diff --git a/src/main/java/com/pablissimo/sonar/LOCSensor.java b/src/main/java/com/pablissimo/sonar/LOCSensor.java
index 328803c..c23f678 100644
--- a/src/main/java/com/pablissimo/sonar/LOCSensor.java
+++ b/src/main/java/com/pablissimo/sonar/LOCSensor.java
@@ -4,6 +4,9 @@
 import java.io.FileNotFoundException;
 import java.io.FileReader;
 import java.io.IOException;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.sonar.api.batch.Sensor;
 import org.sonar.api.batch.SensorContext;
 import org.sonar.api.batch.fs.FileSystem;
@@ -13,6 +16,8 @@
 import org.sonar.api.resources.Project;
 
 public class LOCSensor implements Sensor {
+    private static final Logger LOG = LoggerFactory.getLogger(LOCSensor.class);
+
     private FileSystem fileSystem;
 
     /**
@@ -42,7 +47,7 @@ public void analyse(Project project, SensorContext sensorContext) {
     public String toString() {
         return getClass().getSimpleName();
     }
-    
+
     protected BufferedReader getReaderFromFile(InputFile inputFile) throws FileNotFoundException {
         return new BufferedReader(new FileReader(inputFile.file()));
     }
@@ -53,9 +58,9 @@ private int getNonCommentLineCount(InputFile inputFile) {
         try {
             br = this.getReaderFromFile(inputFile);
 
-            boolean isEOF = false;
+            boolean isEOF;
             boolean isCommentOpen = false;
-            boolean isACommentLine = false;
+            boolean isACommentLine;
             do {
 
                 String line = br.readLine();
@@ -102,11 +107,9 @@ private int getNonCommentLineCount(InputFile inputFile) {
             br.close();
 
         } catch (FileNotFoundException e) {
-            // TODO Auto-generated catch block
-            e.printStackTrace();
+            LOG.error("File not found", e);
         } catch (IOException e) {
-            // TODO Auto-generated catch block
-            e.printStackTrace();
+            LOG.error("Error while reading BufferedReader", e);
         }
         return value;
     }
diff --git a/src/main/java/com/pablissimo/sonar/TsCoverageSensor.java b/src/main/java/com/pablissimo/sonar/TsCoverageSensor.java
index ca1eb3e..8034429 100644
--- a/src/main/java/com/pablissimo/sonar/TsCoverageSensor.java
+++ b/src/main/java/com/pablissimo/sonar/TsCoverageSensor.java
@@ -113,7 +113,7 @@ protected LCOVParser getParser(File baseDirectory) {
     }
 
     private void saveZeroValueForResource(org.sonar.api.resources.File resource, SensorContext context) {
-        PropertiesBuilder<Integer, Integer> lineHitsData = new PropertiesBuilder<Integer, Integer>(CoreMetrics.COVERAGE_LINE_HITS_DATA);
+        PropertiesBuilder<Integer, Integer> lineHitsData = new PropertiesBuilder<>(CoreMetrics.COVERAGE_LINE_HITS_DATA);
 
         for (int x = 1; x < context.getMeasure(resource, CoreMetrics.LINES).getIntValue(); x++) {
             lineHitsData.add(x, 0);
@@ -151,4 +151,4 @@ public File getIOFile(File baseDir, String path) {
 
         return file;
     }
-}
\ No newline at end of file
+}
diff --git a/src/main/java/com/pablissimo/sonar/TsLintSensor.java b/src/main/java/com/pablissimo/sonar/TsLintSensor.java
index de7d8e5..c699aff 100644
--- a/src/main/java/com/pablissimo/sonar/TsLintSensor.java
+++ b/src/main/java/com/pablissimo/sonar/TsLintSensor.java
@@ -54,9 +54,7 @@ public TsLintSensor(Settings settings, FileSystem fileSystem, ResourcePerspectiv
     }
 
     public boolean shouldExecuteOnProject(Project project) {
-        boolean toReturn = hasFilesToAnalyze();
-
-        return toReturn;
+        return hasFilesToAnalyze();
     }
 
     private boolean hasFilesToAnalyze() {
@@ -85,7 +83,7 @@ else if (pathToTsLintConfig == null) {
 
         RuleQuery ruleQuery = RuleQuery.create().withRepositoryKey(TsRulesDefinition.REPOSITORY_NAME);
         Collection<Rule> allRules = this.ruleFinder.findAll(ruleQuery);
-        HashSet<String> ruleNames = new HashSet<String>();
+        HashSet<String> ruleNames = new HashSet<>();
         for (Rule rule : allRules) {
             ruleNames.add(rule.getKey());
         }
diff --git a/src/main/java/com/pablissimo/sonar/TypeScriptLanguage.java b/src/main/java/com/pablissimo/sonar/TypeScriptLanguage.java
index 9cb0bd7..bbeef90 100644
--- a/src/main/java/com/pablissimo/sonar/TypeScriptLanguage.java
+++ b/src/main/java/com/pablissimo/sonar/TypeScriptLanguage.java
@@ -6,7 +6,7 @@ public class TypeScriptLanguage extends AbstractLanguage {
     public static final String LANGUAGE_NAME = "TypeScript";
     public static final String LANGUAGE_KEY = "ts";
     public static final String[] LANGUAGE_EXTENSIONS = { "ts", "tsx" };
-    public static final String LANGUAGE_DEFINITION_EXTENSION = "d.ts";
+    protected static final String LANGUAGE_DEFINITION_EXTENSION = "d.ts";
 
     public TypeScriptLanguage(){
         super(LANGUAGE_KEY, LANGUAGE_NAME);
diff --git a/src/main/java/com/pablissimo/sonar/model/TsLintConfig.java b/src/main/java/com/pablissimo/sonar/model/TsLintConfig.java
index 67bebe0..aacd996 100644
--- a/src/main/java/com/pablissimo/sonar/model/TsLintConfig.java
+++ b/src/main/java/com/pablissimo/sonar/model/TsLintConfig.java
@@ -7,7 +7,7 @@ public class TsLintConfig {
     private Map<String, Object> rules;
 
     public TsLintConfig() {
-        this.rules = new HashMap<String, Object>();
+        this.rules = new HashMap<>();
     }
 
     public Map<String, Object> getRules() {