Clean up CLAMP Sonar and checkstyle issues

This commit cleans up sonar and checkstyle issues identified in the
CLAMP repository.

Issue-ID: POLICY-3206
Change-Id: I16b61bbe771cc17de15183a24b2a5e82a8d35872
Signed-off-by: liamfallon <liam.fallon@est.tech>

4 files changed, 28 insertions, 16 deletions

diff --git a/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/PolicyParticipantApplication.java b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/PolicyParticipantApplication.java
index bdc09c8b9..4869b7c2f 100644
--- a/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/PolicyParticipantApplication.java
+++ b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/PolicyParticipantApplication.java
@@ -30,8 +30,9 @@ import org.springframework.context.annotation.ComponentScan;
  *
  */
 @SpringBootApplication
-@ComponentScan({"org.onap.policy.clamp.controlloop.participant.policy",
-        "org.onap.policy.clamp.controlloop.participant.intermediary"})
+@ComponentScan({
+    "org.onap.policy.clamp.controlloop.participant.policy",
+    "org.onap.policy.clamp.controlloop.participant.intermediary"})
 @ConfigurationPropertiesScan("org.onap.policy.clamp.controlloop.participant.policy.main.parameters")
 public class PolicyParticipantApplication {
 
diff --git a/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/client/AbstractHttpClient.java b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/client/AbstractHttpClient.java
index 4b6686156..2579585e5 100644
--- a/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/client/AbstractHttpClient.java
+++ b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/client/AbstractHttpClient.java
@@ -41,25 +41,26 @@ public abstract class AbstractHttpClient implements Closeable {
     private static final Logger LOGGER = LoggerFactory.getLogger(AbstractHttpClient.class);
     private final HttpClient httpclient;
 
-
     /**
      * Constructor.
+     *
+     * @param policyParticipantParameters the parameters for the policy participant
+     * @throws ControlLoopRuntimeException on client start errors
      */
-    protected AbstractHttpClient(BusTopicParams policyApiParameters) {
+    protected AbstractHttpClient(BusTopicParams policyParticipantParameters) {
         try {
-            httpclient = HttpClientFactoryInstance.getClientFactory().build(policyApiParameters);
+            httpclient = HttpClientFactoryInstance.getClientFactory().build(policyParticipantParameters);
         } catch (final Exception e) {
             throw new ControlLoopRuntimeException(Status.INTERNAL_SERVER_ERROR, " Client failed to start", e);
         }
     }
 
     protected Response executePost(String path, final Entity<?> entity) {
-        Response response = httpclient.post(path, entity, Map.of(HttpHeaders.ACCEPT,
-                MediaType.APPLICATION_JSON, HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON));
+        var response = httpclient.post(path, entity, Map.of(HttpHeaders.ACCEPT, MediaType.APPLICATION_JSON,
+            HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON));
         if (response.getStatus() / 100 != 2) {
-            LOGGER.error(
-                    "Invocation of path {} failed for entity {}. Response status: {}, Response status info: {}",
-                    path, entity, response.getStatus(), response.getStatusInfo());
+            LOGGER.error("Invocation of path {} failed for entity {}. Response status: {}, Response status info: {}",
+                path, entity, response.getStatus(), response.getStatusInfo());
         }
         return response;
     }
@@ -72,4 +73,4 @@ public abstract class AbstractHttpClient implements Closeable {
     public void close() throws IOException {
         httpclient.shutdown();
     }
-}
\ No newline at end of file
+}
diff --git a/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/client/PolicyApiHttpClient.java b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/client/PolicyApiHttpClient.java
index 3d1047ce4..38a79f7f6 100644
--- a/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/client/PolicyApiHttpClient.java
+++ b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/client/PolicyApiHttpClient.java
@@ -35,6 +35,8 @@ public class PolicyApiHttpClient extends AbstractHttpClient {
 
     /**
      * Constructor.
+     *
+     * @param parameters the policy participant parameters
      */
     public PolicyApiHttpClient(ParticipantPolicyParameters parameters) {
         super(parameters.getPolicyApiParameters());
@@ -45,6 +47,7 @@ public class PolicyApiHttpClient extends AbstractHttpClient {
      *
      * @param toscaServiceTemplate the whole ToscaServiceTemplate
      * @return Response
+     * @throws PfModelException on errors creating the policy type
      */
     public Response createPolicyType(ToscaServiceTemplate toscaServiceTemplate) throws PfModelException {
         return executePost(POLICY_URI + "policytypes", Entity.entity(toscaServiceTemplate, MediaType.APPLICATION_JSON));
diff --git a/participant/participant-impl/participant-impl-policy/src/test/java/org/onap/policy/clamp/controlloop/participant/policy/main/parameters/CommonTestData.java b/participant/participant-impl/participant-impl-policy/src/test/java/org/onap/policy/clamp/controlloop/participant/policy/main/parameters/CommonTestData.java
index e3d7e3aa5..1acc2c838 100644
--- a/participant/participant-impl/participant-impl-policy/src/test/java/org/onap/policy/clamp/controlloop/participant/policy/main/parameters/CommonTestData.java
+++ b/participant/participant-impl/participant-impl-policy/src/test/java/org/onap/policy/clamp/controlloop/participant/policy/main/parameters/CommonTestData.java
@@ -29,6 +29,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.TreeMap;
 import javax.ws.rs.core.Response;
+import javax.ws.rs.core.Response.Status;
 import org.onap.policy.clamp.controlloop.common.exception.ControlLoopRuntimeException;
 import org.onap.policy.common.endpoints.parameters.TopicParameters;
 import org.onap.policy.common.parameters.ParameterGroup;
@@ -51,15 +52,18 @@ public class CommonTestData {
     /**
      * Converts the contents of a map to a parameter class.
      *
+     * @param <T> the type of ParameterGroup to process
      * @param source property map
      * @param clazz class of object to be created from the map
      * @return a new object represented by the map
+     * @throws ControlLoopRuntimeException on decoding errors
      */
     public <T extends ParameterGroup> T toObject(final Map<String, Object> source, final Class<T> clazz) {
         try {
             return coder.convert(source, clazz);
         } catch (final CoderException e) {
-            throw new RuntimeException("cannot create " + clazz.getName() + " from map", e);
+            throw new ControlLoopRuntimeException(Status.NOT_ACCEPTABLE,
+                "cannot create " + clazz.getName() + " from map", e);
         }
     }
 
@@ -163,14 +167,15 @@ public class CommonTestData {
      *
      * @param port port to be inserted into the parameters
      * @return the standard participant parameters
+     * @throws ControlLoopRuntimeException on parameter read errors
      */
     public ParticipantPolicyParameters getParticipantPolicyParameters(int port) {
         try {
             return coder.decode(getParticipantPolicyParametersAsString(port), ParticipantPolicyParameters.class);
 
         } catch (CoderException e) {
-            throw new ControlLoopRuntimeException(Response.Status.NOT_ACCEPTABLE,
-                    "cannot read participant parameters", e);
+            throw new ControlLoopRuntimeException(Response.Status.NOT_ACCEPTABLE, "cannot read participant parameters",
+                e);
         }
     }
 
@@ -179,6 +184,7 @@ public class CommonTestData {
      *
      * @param port port to be inserted into the parameters
      * @return the standard participant parameters
+     * @throws ControlLoopRuntimeException on parameter read errors
      */
     public static String getParticipantPolicyParametersAsString(int port) {
 
@@ -192,8 +198,8 @@ public class CommonTestData {
             return json;
 
         } catch (IOException e) {
-            throw new ControlLoopRuntimeException(Response.Status.NOT_ACCEPTABLE,
-                    "cannot read participant parameters", e);
+            throw new ControlLoopRuntimeException(Response.Status.NOT_ACCEPTABLE, "cannot read participant parameters",
+                e);
 
         }
     }
@@ -211,6 +217,7 @@ public class CommonTestData {
 
     /**
      * Nulls out a field within a JSON string.
+     *
      * @param json JSON string
      * @param field field to be nulled out
      * @return a new JSON string with the field nulled out