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>

2 files changed, 10 insertions, 7 deletions

diff --git a/common/src/main/java/org/onap/policy/clamp/controlloop/common/exception/ControlLoopException.java b/common/src/main/java/org/onap/policy/clamp/controlloop/common/exception/ControlLoopException.java
index 05b913b22..58b5368a9 100644
--- a/common/src/main/java/org/onap/policy/clamp/controlloop/common/exception/ControlLoopException.java
+++ b/common/src/main/java/org/onap/policy/clamp/controlloop/common/exception/ControlLoopException.java
@@ -44,7 +44,7 @@ public class ControlLoopException extends Exception implements ErrorResponseInfo
     /**
      * Instantiates a new control loop exception.
      *
-     * @param statusCode the return code for the exception
+     * @param statusCode the status code for the response as a HTTP status code
      * @param message the message on the exception
      */
     public ControlLoopException(final Response.Status statusCode, final String message) {
diff --git a/common/src/main/java/org/onap/policy/clamp/controlloop/common/startstop/CommonCommandLineArguments.java b/common/src/main/java/org/onap/policy/clamp/controlloop/common/startstop/CommonCommandLineArguments.java
index 3ef3d4cb0..ebc9028f4 100644
--- a/common/src/main/java/org/onap/policy/clamp/controlloop/common/startstop/CommonCommandLineArguments.java
+++ b/common/src/main/java/org/onap/policy/clamp/controlloop/common/startstop/CommonCommandLineArguments.java
@@ -23,7 +23,6 @@ package org.onap.policy.clamp.controlloop.common.startstop;
 import java.io.File;
 import java.io.PrintWriter;
 import java.io.StringWriter;
-import java.net.URL;
 import javax.ws.rs.core.Response;
 import org.apache.commons.cli.HelpFormatter;
 import org.apache.commons.cli.Option;
@@ -42,6 +41,8 @@ public class CommonCommandLineArguments {
 
     /**
      * Construct the options for the policy participant.
+     *
+     * @param options the options for the command line
      */
     public CommonCommandLineArguments(final Options options) {
         //@formatter:off
@@ -73,6 +74,7 @@ public class CommonCommandLineArguments {
     /**
      * Validate the command line options.
      *
+     * @param configurationFilePath the path to the configuration file
      * @throws ControlLoopException on command argument validation errors
      */
     public void validate(final String configurationFilePath) throws ControlLoopException {
@@ -92,12 +94,13 @@ public class CommonCommandLineArguments {
      * Print help information for policy participant.
      *
      * @param mainClassName the main class name
+     * @param options the options for the command
      * @return the help string
      */
     public String help(final String mainClassName, final Options options) {
-        final HelpFormatter helpFormatter = new HelpFormatter();
-        final StringWriter stringWriter = new StringWriter();
-        final PrintWriter printWriter = new PrintWriter(stringWriter);
+        final var helpFormatter = new HelpFormatter();
+        final var stringWriter = new StringWriter();
+        final var printWriter = new PrintWriter(stringWriter);
 
         helpFormatter.printHelp(printWriter, HELP_LINE_LENGTH, mainClassName + " [options...]", "options", options, 0,
                 0, "");
@@ -119,13 +122,13 @@ public class CommonCommandLineArguments {
         }
 
         // The file name refers to a resource on the local file system
-        final URL fileUrl = ResourceUtils.getUrl4Resource(fileName);
+        final var fileUrl = ResourceUtils.getUrl4Resource(fileName);
         if (fileUrl == null) {
             throw new ControlLoopException(Response.Status.NOT_ACCEPTABLE,
                     fileTag + FILE_MESSAGE_PREAMBLE + fileName + "\" does not exist");
         }
 
-        final File theFile = new File(fileUrl.getPath());
+        final var theFile = new File(fileUrl.getPath());
         if (!theFile.exists()) {
             throw new ControlLoopException(Response.Status.NOT_ACCEPTABLE,
                     fileTag + FILE_MESSAGE_PREAMBLE + fileName + "\" does not exist");