Fix more sonar smells

Plan/common/src/main/java/com/djrapitops/plan/component/ComponentSvc.java

@@ -31,9 +31,8 @@ public class ComponentSvc implements ComponentService {
 
     private ComponentConverter converter;
 
-    // This is required to inject
     @Inject
-    public ComponentSvc() {}
+    public ComponentSvc() {/* Dagger constructor */}
 
     @Override
     public String translateLegacy(String input, char inputCharacter, char outputCharacter) {

Plan/common/src/main/java/com/djrapitops/plan/delivery/domain/mutators/RetentionData.java

@@ -46,8 +46,8 @@ public class RetentionData {
             totalPlayersOnline += retentionData.getOnlineOnJoin();
         }
 
-        double averageIndex = totalIndex / (double) size;
-        double averagePlayersOnline = totalPlayersOnline / (double) size;
+        double averageIndex = totalIndex / size;
+        double averagePlayersOnline = totalPlayersOnline / size;
 
         return new RetentionData(averageIndex, averagePlayersOnline);
     }

Plan/common/src/main/java/com/djrapitops/plan/delivery/rendering/json/graphs/stack/ActivityStackGraph.java

@@ -59,7 +59,7 @@ class ActivityStackGraph extends StackGraph {
 
         for (Map<String, Integer> data : activityData.values()) {
             for (int j = 0; j < groups.length; j++) {
-                dataSets[j].add((double) data.getOrDefault(defaultGroups[j], 0));
+                dataSets[j].add(data.getOrDefault(defaultGroups[j], 0));
             }
         }
 

Plan/common/src/main/java/com/djrapitops/plan/delivery/web/WebAssetVersionCheckTask.java

@@ -127,9 +127,9 @@ public class WebAssetVersionCheckTask extends TaskSystem.Task {
     }
 
     private static class AssetInfo {
-        public String filename;
-        public long modifiedAt;
-        public long expectedModifiedAt;
+        private final String filename;
+        private final long modifiedAt;
+        private final long expectedModifiedAt;
 
         public AssetInfo(String filename, long modifiedAt, long expectedModifiedAt) {
             this.filename = filename;

Plan/common/src/main/java/com/djrapitops/plan/delivery/webserver/PassBruteForceGuard.java

@@ -73,12 +73,10 @@ public class PassBruteForceGuard {
         }
 
         @Override
-        public void increaseAttemptCountOnFailedLogin(String accessor) {
-        }
+        public void increaseAttemptCountOnFailedLogin(String accessor) { /* Disabled */ }
 
         @Override
-        public void resetAttemptCount(String accessor) {
-        }
+        public void resetAttemptCount(String accessor) { /* Disabled */ }
     }
 
 }

Plan/common/src/main/java/com/djrapitops/plan/delivery/webserver/auth/ActiveCookieStore.java

@@ -41,7 +41,7 @@ import java.util.concurrent.TimeUnit;
 public class ActiveCookieStore implements SubSystem {
 
     private static final Map<String, User> USERS_BY_COOKIE = new ConcurrentHashMap<>();
-    public static long cookieExpiresAfterMs = TimeUnit.HOURS.toMillis(2L);
+    private static long cookieExpiresAfterMs = TimeUnit.HOURS.toMillis(2L);
 
     private final ActiveCookieExpiryCleanupTask activeCookieExpiryCleanupTask;
 
@@ -67,6 +67,10 @@ public class ActiveCookieStore implements SubSystem {
         this.processing = processing;
     }
 
+    public static long getCookieExpiresAfterMs() {
+        return cookieExpiresAfterMs;
+    }
+
     private static void removeCookieStatic(String cookie) {
         Holder.getActiveCookieStore().removeCookie(cookie);
     }

Plan/common/src/main/java/com/djrapitops/plan/delivery/webserver/cache/JSONFileStorage.java

@@ -59,7 +59,7 @@ public class JSONFileStorage implements JSONStorage {
     private final Path jsonDirectory;
 
     private final ReentrantLockHelper readWriteProtectionLock = new ReentrantLockHelper();
-    private final Pattern timestampRegex = Pattern.compile(".*-([0-9]*).json");
+    private final Pattern timestampRegex = Pattern.compile(".*-(\\d*).json");
     private static final String JSON_FILE_EXTENSION = ".json";
 
     private final Formatter<Long> dateFormatter;

Plan/common/src/main/java/com/djrapitops/plan/delivery/webserver/resolver/auth/LoginResolver.java

@@ -88,7 +88,7 @@ public class LoginResolver implements NoAuthResolver {
     public Response getResponse(String cookie) {
         return Response.builder()
                 .setStatus(200)
-                .setHeader("Set-Cookie", "auth=" + cookie + "; Path=/; Max-Age=" + ActiveCookieStore.cookieExpiresAfterMs + "; SameSite=Lax; Secure;")
+                .setHeader("Set-Cookie", "auth=" + cookie + "; Path=/; Max-Age=" + ActiveCookieStore.getCookieExpiresAfterMs() + "; SameSite=Lax; Secure;")
                 .setJSONContent(Collections.singletonMap("success", true))
                 .build();
     }

Plan/common/src/main/java/com/djrapitops/plan/identification/ServerInfo.java

@@ -44,11 +44,10 @@ public abstract class ServerInfo implements SubSystem {
     }
 
     public ServerUUID getServerUUID() {
-        return getServer().getUuid();
+        return server.getUuid();
     }
 
     public ServerIdentifier getServerIdentifier() {
-        Server server = getServer();
         return new ServerIdentifier(server.getUuid(), server.getIdentifiableName());
     }
 

Plan/common/src/main/java/com/djrapitops/plan/settings/config/paths/CustomizedFileSettings.java

@@ -23,4 +23,8 @@ import com.djrapitops.plan.settings.config.paths.key.StringSetting;
 public class CustomizedFileSettings {
     public static final Setting<Boolean> WEB_DEV_MODE = new BooleanSetting("Customized_files.Enable_web_dev_mode");
     public static final Setting<String> PATH = new StringSetting("Customized_files.Path");
+
+    private CustomizedFileSettings() {
+        /* static variable class*/
+    }
 }

Plan/common/src/main/java/com/djrapitops/plan/settings/locale/TranslatedString.java

@@ -117,6 +117,7 @@ class TranslatedString {
 
         @Override
         public void translate(String replace, String with) {
+            /* Some elements should not be translated, like URLs */
         }
 
         @Override

Plan/common/src/main/java/com/djrapitops/plan/storage/database/MySQLDB.java

@@ -125,12 +125,7 @@ public class MySQLDB extends SQLDB {
             increment();
 
             hikariConfig.setAutoCommit(false);
-            try {
-                hikariConfig.setMaximumPoolSize(config.get(DatabaseSettings.MAX_CONNECTIONS));
-            } catch (IllegalStateException e) {
-                logger.warn(e.getMessage() + ", using 1 as maximum for now.");
-                hikariConfig.setMaximumPoolSize(1);
-            }
+            setMaxConnections(hikariConfig);
             hikariConfig.setMaxLifetime(TimeUnit.MINUTES.toMillis(25L));
             hikariConfig.setLeakDetectionThreshold(TimeUnit.SECONDS.toMillis(29L));
 
@@ -145,6 +140,15 @@ public class MySQLDB extends SQLDB {
         currentThread.setContextClassLoader(previousClassLoader);
     }
 
+    private void setMaxConnections(HikariConfig hikariConfig) {
+        try {
+            hikariConfig.setMaximumPoolSize(config.get(DatabaseSettings.MAX_CONNECTIONS));
+        } catch (IllegalStateException e) {
+            logger.warn(e.getMessage() + ", using 1 as maximum for now.");
+            hikariConfig.setMaximumPoolSize(1);
+        }
+    }
+
     private void unloadMySQLDriver() {
         // Avoid issues with other plugins by removing the mysql driver from driver manager
         Enumeration<Driver> drivers = DriverManager.getDrivers();

Plan/common/src/main/java/com/djrapitops/plan/storage/database/transactions/init/RemoveIncorrectTebexPackageDataPatch.java

@@ -16,13 +16,9 @@
  */
 package com.djrapitops.plan.storage.database.transactions.init;
 
-import com.djrapitops.plan.storage.database.queries.HasMoreThanZeroQueryStatement;
 import com.djrapitops.plan.storage.database.queries.Query;
 import com.djrapitops.plan.storage.database.transactions.patches.Patch;
 
-import java.sql.PreparedStatement;
-import java.sql.SQLException;
-
 import static com.djrapitops.plan.storage.database.sql.building.Sql.*;
 
 /**
@@ -30,24 +26,21 @@ import static com.djrapitops.plan.storage.database.sql.building.Sql.*;
  */
 public class RemoveIncorrectTebexPackageDataPatch extends Patch {
 
+    private static final String TABLE_NAME = "plan_tebex_payments";
+
     @Override
     public boolean hasBeenApplied() {
-        return !hasTable("plan_tebex_payments") || !query(hasWrongRows());
+        return !hasTable(TABLE_NAME) || !query(hasWrongRows());
     }
 
     private Query<Boolean> hasWrongRows() {
-        return new HasMoreThanZeroQueryStatement(
-                SELECT + "COUNT(*) as c" + FROM + "plan_tebex_payments" +
-                        WHERE + "packages LIKE 'TebexPackage%'"
-        ) {
-            @Override
-            public void prepare(PreparedStatement statement) throws SQLException {
-            }
-        };
+        String sql = SELECT + "COUNT(*) as c" + FROM + TABLE_NAME +
+                WHERE + "packages LIKE 'TebexPackage%'";
+        return db -> db.queryOptional(sql, set -> set.getInt("c") > 0).orElse(false);
     }
 
     @Override
     protected void applyPatch() {
-        execute(DELETE_FROM + "plan_tebex_payments" + WHERE + "packages LIKE 'TebexPackage%'");
+        execute(DELETE_FROM + TABLE_NAME + WHERE + "packages LIKE 'TebexPackage%'");
     }
 }

Plan/common/src/main/java/com/djrapitops/plan/storage/database/transactions/patches/AfterBadJoinAddressDataCorrectionPatch.java

@@ -26,7 +26,6 @@ import com.djrapitops.plan.storage.database.transactions.ExecBatchStatement;
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
 import java.util.List;
-import java.util.Set;
 
 import static com.djrapitops.plan.storage.database.sql.building.Sql.*;
 
@@ -110,13 +109,4 @@ public class AfterBadJoinAddressDataCorrectionPatch extends Patch {
         return query(db -> db.queryOptional(sql, results -> results.getInt("c") > 0))
                 .orElse(false);
     }
-
-    private Set<Integer> getBadAddressIds() {
-        String sql = SELECT + DISTINCT + SessionsTable.JOIN_ADDRESS_ID +
-                FROM + SessionsTable.TABLE_NAME +
-                WHERE + SessionsTable.JOIN_ADDRESS_ID + " NOT IN (" +
-                SELECT + JoinAddressTable.ID + FROM + JoinAddressTable.TABLE_NAME +
-                ")";
-        return query(db -> db.querySet(sql, results -> results.getInt(SessionsTable.JOIN_ADDRESS_ID)));
-    }
 }

Plan/common/src/main/java/com/djrapitops/plan/utilities/analysis/Percentage.java

@@ -18,6 +18,10 @@ package com.djrapitops.plan.utilities.analysis;
 
 public class Percentage {
 
+    private Percentage() {
+        /* static utility method class */
+    }
+
     public static double calculate(double amount, long total) {
         return calculate(amount, total, 0);
     }

Plan/common/src/main/java/com/djrapitops/plan/version/VersionNumber.java

@@ -23,7 +23,7 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 public class VersionNumber implements Comparable<VersionNumber> {
-    private static final Pattern MATCH_NUMBERS = Pattern.compile("([0-9]+)");
+    private static final Pattern MATCH_NUMBERS = Pattern.compile("(\\d+)");
 
     private final String version;
     private final List<Long> versionNumbers;

Plan/common/src/test/java/com/djrapitops/plan/component/ComponentServiceTest.java

@@ -26,34 +26,34 @@ import org.junit.jupiter.api.extension.ExtendWith;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
 @ExtendWith(FullSystemExtension.class)
-public class ComponentServiceTest {
+class ComponentServiceTest {
 
     static ComponentSvc service;
 
     @BeforeAll
-    public static void enableSystem(PlanSystem system) {
+    static void enableSystem(PlanSystem system) {
         system.enable();
         service = (ComponentSvc) ComponentService.getInstance();
     }
 
     @AfterAll
-    public static void tearDown(PlanSystem system) {
+    static void tearDown(PlanSystem system) {
         service = null;
         system.disable();
     }
 
     @Test
-    public void translateTest() {
+    void translateTest() {
         assertEquals("§cred", service.translateLegacy("&cred"));
     }
 
     @Test
-    public void invalidTranslateTest() {
+    void invalidTranslateTest() {
         assertEquals("&zinvalid color code", service.translateLegacy("&zinvalid color code"));
     }
 
     @Test
-    public void testAutoDetermine() {
+    void testAutoDetermine() {
         assertEquals("§cred", service.convert(service.fromAutoDetermine("<red>red"), ComponentOperation.LEGACY, Component.SECTION));
         assertEquals("§cred", service.convert(service.fromAutoDetermine("&cred"), ComponentOperation.LEGACY, Component.SECTION));
         assertEquals("&cred", service.convert(service.fromAutoDetermine("§cred"), ComponentOperation.LEGACY, Component.AMPERSAND));

Plan/common/src/test/java/com/djrapitops/plan/extension/implementation/builder/ClassValuePairOrderTest.java

@@ -28,7 +28,7 @@ import java.util.List;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
-public class ClassValuePairOrderTest {
+class ClassValuePairOrderTest {
 
     @Test
     void providedConditionsComeBeforeConditions() throws NoSuchMethodException {

Plan/common/src/test/java/com/djrapitops/plan/extension/implementation/builder/ExtensionDataBuilderTest.java

@@ -25,7 +25,7 @@ import java.util.Collections;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
-public class ExtensionDataBuilderTest {
+class ExtensionDataBuilderTest {
     @Test
     void nullTextWhenCreatingValueBuilderThrowsException() {
         ExtDataBuilder builder = new ExtDataBuilder(new Extension());

Plan/common/src/test/java/com/djrapitops/plan/settings/config/TimeZoneUtilityTest.java

@@ -17,6 +17,8 @@
 package com.djrapitops.plan.settings.config;
 
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.CsvSource;
 
 import java.time.ZoneId;
 import java.util.Optional;
@@ -31,33 +33,16 @@ import static org.junit.jupiter.api.Assertions.*;
  */
 class TimeZoneUtilityTest {
 
-    @Test
-    void utcIsValidZoneID() {
-        ZoneId zone = ZoneId.of("UTC");
-        assertNotNull(zone);
-    }
-
-    @Test
-    void gmtPlusIsValidZoneID() {
-        ZoneId zone = ZoneId.of("GMT+3");
-        assertNotNull(zone);
-    }
-
-    @Test
-    void gmtMinusIsValidZoneID() {
-        ZoneId zone = ZoneId.of("GMT-3");
-        assertNotNull(zone);
-    }
-
-    @Test
-    void gmtPlusMinutesIsValidZoneID() {
-        ZoneId zone = ZoneId.of("GMT+03:30");
-        assertNotNull(zone);
-    }
-
-    @Test
-    void gmtMinusMinutesIsValidZoneID() {
-        ZoneId zone = ZoneId.of("GMT-03:30");
+    @ParameterizedTest
+    @CsvSource({
+            "UTC",
+            "GMT+3",
+            "GMT-3",
+            "GMT+03:30",
+            "GMT-03:30"
+    })
+    void isValidZoneId(String zoneId) {
+        ZoneId zone = ZoneId.of(zoneId);
         assertNotNull(zone);
     }
 

Plan/extensions/adventure/src/main/java/com/djrapitops/plan/component/ComponentConverterImpl.java

@@ -68,7 +68,7 @@ public class ComponentConverterImpl implements ComponentConverter {
             boolean isMM = false;
             try {
                 isMM = MiniMessage.miniMessage().stripTags(input).length() != input.length();
-            } catch (Throwable ignored) {
+            } catch (Exception ignored) {
                 // MiniMessage may in some cases throw an exception, for example when it is given a legacy section.
             }
 

Plan/fabric/src/main/java/net/playeranalytics/plan/gathering/FabricPlayerPositionTracker.java

@@ -27,7 +27,7 @@ public class FabricPlayerPositionTracker {
 
     private static final double[] EMPTY_POSITION = new double[5];
 
-    public FabricPlayerPositionTracker() {
+    private FabricPlayerPositionTracker() {
         // Static method class
     }
 

Plan/fabric/src/main/java/net/playeranalytics/plan/version/FabricVersionChecker.java

@@ -46,6 +46,7 @@ public class FabricVersionChecker extends VersionChecker {
         super(currentVersion, locale, config, logger, runnableFactory, errorLogger);
     }
 
+    @Override
     public Optional<VersionInfo> getNewVersionAvailable() {
         if (newVersionAvailable == null) {
             return Optional.empty();

Plan/fabric/src/main/java/net/playeranalytics/plugin/server/FabricListeners.java

@@ -34,13 +34,13 @@ public class FabricListeners implements Listeners {
     public void registerListener(Object listener) {
         if (listener == null) {
             throw new IllegalArgumentException("Listener can not be null!");
-        } else if (!(listener instanceof FabricListener)) {
-            throw new IllegalArgumentException("Listener needs to be of type " + listener.getClass().getName() + ", but was " + listener.getClass());
-        } else {
-            if (!((FabricListener) listener).isEnabled()) {
-                ((FabricListener) listener).register();
-                listeners.add((FabricListener) listener);
+        } else if (listener instanceof FabricListener fabricListener) {
+            if (!fabricListener.isEnabled()) {
+                fabricListener.register();
+                listeners.add(fabricListener);
             }
+        } else {
+            throw new IllegalArgumentException("Listener needs to be of type " + listener.getClass().getName() + ", but was " + listener.getClass());
         }
     }
 

Plan/sponge/src/main/java/com/djrapitops/plan/gathering/SpongeSensor.java

@@ -62,6 +62,7 @@ public class SpongeSensor implements ServerSensor<ServerWorld> {
         return -1;
     }
 
+    @SuppressWarnings("unused") // This remains here so that it is not enabled, it causes lag.
     private int getLaggyChunkCount(ServerWorld world) {
         Iterator<WorldChunk> chunks = world.loadedChunks().iterator();
         int count = 0;

Plan/velocity/src/main/java/com/djrapitops/plan/PlanVelocity.java

@@ -185,8 +185,4 @@ public class PlanVelocity implements PlanPlugin {
     public File getDataFolder() {
         return dataFolderPath.toFile();
     }
-
-    private String fixMsgParams(String message) {
-        return message.replaceAll("\\{\\d+}", "{}");
-    }
 }