Address sonar issues in common

Addressed the following sonar issues:
- missing assertion in junit test case
- disable sonars about setAccessible() as it's required for jackson
  emulation
- sleep in junit
- don't use wild-cards (e.g., "*") with java.util Pattern
  - use re2j instead of java.util Pattern
  - use String methods (e.g., startsWith())
- duplicate method bodies
- duplicate code in Coder classes
- string concatenation in logger calls
- UTF-8 encoding
- return primitive instead of boxed primitive
- add assertion to tests
  - renamed support methods from doTestXxx to verifyXxx
- cognitive complexity
- use AtomicRef instead of volatile
- use specific Functionals (e.g., IntConsumer)
- function always returns the same value
- serializable vs transient

Issue-ID: POLICY-2305
Change-Id: I08eb7aa495a80bdc1d26827ba17a7946c83b9828
Signed-off-by: Jim Hahn <jrh3@att.com>

2 files changed, 8 insertions, 11 deletions

diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/internal/InlineBusTopicSink.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/internal/InlineBusTopicSink.java
index e94bdffa..16669904 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/internal/InlineBusTopicSink.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/internal/InlineBusTopicSink.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * policy-endpoints
  * ================================================================================
- * Copyright (C) 2017-2019 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2020 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2018-2019 Samsung Electronics Co., Ltd.
 * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -84,17 +84,14 @@ public abstract class InlineBusTopicSink extends BusTopicBase implements BusTopi
         logger.info("{}: starting", this);
 
         synchronized (this) {
+            if (!this.alive) {
+                if (locked) {
+                    throw new IllegalStateException(this + " is locked.");
+                }
 
-            if (this.alive) {
-                return true;
-            }
-
-            if (locked) {
-                throw new IllegalStateException(this + " is locked.");
+                this.init();
+                this.alive = true;
             }
-
-            this.init();
-            this.alive = true;
         }
 
         return true;
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/internal/SingleThreadedBusTopicSource.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/internal/SingleThreadedBusTopicSource.java
index 510ddaaa..d0d25a26 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/internal/SingleThreadedBusTopicSource.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/internal/SingleThreadedBusTopicSource.java
@@ -225,7 +225,7 @@ public abstract class SingleThreadedBusTopicSource extends BusTopicBase
             try {
                 fetchAllMessages();
             } catch (IOException | RuntimeException e) {
-                logger.error("{}: cannot fetch because of ", this, e.getMessage(), e);
+                logger.error("{}: cannot fetch", this, e);
             }
         }