Рефакторинг

src/main/java/ru/serega6531/packmate/service/PatternMatcher.java

@@ -33,7 +33,7 @@ public class PatternMatcher {
 
     private void match(Pattern pattern) {
         if (pattern.getSearchType() == PatternSearchType.REGEX) {
-            final java.util.regex.Pattern regex = compilePattern(pattern);
+            final var regex = compilePattern(pattern);
             final Matcher matcher = regex.matcher(content);
             int startPos = 0;
 
@@ -99,7 +99,6 @@ public class PatternMatcher {
         return a <= x && x <= b;
     }
 
-
     private java.util.regex.Pattern compilePattern(Pattern pattern) {
         return compiledPatterns.computeIfAbsent(pattern.getValue(), java.util.regex.Pattern::compile);
     }

src/main/java/ru/serega6531/packmate/service/StreamService.java

@@ -56,14 +56,14 @@ public class StreamService {
      */
     @Transactional
     public boolean saveNewStream(UnfinishedStream unfinishedStream, List<Packet> packets) {
-        final Optional<CtfService> serviceOptional = servicesService.findService(
+        final var serviceOptional = servicesService.findService(
                 unfinishedStream.getFirstIp(),
                 unfinishedStream.getFirstPort(),
                 unfinishedStream.getSecondIp(),
                 unfinishedStream.getSecondPort()
         );
 
-        if (!serviceOptional.isPresent()) {
+        if (serviceOptional.isEmpty()) {
             log.warn("Не удалось сохранить стрим: сервиса на порту {} или {} не существует",
                     unfinishedStream.getFirstPort(), unfinishedStream.getSecondPort());
             return false;