improve code

annotations-processors/src/main/java/net/ihe/gazelle/lib/annotations/CSVFileLoader.java

@@ -92,19 +92,14 @@ class CSVFileLoader {
     static List<String> readCSVFile(File csvFile) throws FileNotFoundException {
         List<String> result = new ArrayList<>();
         FileReader fr = new FileReader(csvFile);
-        BufferedReader br = new BufferedReader(fr);
-        try {
+
+        try (BufferedReader br = new BufferedReader(fr)){
             for (String line = br.readLine(); line != null; line = br.readLine()) {
                 result.add(line);
             }
-        } catch (IOException e) {
-            LOGGER.error("The following exception has occured during file reading : {}",e);
-        }
-        try {
-            br.close();
             fr.close();
         } catch (IOException e) {
-            LOGGER.error("The following exception has occured during file closing : {}",e);
+            LOGGER.error("The following exception has occured during file reading : {}",e);
         }
 
         return result;

annotations-processors/src/main/java/net/ihe/gazelle/lib/annotations/CoversProcessor.java

@@ -20,19 +20,12 @@ public class CoversProcessor extends AbstractProcessor {
     public boolean process(Set<? extends TypeElement> annotations,
                            RoundEnvironment roundEnv) {
         String fileName = System.getProperty("csv.name");
+        String className = roundEnv.getRootElements().iterator().next().getSimpleName().toString();
 
         for (TypeElement annotation : annotations) {
-            Set<? extends Element> annotatedElements
-                    = roundEnv.getElementsAnnotatedWith(annotation);
             CSVFileLoader.loadCSVFileFromPath(fileName);
-            annotatedElements.forEach(annotatedElement -> {
-                String[] requirements = annotatedElement.getAnnotation(Covers.class).requirements();
-                annotatedElement.getAnnotation(Test.class);
-
-                Set<? extends Element> contextElements =roundEnv.getRootElements();
-                String className = contextElements.iterator().next().getSimpleName().toString();
-
-                Arrays.asList(requirements).forEach(assertionId -> {
+            roundEnv.getElementsAnnotatedWith(annotation).forEach(annotatedElement -> {
+                Arrays.asList(annotatedElement.getAnnotation(Covers.class).requirements()).forEach(assertionId -> {
                     if (className.endsWith("Test") || className.endsWith("IT")) {
                         CSVFileLoader.setTestedForAssertionID(fileName,assertionId);
                     }