Fixing most of the more straightforward code smells

src/main/java/com/pablissimo/sonar/TsCoverageSensorImpl.java

@@ -133,7 +133,7 @@ public void execute(SensorContext ctx, Map<InputFile, Set<Integer>> nonCommentLi
         Map<InputFile, Set<Integer>> nonCommentLineMap = nonCommentLineNumbersByFile;
 
         if (nonCommentLineMap == null) {
-            nonCommentLineMap = new HashMap<InputFile, Set<Integer>>();
+            nonCommentLineMap = new HashMap<>();
         }
 
         if (isLCOVReportProvided(ctx)) {

src/main/java/com/pablissimo/sonar/TsLintParser.java

@@ -5,6 +5,7 @@
 
 import com.pablissimo.sonar.model.TsLintIssue;
 
+@FunctionalInterface
 public interface TsLintParser {
     Map<String, List<TsLintIssue>> parse(List<String> rawOutputBatches);
 }

src/main/java/com/pablissimo/sonar/TsLintParserImpl.java

@@ -12,12 +12,13 @@
 import com.pablissimo.sonar.model.TsLintIssue;
 
 @BatchSide
-public class TsLintParserImpl implements TsLintParser {    
+public class TsLintParserImpl implements TsLintParser {
+    @Override
     public Map<String, List<TsLintIssue>> parse(List<String> toParse) {
         GsonBuilder builder = new GsonBuilder();
         Gson gson = builder.create();
 
-        List<TsLintIssue> allIssues = new ArrayList<TsLintIssue>();
+        List<TsLintIssue> allIssues = new ArrayList<>();
 
         for (String batch : toParse) {
             TsLintIssue[] batchIssues = gson.fromJson(getFixedUpOutput(batch), TsLintIssue[].class);
@@ -32,11 +33,11 @@ public Map<String, List<TsLintIssue>> parse(List<String> toParse) {
         }
 
         // Remap by filename
-        Map<String, List<TsLintIssue>> toReturn = new HashMap<String, List<TsLintIssue>>();
+        Map<String, List<TsLintIssue>> toReturn = new HashMap<>();
         for (TsLintIssue issue : allIssues) {
             List<TsLintIssue> issuesByFile = toReturn.get(issue.getName());
             if (issuesByFile == null) {
-                issuesByFile = new ArrayList<TsLintIssue>();
+                issuesByFile = new ArrayList<>();
                 toReturn.put(issue.getName(), issuesByFile);
             }
 

src/main/java/com/pablissimo/sonar/TsLintSensor.java

@@ -67,7 +67,7 @@ public void execute(SensorContext ctx) {
             ruleNames.add(rule.ruleKey().rule());
         }
 
-        List<String> paths = new ArrayList<String>();
+        List<String> paths = new ArrayList<>();
 
         for (InputFile file : ctx.fileSystem().inputFiles(ctx.fileSystem().predicates().hasLanguage(TypeScriptLanguage.LANGUAGE_KEY))) {
             if (shouldSkipFile(file.file(), skipTypeDefFiles)) {

src/main/java/com/pablissimo/sonar/TsRulesDefinition.java

@@ -136,12 +136,7 @@ public static void loadRules(InputStream stream, List<TsLintRule> rulesCollectio
             rulesCollection.add(tsRule);
         }
 
-        Collections.sort(rulesCollection, new Comparator<TsLintRule>() {
-            @Override
-            public int compare(TsLintRule r1, TsLintRule r2) {
-                return r1.key.compareTo(r2.key);
-            }
-        });
+        Collections.sort(rulesCollection, (TsLintRule r1, TsLintRule r2) -> r1.key.compareTo(r2.key));
     }
 
     private void createRule(NewRepository repository, TsLintRule tsRule) {
@@ -190,6 +185,7 @@ private void createRule(NewRepository repository, TsLintRule tsRule) {
         sonarRule.setType(type);
     }
 
+    @Override
     public void define(Context context) {
         NewRepository repository =
                 context

src/main/java/com/pablissimo/sonar/TypeScriptLanguage.java

@@ -12,6 +12,7 @@ public TypeScriptLanguage(){
         super(LANGUAGE_KEY, LANGUAGE_NAME);
     }
 
+    @Override
     public String[] getFileSuffixes() {
         return LANGUAGE_EXTENSIONS;
     }