- /dev/null
+++ b/sdnr/wt/mountpoint-state-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/impl/Constants.java
@@ -0,0 +1,35 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH 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.ccsdk.features.sdnr.wt.mountpointstateprovider.impl;
+
+public class Constants {
+
+    public static final String NODEID = "NodeId";
+    public static final String NETCONFNODESTATE = "NetConfNodeState";
+    public static final String TIMESTAMP = "TimeStamp";
+
+    public static final String VES_DOMAIN = "notification";
+    public static final String VES_PRIORITY = "Normal";
+    public static final String VES_CHANGETYPE = "ConnectionState";
+
+
+}
diff --git a/sdnr/wt/mountpoint-state-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/impl/MountpointNodeConnectListenerImpl.java b/sdnr/wt/mountpoint-state-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/impl/MountpointNodeConnectListenerImpl.java
index 5cdf5abc6..466d4f4ef 100644
--- a/sdnr/wt/mountpoint-state-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/impl/MountpointNodeConnectListenerImpl.java
+++ b/sdnr/wt/mountpoint-state-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/impl/MountpointNodeConnectListenerImpl.java
@@ -51,13 +51,13 @@ public class MountpointNodeConnectListenerImpl implements NetconfNodeConnectList
         NodeId nNodeId = accessor.getNodeId();
         NetconfNode netconfNode = accessor.getNetconfNode();
 
-        LOG.debug("In onEnterConnected of MountpointNodeConnectListenerImpl - nNodeId = " + nNodeId.getValue()
-                + " IP Address = " + netconfNode.getHost().getIpAddress().getIpv4Address().getValue());
+        LOG.debug("In onEnterConnected of MountpointNodeConnectListenerImpl - nNodeId = {}, IP Address = {}",nNodeId.getValue()
+                ,netconfNode.getHost().getIpAddress().getIpv4Address().getValue());
 
         JSONObject obj = new JSONObject();
-        obj.put("NodeId", nNodeId.getValue());
-        obj.put("NetConfNodeState", netconfNode.getConnectionStatus().toString());
-        obj.put("TimeStamp", java.time.Clock.systemUTC().instant());
+        obj.put(Constants.NODEID, nNodeId.getValue());
+        obj.put(Constants.NETCONFNODESTATE, netconfNode.getConnectionStatus().toString());
+        obj.put(Constants.TIMESTAMP, java.time.Clock.systemUTC().instant());
 
         mountpointStatePublisher.addToPublish(obj);
     }
@@ -65,12 +65,12 @@ public class MountpointNodeConnectListenerImpl implements NetconfNodeConnectList
     @Override
     public void onLeaveConnected(NodeId nNodeId, Optional<NetconfNode> optionalNetconfNode) {
 
-        LOG.debug("In onLeaveConnected of MountpointNodeConnectListenerImpl - nNodeId = " + nNodeId);
+        LOG.debug("In onLeaveConnected of MountpointNodeConnectListenerImpl - nNodeId = {}",nNodeId);
 
         JSONObject obj = new JSONObject();
-        obj.put("NodeId", nNodeId.getValue());
-        obj.put("NetConfNodeState", "Unmounted");
-        obj.put("TimeStamp", java.time.Clock.systemUTC().instant());
+        obj.put(Constants.NODEID, nNodeId.getValue());
+        obj.put(Constants.NETCONFNODESTATE, "Unmounted");
+        obj.put(Constants.TIMESTAMP, java.time.Clock.systemUTC().instant());
 
         mountpointStatePublisher.addToPublish(obj);
     }
diff --git a/sdnr/wt/mountpoint-state-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/impl/MountpointNodeStateListenerImpl.java b/sdnr/wt/mountpoint-state-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/impl/MountpointNodeStateListenerImpl.java
index d8b5a85de..46b17eb15 100644
--- a/sdnr/wt/mountpoint-state-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/impl/MountpointNodeStateListenerImpl.java
+++ b/sdnr/wt/mountpoint-state-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/impl/MountpointNodeStateListenerImpl.java
@@ -46,12 +46,12 @@ public class MountpointNodeStateListenerImpl implements NetconfNodeStateListener
     @Override
     public void onCreated(NodeId nNodeId, NetconfNode netconfNode) {
 
-        LOG.info("In onCreated of MountpointNodeStateListenerImpl - nNodeId = " + nNodeId.getValue() + " IP Address = "
-                + netconfNode.getHost().getIpAddress().getIpv4Address().toString());
+        LOG.info("In onCreated of MountpointNodeStateListenerImpl - nNodeId = {}, IP Address = {}",nNodeId.getValue(),
+                netconfNode.getHost().getIpAddress().getIpv4Address().toString());
         JSONObject obj = new JSONObject();
-        obj.put("NodeId", nNodeId.getValue());
-        obj.put("NetConfNodeState", netconfNode.getConnectionStatus().toString());
-        obj.put("TimeStamp", java.time.Clock.systemUTC().instant());
+        obj.put(Constants.NODEID, nNodeId.getValue());
+        obj.put(Constants.NETCONFNODESTATE, netconfNode.getConnectionStatus().toString());
+        obj.put(Constants.TIMESTAMP, java.time.Clock.systemUTC().instant());
 
         mountpointStatePublisher.addToPublish(obj);
     }
@@ -59,12 +59,12 @@ public class MountpointNodeStateListenerImpl implements NetconfNodeStateListener
     @Override
     public void onStateChange(NodeId nNodeId, NetconfNode netconfNode) {
 
-        LOG.info("In onStateChange of MountpointNodeStateListenerImpl - nNodeId = " + nNodeId.getValue()
-                + " IP Address = " + netconfNode.getHost().getIpAddress().getIpv4Address().getValue());
+        LOG.info("In onStateChange of MountpointNodeStateListenerImpl - nNodeId = {}, IP Address = {}",nNodeId.getValue(),
+                netconfNode.getHost().getIpAddress().getIpv4Address().getValue());
         JSONObject obj = new JSONObject();
-        obj.put("NodeId", nNodeId.getValue());
-        obj.put("NetConfNodeState", netconfNode.getConnectionStatus().toString());
-        obj.put("TimeStamp", java.time.Clock.systemUTC().instant());
+        obj.put(Constants.NODEID, nNodeId.getValue());
+        obj.put(Constants.NETCONFNODESTATE, netconfNode.getConnectionStatus().toString());
+        obj.put(Constants.TIMESTAMP, java.time.Clock.systemUTC().instant());
 
         mountpointStatePublisher.addToPublish(obj);
     }
@@ -72,11 +72,11 @@ public class MountpointNodeStateListenerImpl implements NetconfNodeStateListener
     @Override
     public void onRemoved(NodeId nNodeId) {
 
-        LOG.info("In onRemoved of MountpointNodeStateListenerImpl - nNodeId = " + nNodeId);
+        LOG.info("In onRemoved of MountpointNodeStateListenerImpl - nNodeId = {}",nNodeId);
         JSONObject obj = new JSONObject();
-        obj.put("NodeId", nNodeId.getValue());
-        obj.put("NetConfNodeState", "Removed");
-        obj.put("TimeStamp", java.time.Clock.systemUTC().instant());
+        obj.put(Constants.NODEID, nNodeId.getValue());
+        obj.put(Constants.NETCONFNODESTATE, "Removed");
+        obj.put(Constants.TIMESTAMP, java.time.Clock.systemUTC().instant());
 
         mountpointStatePublisher.addToPublish(obj);
     }
diff --git a/sdnr/wt/mountpoint-state-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/impl/MountpointStatePublisher.java b/sdnr/wt/mountpoint-state-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/impl/MountpointStatePublisher.java
index 9df37e305..e05b3f1ba 100644
--- a/sdnr/wt/mountpoint-state-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/impl/MountpointStatePublisher.java
+++ b/sdnr/wt/mountpoint-state-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/impl/MountpointStatePublisher.java
@@ -35,7 +35,7 @@ import org.slf4j.LoggerFactory;
 public class MountpointStatePublisher implements Runnable {
 
     private static final Logger LOG = LoggerFactory.getLogger(MountpointStatePublisher.class);
-    private List<JSONObject> stateObjects = new LinkedList<JSONObject>();
+    private List<JSONObject> stateObjects = new LinkedList<>();
     private boolean publish = true;
     private int publishPause = 5000; // Default pause between fetch - 5 seconds
     private VESCollectorService vesCollectorService;
@@ -68,15 +68,14 @@ public class MountpointStatePublisher implements Runnable {
 
     public String createVESMessage(JSONObject msg, VESCollectorCfgService vesCfg) {
         MountpointStateVESMessageFormatter vesFormatter = new MountpointStateVESMessageFormatter(vesCfg);
-        String vesMsg = vesFormatter.createVESMessage(msg);
-        return vesMsg;
+        return vesFormatter.createVESMessage(msg);
     }
 
     @Override
     public void run() {
         while (publish) {
             try {
-                if (getStateObjects().size() > 0) {
+                if (!getStateObjects().isEmpty()) {
                     JSONObject obj = ((LinkedList<JSONObject>) getStateObjects()).removeFirst();
                     String vesMsg = createVESMessage(obj, vesCollectorService.getConfig());
                     this.vesCollectorService.publishVESMessage(vesMsg);
diff --git a/sdnr/wt/mountpoint-state-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/impl/MountpointStateVESMessageFormatter.java b/sdnr/wt/mountpoint-state-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/impl/MountpointStateVESMessageFormatter.java
index 918438e55..4ab1a9a85 100644
--- a/sdnr/wt/mountpoint-state-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/impl/MountpointStateVESMessageFormatter.java
+++ b/sdnr/wt/mountpoint-state-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/impl/MountpointStateVESMessageFormatter.java
@@ -31,9 +31,6 @@ import org.slf4j.LoggerFactory;
 
 public class MountpointStateVESMessageFormatter {
     private static final Logger LOG = LoggerFactory.getLogger(MountpointStateVESMessageFormatter.class);
-    private static final String VES_DOMAIN = "notification";
-    private static final String VES_PRIORITY = "Normal";
-    private static final String VES_CHANGETYPE = "ConnectionState";
 
     private VESCollectorCfgService vesCfg;
     static long sequenceNo = 0;
@@ -42,10 +39,20 @@ public class MountpointStateVESMessageFormatter {
         this.vesCfg = vesCfg;
     }
 
+    private static void incrSequenceNo() {
+        sequenceNo++;
+    }
+
+    private long getSequenceNo() {
+        return sequenceNo;
+    }
+
     public String createVESMessage(JSONObject obj) {
-        LOG.debug("JSON Object to format to VES is - {}", obj.toString());
+        if (LOG.isDebugEnabled()) {
+            LOG.debug("JSON Object to format to VES is - {0}", obj);
+        }
         String vesMsg = "{}";
-        sequenceNo++;
+        MountpointStateVESMessageFormatter.incrSequenceNo();
 
         VESCommonEventHeaderPOJO vesCommonEventHeader = createVESCommonEventHeader(obj);
         VESNotificationFieldsPOJO vesNotificationFields = createVESNotificationFields(obj);
@@ -59,7 +66,7 @@ public class MountpointStateVESMessageFormatter {
             vesMsg = objMapper.writeValueAsString(vesEvent);
             LOG.debug("VES message to be published - {}", vesMsg);
         } catch (JsonProcessingException e) {
-            e.printStackTrace();
+            LOG.warn("Exception {} while processing JSON Message - {}", e, obj);
         }
 
         return vesMsg;
@@ -69,9 +76,9 @@ public class MountpointStateVESMessageFormatter {
     private VESNotificationFieldsPOJO createVESNotificationFields(JSONObject obj) {
         VESNotificationFieldsPOJO vesNotificationFields = new VESNotificationFieldsPOJO();
 
-        vesNotificationFields.setChangeIdentifier(obj.getString("NodeId"));
-        vesNotificationFields.setChangeType(VES_CHANGETYPE);
-        vesNotificationFields.setNewState(obj.getString("NetConfNodeState"));
+        vesNotificationFields.setChangeIdentifier(obj.getString(Constants.NODEID));
+        vesNotificationFields.setChangeType(Constants.VES_CHANGETYPE);
+        vesNotificationFields.setNewState(obj.getString(Constants.NETCONFNODESTATE));
 
         return vesNotificationFields;
     }
@@ -79,17 +86,17 @@ public class MountpointStateVESMessageFormatter {
     private VESCommonEventHeaderPOJO createVESCommonEventHeader(JSONObject obj) {
         VESCommonEventHeaderPOJO vesCommonEventHeader = new VESCommonEventHeaderPOJO();
 
-        vesCommonEventHeader.setDomain(VES_DOMAIN);
+        vesCommonEventHeader.setDomain(Constants.VES_DOMAIN);
         vesCommonEventHeader
-                .setEventId(obj.getString("NodeId") + "_" + obj.getString("NetConfNodeState") + "_" + sequenceNo);
+                .setEventId(obj.getString(Constants.NODEID) + "_" + obj.getString(Constants.NETCONFNODESTATE) + "_" + getSequenceNo());
         vesCommonEventHeader
-                .setEventName(obj.getString("NodeId") + "_" + obj.getString("NetConfNodeState") + "_" + sequenceNo);
-        vesCommonEventHeader.setSourceName(obj.getString("NodeId"));
-        vesCommonEventHeader.setPriority(VES_PRIORITY);
+                .setEventName(obj.getString(Constants.NODEID) + "_" + obj.getString(Constants.NETCONFNODESTATE) + "_" + getSequenceNo());
+        vesCommonEventHeader.setSourceName(obj.getString(Constants.NODEID));
+        vesCommonEventHeader.setPriority(Constants.VES_PRIORITY);
         vesCommonEventHeader.setReportingEntityName(this.vesCfg.getReportingEntityName());
-        vesCommonEventHeader.setSequence(sequenceNo);
+        vesCommonEventHeader.setSequence(getSequenceNo());
 
-        Instant time = (Instant) obj.get("TimeStamp");
+        Instant time = (Instant) obj.get(Constants.TIMESTAMP);
         vesCommonEventHeader.setLastEpochMicrosec(time.toEpochMilli() * 100);
         vesCommonEventHeader.setStartEpochMicrosec(time.toEpochMilli() * 100);
 
diff --git a/sdnr/wt/mountpoint-state-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/impl/VESEvent.java b/sdnr/wt/mountpoint-state-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/impl/VESEvent.java
index 13017d46c..7989166f6 100644
--- a/sdnr/wt/mountpoint-state-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/impl/VESEvent.java
+++ b/sdnr/wt/mountpoint-state-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/impl/VESEvent.java
@@ -21,7 +21,7 @@ import java.util.HashMap;
 import java.util.Map;
 
 public class VESEvent {
-    public Map<String, Object> event = new HashMap<String, Object>();
+    private Map<String, Object> event = new HashMap<>();
 
     public void addEventObjects(Object eventObject) {
         if (eventObject instanceof VESCommonEventHeaderPOJO)
diff --git a/sdnr/wt/mountpoint-state-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/impl/VESNotificationFieldsPOJO.java b/sdnr/wt/mountpoint-state-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/impl/VESNotificationFieldsPOJO.java
index 1963cd6ca..1d2c2dcb5 100644
--- a/sdnr/wt/mountpoint-state-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/impl/VESNotificationFieldsPOJO.java
+++ b/sdnr/wt/mountpoint-state-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/impl/VESNotificationFieldsPOJO.java
@@ -21,15 +21,17 @@ import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
 
 @JsonPropertyOrder({"arrayOfNamedHashMap", "changeContact", "changeIdentifier", "changeType", "newState", "oldState", "notificationFieldsVersion"})
 public class VESNotificationFieldsPOJO {
 
-    private ArrayList<HashMap<String, Object>> arrayOfNamedHashMap = new ArrayList<HashMap<String, Object>>();
+    private List<HashMap<String, Object>> arrayOfNamedHashMap = new ArrayList<>();
     @JsonIgnore
-    private HashMap<String, Object> namedHashMap = new HashMap<String, Object>();
+    private Map<String, Object> namedHashMap = new HashMap<>();
     @JsonIgnore
-    private HashMap<String, String> hashMap = new HashMap<String, String>();
+    private Map<String, String> hashMap = new HashMap<>();
     @JsonIgnore
     private String changeContact = "";
     private String changeIdentifier = "";
@@ -42,11 +44,11 @@ public class VESNotificationFieldsPOJO {
     private String stateInterface = "";
     private String notificationFieldsVersion = "2.0";
 
-    public ArrayList<HashMap<String, Object>> getArrayOfNamedHashMap() {
+    public List<HashMap<String, Object>> getArrayOfNamedHashMap() {
         return arrayOfNamedHashMap;
     }
 
-    public void setArrayOfNamedHashMap(ArrayList<HashMap<String, Object>> arrayOfNamedHashMap) {
+    public void setArrayOfNamedHashMap(List<HashMap<String, Object>> arrayOfNamedHashMap) {
         this.arrayOfNamedHashMap = arrayOfNamedHashMap;
     }