T203 added javadoc

src/main/java/com/release11/klaus/controller/MvcExceptionHandler.java

@@ -10,10 +10,20 @@ import javax.validation.ConstraintViolationException;
 import java.util.ArrayList;
 import java.util.List;
 
-//TODO: Find usage and document or remove it
+//TODO: Is it really necessary?
+
+/**
+ * Custom exception handler for {@link ConstraintViolationException}
+ * @author Rafał Żukowicz
+ */
 @ControllerAdvice
 public class MvcExceptionHandler {
 
+    /**
+     * Provides handling for {@link ConstraintViolationException}
+     * @param e exception argument
+     * @return response with error list and status 400 bad request
+     */
     @ExceptionHandler(ConstraintViolationException.class)
     public ResponseEntity<List> validationErrorHandler(ConstraintViolationException e){
         List<String> errors = new ArrayList<>(e.getConstraintViolations().size());
@@ -24,6 +34,11 @@ public class MvcExceptionHandler {
         return new ResponseEntity<>(errors, HttpStatus.BAD_REQUEST);
     }
 
+    /**
+     * Provides handling for {@link BindException}
+     * @param ex exception argument
+     * @return response with error list and status 400 bad request
+     */
     @ExceptionHandler(BindException.class)
     public ResponseEntity<List> handleBindException(BindException ex){
         return new ResponseEntity(ex.getAllErrors(), HttpStatus.BAD_REQUEST);