Fixed sonar issues in policy-common

Reduced technical debt by fixing sonar issues

Issue-ID: POLICY-4536
Change-Id: I9f8366ea49ab4e5541d64db2fe1f6e8f138ce763
Signed-off-by: Suresh Charan <suresh.charan@bell.ca>

3 files changed, 29 insertions, 35 deletions

diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/internal/BusConsumer.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/internal/BusConsumer.java
index ee41150f..8542d572 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/internal/BusConsumer.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/internal/BusConsumer.java
@@ -4,7 +4,7 @@
  * ================================================================================
  * Copyright (C) 2017-2021 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2018 Samsung Electronics Co., Ltd.
- * Modifications Copyright (C) 2020 Bell Canada. All rights reserved.
+ * Modifications Copyright (C) 2020,2023 Bell Canada. All rights reserved.
  * Copyright (C) 2022 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -299,8 +299,8 @@ public interface BusConsumer {
             try {
                 for (TopicPartition partition : records.partitions()) {
                     List<ConsumerRecord<String, String>> partitionRecords = records.records(partition);
-                    for (ConsumerRecord<String, String> record : partitionRecords) {
-                        messages.add(record.value());
+                    for (ConsumerRecord<String, String> partitionRecord : partitionRecords) {
+                        messages.add(partitionRecord.value());
                     }
                     long lastOffset = partitionRecords.get(partitionRecords.size() - 1).offset();
                     consumer.commitSync(Collections.singletonMap(partition, new OffsetAndMetadata(lastOffset + 1)));
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/internal/BusPublisher.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/internal/BusPublisher.java
index 6c6a9183..92f7bc6f 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/internal/BusPublisher.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/event/comm/bus/internal/BusPublisher.java
@@ -4,7 +4,7 @@
  * ================================================================================
  * Copyright (C) 2017-2021 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2018 Samsung Electronics Co., Ltd.
- * Modifications Copyright (C) 2020 Bell Canada. All rights reserved.
+ * Modifications Copyright (C) 2020,2023 Bell Canada. All rights reserved.
  * Modifications Copyright (C) 2022-2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -49,6 +49,8 @@ import org.slf4j.LoggerFactory;
 
 public interface BusPublisher {
 
+    public static final String NO_MESSAGE_PROVIDED = "No message provided";
+
     /**
      * sends a message.
      *
@@ -99,7 +101,6 @@ public interface BusPublisher {
                 }
             }
 
-
             if (busTopicParams.isApiKeyValid() && busTopicParams.isApiSecretValid()) {
                 builder.authenticatedBy(busTopicParams.getApiKey(), busTopicParams.getApiSecret());
             }
@@ -118,7 +119,7 @@ public interface BusPublisher {
         @Override
         public boolean send(String partitionId, String message) {
             if (message == null) {
-                throw new IllegalArgumentException("No message provided");
+                throw new IllegalArgumentException(NO_MESSAGE_PROVIDED);
             }
 
             try {
@@ -141,7 +142,6 @@ public interface BusPublisher {
             }
         }
 
-
         @Override
         public String toString() {
             return "CambriaPublisherWrapper []";
@@ -178,7 +178,7 @@ public interface BusPublisher {
 
             this.topic = busTopicParams.getTopic();
 
-            //Setup Properties for consumer
+            // Setup Properties for consumer
             kafkaProps = new Properties();
             kafkaProps.setProperty(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, busTopicParams.getServers().get(0));
             if (busTopicParams.isAdditionalPropsValid()) {
@@ -199,15 +199,15 @@ public interface BusPublisher {
         @Override
         public boolean send(String partitionId, String message) {
             if (message == null) {
-                throw new IllegalArgumentException("No message provided");
+                throw new IllegalArgumentException(NO_MESSAGE_PROVIDED);
             }
 
             try {
-                //Create the record
-                ProducerRecord<String, String> record = new ProducerRecord<String, String>(topic,
-                    UUID.randomUUID().toString(), message);
+                // Create the record
+                ProducerRecord<String, String> producerRecord =
+                        new ProducerRecord<>(topic, UUID.randomUUID().toString(), message);
 
-                this.producer.send(record);
+                this.producer.send(producerRecord);
                 producer.flush();
             } catch (Exception e) {
                 logger.warn("{}: SEND of {} cannot be performed because of {}", this, message, e.getMessage(), e);
@@ -227,7 +227,6 @@ public interface BusPublisher {
             }
         }
 
-
         @Override
         public String toString() {
             return "KafkaPublisherWrapper []";
@@ -259,12 +258,10 @@ public interface BusPublisher {
         protected DmaapPublisherWrapper(ProtocolTypeConstants protocol, List<String> servers, String topic,
                 String username, String password, boolean useHttps) {
 
-
             if (StringUtils.isBlank(topic)) {
                 throw new IllegalArgumentException("No topic for DMaaP");
             }
 
-
             configureProtocol(topic, protocol, servers, useHttps);
 
             this.publisher.logTo(LoggerFactory.getLogger(MRSimplerBatchPublisher.class.getName()));
@@ -291,7 +288,7 @@ public interface BusPublisher {
         }
 
         private void configureProtocol(String topic, ProtocolTypeConstants protocol, List<String> servers,
-                        boolean useHttps) {
+                boolean useHttps) {
 
             if (protocol == ProtocolTypeConstants.AAF_AUTH) {
                 if (servers == null || servers.isEmpty()) {
@@ -304,7 +301,6 @@ public interface BusPublisher {
                     dmaapServers.add(server + port);
                 }
 
-
                 this.publisher = new MRSimplerBatchPublisher.Builder().againstUrls(dmaapServers).onTopic(topic).build();
 
                 this.publisher.setProtocolFlag(ProtocolTypeConstants.AAF_AUTH.getValue());
@@ -341,7 +337,7 @@ public interface BusPublisher {
         @Override
         public boolean send(String partitionId, String message) {
             if (message == null) {
-                throw new IllegalArgumentException("No message provided");
+                throw new IllegalArgumentException(NO_MESSAGE_PROVIDED);
             }
 
             this.publisher.setPubResponse(new MRPublisherResponse());
@@ -391,9 +387,8 @@ public interface BusPublisher {
                     busTopicParams.getUserName(), busTopicParams.getPassword(), busTopicParams.isUseHttps());
 
             String dme2RouteOffer = busTopicParams.isAdditionalPropsValid()
-                            ? busTopicParams.getAdditionalProps().get(
-                                            PolicyEndPointProperties.DME2_ROUTE_OFFER_PROPERTY)
-                            : null;
+                    ? busTopicParams.getAdditionalProps().get(PolicyEndPointProperties.DME2_ROUTE_OFFER_PROPERTY)
+                    : null;
 
             validateParams(busTopicParams, dme2RouteOffer);
 
@@ -454,14 +449,12 @@ public interface BusPublisher {
                         PolicyEndPointProperties.PROPERTY_DMAAP_DME2_LONGITUDE_SUFFIX);
             }
 
-            if ((busTopicParams.isPartnerInvalid())
-                    && StringUtils.isBlank(dme2RouteOffer)) {
-                throw new IllegalArgumentException(
-                        "Must provide at least " + PolicyEndPointProperties.PROPERTY_DMAAP_SOURCE_TOPICS + "."
-                                + busTopicParams.getTopic()
-                                + PolicyEndPointProperties.PROPERTY_DMAAP_DME2_PARTNER_SUFFIX + " or "
-                                + PolicyEndPointProperties.PROPERTY_DMAAP_SINK_TOPICS + "." + busTopicParams.getTopic()
-                                + PolicyEndPointProperties.PROPERTY_DMAAP_DME2_ROUTE_OFFER_SUFFIX + " for DME2");
+            if ((busTopicParams.isPartnerInvalid()) && StringUtils.isBlank(dme2RouteOffer)) {
+                throw new IllegalArgumentException("Must provide at least "
+                        + PolicyEndPointProperties.PROPERTY_DMAAP_SOURCE_TOPICS + "." + busTopicParams.getTopic()
+                        + PolicyEndPointProperties.PROPERTY_DMAAP_DME2_PARTNER_SUFFIX + " or "
+                        + PolicyEndPointProperties.PROPERTY_DMAAP_SINK_TOPICS + "." + busTopicParams.getTopic()
+                        + PolicyEndPointProperties.PROPERTY_DMAAP_DME2_ROUTE_OFFER_SUFFIX + " for DME2");
             }
         }
 
diff --git a/spring-utils/src/main/java/org/onap/policy/common/spring/utils/YamlHttpMessageConverter.java b/spring-utils/src/main/java/org/onap/policy/common/spring/utils/YamlHttpMessageConverter.java
index d7dc96a9..5fa02608 100644
--- a/spring-utils/src/main/java/org/onap/policy/common/spring/utils/YamlHttpMessageConverter.java
+++ b/spring-utils/src/main/java/org/onap/policy/common/spring/utils/YamlHttpMessageConverter.java
@@ -1,6 +1,6 @@
 /*-
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2022 Bell Canada. All rights reserved.
+ *  Copyright (C) 2022-2023 Bell Canada. 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.
@@ -73,14 +73,14 @@ public class YamlHttpMessageConverter extends AbstractGenericHttpMessageConverte
     protected final void writeInternal(Object object, @Nullable Type type, HttpOutputMessage outputMessage)
         throws IOException {
         try (var writer = getWriter(outputMessage)) {
-            writeInternal(object, type, writer);
+            writeInternal(object, writer);
             writer.flush();
         } catch (Exception ex) {
             throw new HttpMessageNotWritableException("Could not write YAML: " + ex.getMessage(), ex);
         }
     }
 
-    private void writeInternal(Object object, @Nullable Type type, Writer writer) {
+    private void writeInternal(Object object, Writer writer) {
         TRANSLATOR.toYaml(writer, object);
     }
 
@@ -101,7 +101,8 @@ public class YamlHttpMessageConverter extends AbstractGenericHttpMessageConverte
     }
 
     private static Charset getCharset(HttpHeaders headers) {
-        Charset charset = (headers.getContentType() == null ? null : headers.getContentType().getCharset());
+        MediaType contentType = headers.getContentType();
+        Charset charset = (contentType == null ? null : contentType.getCharset());
         return (charset != null ? charset : DEFAULT_CHARSET);
     }
-}
\ No newline at end of file
+}