remove redundant nullability attributes in main class

Author: zefir-git

src/main/java/pro/cloudnode/smp/smpcore/SMPCore.java

@@ -83,7 +83,7 @@ public void onEnable() {
         getServer().getPluginManager().registerEvents(new PlayerPreLoginListener(), this);
         getServer().getPluginManager().registerEvents(new PlayerPostRespawnListener(), this);
 
-        final @NotNull Map<@NotNull String, @NotNull Command> commands = new HashMap<>() {{
+        final Map<String, Command> commands = new HashMap<>() {{
             put("smpcore", new MainCommand());
             put("ban", new BanCommand());
             put("unban", new UnbanCommand());
@@ -93,7 +93,7 @@ public void onEnable() {
             put("citizens", new CitizensCommand());
         }};
         commands.put("alts", new AltsCommand(commands.get("smpcore")));
-        for (final @NotNull Map.Entry<@NotNull String, @NotNull Command> entry : commands.entrySet())
+        for (final Map.Entry<String, Command> entry : commands.entrySet())
             Objects.requireNonNull(getServer().getPluginCommand(entry.getKey())).setExecutor(entry.getValue());
     }
 
@@ -134,26 +134,26 @@ private void setupDatabase() {
     }
 
     private void initDatabase() {
-        final @NotNull String setup;
-        try (final @Nullable InputStream in = getClassLoader().getResourceAsStream("init.sql")) {
+        final String setup;
+        try (final InputStream in = getClassLoader().getResourceAsStream("init.sql")) {
             setup = new String(Objects.requireNonNull(in).readAllBytes());
         }
-        catch (final @NotNull IOException e) {
+        catch (final IOException e) {
             getLogger().log(Level.SEVERE, "db init: could not read db setup file", e);
             disable();
             return;
         }
-        final @NotNull String @NotNull [] queries = setup.split(";");
-        for (@NotNull String q : queries) {
-            final @NotNull String query = q.stripTrailing().stripIndent().replaceAll("^\\s+(?:--.+)*", "");
+        final String[] queries = setup.split(";");
+        for (String q : queries) {
+            final String query = q.stripTrailing().stripIndent().replaceAll("^\\s+(?:--.+)*", "");
             if (query.isBlank()) continue;
             try (
-                    final @NotNull Connection conn = db().getConnection();
-                    final @NotNull PreparedStatement stmt = conn.prepareStatement(query)
+                    final Connection conn = db().getConnection();
+                    final PreparedStatement stmt = conn.prepareStatement(query)
             ) {
                 stmt.executeUpdate();
             }
-            catch (final @NotNull SQLException e) {
+            catch (final SQLException e) {
                 getLogger().log(Level.SEVERE, "db init: could not execute query: " + query, e);
                 disable();
                 return;
@@ -170,16 +170,16 @@ public static void runMain(final @NotNull Runnable runnable) {
     }
 
     public static @NotNull Set<@NotNull Character> getDisallowedCharacters(final @NotNull String source, final @NotNull Pattern pattern) {
-        final @NotNull Matcher matcher = pattern.matcher(source);
-        final @NotNull Set<@NotNull Character> chars = new HashSet<>();
+        final Matcher matcher = pattern.matcher(source);
+        final Set<Character> chars = new HashSet<>();
         while (matcher.find())
             for (char c : matcher.group().toCharArray())
                 chars.add(c);
         return chars;
     }
 
     public static boolean ifDisallowedCharacters(final @NotNull String source, final @NotNull Pattern pattern, final @NotNull Consumer<@NotNull Set<@NotNull Character>> consumer) {
-        final @NotNull Set<@NotNull Character> chars = getDisallowedCharacters(source, pattern);
+        final Set<Character> chars = getDisallowedCharacters(source, pattern);
         if (!chars.isEmpty()) {
             consumer.accept(chars);
             return true;
@@ -197,7 +197,7 @@ public static boolean ifDisallowedCharacters(final @NotNull String source, final
         final double months = Math.floor(days / 30.0);
         final double years = Math.floor(months / 12.0);
 
-        final @NotNull Component t;
+        final Component t;
         if (years > 0) t = SMPCore.config().relativeTime(years, ChronoUnit.YEARS);
         else if (months > 0) t = SMPCore.config().relativeTime((int) months, ChronoUnit.MONTHS);
         else if (days > 0) t = SMPCore.config().relativeTime((int) days, ChronoUnit.DAYS);