Enable checkstyle's Indentation module

airsonic-main/src/main/java/org/airsonic/player/controller/MainController.java

@@ -171,7 +171,7 @@ public class MainController  {
         }
 
         return new ModelAndView(view, "model", map);
-}
+    }
 
     private <T> boolean trimToSize(Boolean showAll, List<T> list, int userPaginationPreference) {
         boolean trimmed = false;

airsonic-main/src/main/java/org/airsonic/player/controller/SettingsController.java

@@ -42,7 +42,7 @@ public class SettingsController  {
     @Autowired
     private SecurityService securityService;
 
-@GetMapping
+    @GetMapping
     protected ModelAndView handleRequestInternal(HttpServletRequest request) throws Exception {
 
         User user = securityService.getCurrentUser(request);

airsonic-main/src/main/java/org/airsonic/player/security/JWTAuthenticationProvider.java

@@ -46,9 +46,7 @@ public class JWTAuthenticationProvider implements AuthenticationProvider {
         // TODO:AD This is super unfortunate, but not sure there is a better way when using JSP
         if(StringUtils.contains(authentication.getRequestedPath(), "/WEB-INF/jsp/")) {
             logger.warn("BYPASSING AUTH FOR WEB-INF page");
-        } else
-
-        if(!roughlyEqual(path.asString(), authentication.getRequestedPath())) {
+        } else if(!roughlyEqual(path.asString(), authentication.getRequestedPath())) {
             throw new InsufficientAuthenticationException("Credentials not valid for path " + authentication
                     .getRequestedPath() + ". They are valid for " + path.asString());
         }

airsonic-main/src/main/java/org/airsonic/player/util/FileUtil.java

@@ -140,13 +140,7 @@ public final class FileUtil {
     }
 
     private static <T> T timed(FileTask<T> task) {
-//        long t0 = System.nanoTime();
-//        try {
         return task.execute();
-//        } finally {
-//            long t1 = System.nanoTime();
-//            LOG.debug((t1 - t0) / 1000L + " microsec, " + task);
-//        }
     }
 
     private abstract static class FileTask<T> {

checkstyle.xml

@@ -24,6 +24,7 @@
         <module name="EmptyStatement"/>
         <module name="EqualsAvoidNull"/>
         <module name="EqualsHashCode"/>
+        <module name="Indentation"/>
         <module name="InnerAssignment"/>
         <module name="RedundantImport"/>
         <module name="StringLiteralEquality"/>