fix checkstyle warining

application/src/main/java/com/ericsson/bss/cassandra/ecchronos/application/EccYamlToMarkdownConverter.java

@@ -1,34 +1,58 @@
+/*
+ * Copyright 2024 Telefonaktiebolaget LM Ericsson
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package com.ericsson.bss.cassandra.ecchronos.application;
 
-import java.io.*;
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.FileNotFoundException;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
 import java.nio.file.Paths;
 
-public class EccYamlToMarkdownConverter
+public final class EccYamlToMarkdownConverter
 {
-    public static void main(String[] args)
-    {
-        String relativePathToDocs = "docs/autogenerated";
-        String markdownFileName = "EccYamlFile.md";
-        String yamlFilePath = "/ecc.yml"; // Resource path in the classpath
 
-        String currentWorkingDir = System.getProperty("user.dir");
-        String markdownFilePath = Paths.get(currentWorkingDir, relativePathToDocs, markdownFileName).toString();
+    private EccYamlToMarkdownConverter()
+    {
+    }
 
+    public static void main(final String[] args)
+    {
         try
         {
-            convertYamlToMarkdown(yamlFilePath, markdownFilePath);
+            convertYamlToMarkdown();
         }
         catch (IOException e)
         {
             e.printStackTrace();
         }
     }
 
-    private static void convertYamlToMarkdown(String yamlFilePath, String markdownFilePath) throws IOException
+    private static void convertYamlToMarkdown() throws IOException
     {
+        final String relativePathToDocs = "docs/autogenerated";
+        final String markdownFileName = "EccYamlFile.md";
+        final String yamlFilePath = "/ecc.yml"; // Resource path in the classpath
+
+        final String currentWorkingDir = System.getProperty("user.dir");
+        String markdownFilePath = Paths.get(currentWorkingDir, relativePathToDocs, markdownFileName).toString();
         try (InputStream inputStream = EccYamlToMarkdownConverter.class.getResourceAsStream(yamlFilePath);
-             BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
-             BufferedWriter writer = new BufferedWriter(new FileWriter(markdownFilePath)))
+                BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
+                BufferedWriter writer = new BufferedWriter(new FileWriter(markdownFilePath)))
         {
 
             if (inputStream == null)
@@ -53,7 +77,7 @@ private static void convertYamlToMarkdown(String yamlFilePath, String markdownFi
         }
     }
 
-    private static String convertLineToMarkdown(String line)
+    private static String convertLineToMarkdown(final String line)
     {
         String trimmedLine = line.trim();