Fix Sonar Issues policy/engine POLICY-SDK-APP module

[policy/engine.git] / POLICY-SDK-APP / src / main / java / org / onap / policy / admin / PolicyNotificationMail.java

diff --git a/POLICY-SDK-APP/src/main/java/org/onap/policy/admin/PolicyNotificationMail.java b/POLICY-SDK-APP/src/main/java/org/onap/policy/admin/PolicyNotificationMail.java
index a1bb733..1fccfda 100644 (file)
--- a/POLICY-SDK-APP/src/main/java/org/onap/policy/admin/PolicyNotificationMail.java
+++ b/POLICY-SDK-APP/src/main/java/org/onap/policy/admin/PolicyNotificationMail.java
@@ -4,6 +4,7 @@
  * ================================================================================
  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
  * Modified Copyright (C) 2018 Samsung Electronics Co., Ltd.
+ * Modifications Copyright (C) 2019 Bell Canada
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -24,11 +25,11 @@ package org.onap.policy.admin;
 import java.io.File;
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
+import java.util.ArrayList;
 import java.util.Date;
 import java.util.List;
 import java.util.Properties;
 
-import javax.mail.MessagingException;
 import javax.mail.internet.InternetAddress;
 import javax.mail.internet.MimeMessage;
 import javax.script.SimpleBindings;
@@ -82,9 +83,8 @@ public class PolicyNotificationMail{
      * @param policyName Name of the policy for which notification is to be sent
      * @param mode kind of operation done on the policy
      * @param policyNotificationDao database access object for policy
-     * @throws MessagingException
      */
-    public void sendMail(PolicyVersion entityItem, String policyName, String mode, CommonClassDao policyNotificationDao) throws MessagingException {
+    public void sendMail(PolicyVersion entityItem, String policyName, String mode, CommonClassDao policyNotificationDao) {
 
         String subject = "";
         String message = "";
@@ -130,26 +130,25 @@ public class PolicyNotificationMail{
         String policyFileName = findPolicyFileName(entityItem);
         String query = "from WatchPolicyNotificationTable where policyName like:policyFileName";
         List<Object> watchList = findWatchList(policyNotificationDao, policyFileName, query);
-        if (watchList == null) {
-            return;
+        if (!watchList.isEmpty()) {
+            composeAndSendMail(mode, policyNotificationDao, subject, message, checkPolicyName, watchList);
         }
-
-        composeAndSendMail(mode, policyNotificationDao, subject, message, checkPolicyName, watchList);
     }
 
     private List<Object> findWatchList(CommonClassDao policyNotificationDao, String policyFileName, String query) {
         SimpleBindings params = new SimpleBindings();
         params.put("policyFileName", policyFileName);
         List<Object> watchList;
-        if(PolicyController.isjUnit()){
+        if (PolicyController.isjUnit()) {
             watchList = policyNotificationDao.getDataByQuery(query, null);
-        }else{
+        } else {
             watchList = policyNotificationDao.getDataByQuery(query, params);
         }
 
-        if(watchList == null || watchList.isEmpty()) {
-            policyLogger.debug("List of policy being watched is either null or empty, hence return without sending mail");
-            return null;
+        if (watchList == null || watchList.isEmpty()) {
+            policyLogger
+                .debug("List of policy being watched is either null or empty, hence return without sending mail");
+            watchList = new ArrayList<>();
         }
         return watchList;
     }