Update to newer java usage

Author: AlexProgrammerDE

PistonChat/src/main/java/net/pistonmaster/pistonchat/api/PistonChatAPI.java

@@ -1,14 +1,7 @@
 package net.pistonmaster.pistonchat.api;
 
-import com.google.common.base.Preconditions;
 import net.pistonmaster.pistonchat.PistonChat;
-import net.pistonmaster.pistonchat.tools.IgnoreTool;
-import org.bukkit.OfflinePlayer;
-import org.bukkit.command.CommandSender;
-import org.bukkit.entity.Player;
 
-import javax.annotation.Nonnull;
-import java.util.Map;
 import java.util.Objects;
 
 /**

PistonChat/src/main/java/net/pistonmaster/pistonchat/commands/ignore/SoftIgnoreCommand.java

@@ -26,7 +26,7 @@ public boolean onCommand(CommandSender sender, Command command, String label, St
             return true;
         }
 
-        if (args.length <= 0) {
+        if (args.length == 0) {
             return false;
         }
 

PistonChat/src/main/java/net/pistonmaster/pistonchat/commands/whisper/LastCommand.java

@@ -3,7 +3,6 @@
 import lombok.RequiredArgsConstructor;
 import net.pistonmaster.pistonchat.PistonChat;
 import net.pistonmaster.pistonchat.tools.CommonTool;
-import net.pistonmaster.pistonchat.tools.SoftIgnoreTool;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandExecutor;
 import org.bukkit.command.CommandSender;

PistonChat/src/main/java/net/pistonmaster/pistonchat/tools/CacheTool.java

@@ -48,7 +48,7 @@ public Optional<CommandSender> getLastSentTo(CommandSender sender) {
                 return Optional.empty();
             }
 
-            sentTo = UUID.fromString(values.get(0).asString());
+            sentTo = UUID.fromString(values.getFirst().asString());
         } else {
             indexConsole(sender);
             sentTo = customMap.get(sender).sentTo;
@@ -76,7 +76,7 @@ public Optional<CommandSender> getLastMessagedOf(CommandSender sender) {
                 return Optional.empty();
             }
 
-            messagedOf = UUID.fromString(values.get(0).asString());
+            messagedOf = UUID.fromString(values.getFirst().asString());
         } else {
             indexConsole(sender);
             messagedOf = customMap.get(sender).messagedOf;

PistonChat/src/main/java/net/pistonmaster/pistonchat/tools/SoftIgnoreTool.java

@@ -45,7 +45,7 @@ protected List<UUID> getStoredList(Player player) {
             return new ArrayList<>();
         }
 
-        return gson.<List<String>>fromJson(values.get(0).asString(), List.class).stream().map(UUID::fromString).toList();
+        return gson.<List<String>>fromJson(values.getFirst().asString(), List.class).stream().map(UUID::fromString).toList();
     }
 
     public void clearIgnoredPlayers(Player player) {

PistonChat/src/main/java/net/pistonmaster/pistonchat/tools/TempDataTool.java

@@ -1,6 +1,5 @@
 package net.pistonmaster.pistonchat.tools;
 
-import com.github.benmanes.caffeine.cache.Cache;
 import com.github.benmanes.caffeine.cache.Caffeine;
 import com.github.benmanes.caffeine.cache.LoadingCache;
 import lombok.RequiredArgsConstructor;

PistonFilter/src/main/java/net/pistonmaster/pistonfilter/utils/MessageInfo.java

@@ -5,7 +5,6 @@
 
 import java.time.Instant;
 import java.util.Arrays;
-import java.util.stream.Collectors;
 
 @Getter
 @ToString

PistonFilter/src/main/java/net/pistonmaster/pistonfilter/utils/StringHelper.java

@@ -45,13 +45,13 @@ public static boolean containsDigit(String s) {
     private static String stripAccents(final String input) {
         StringBuilder decomposed = new StringBuilder(Normalizer.normalize(input, Normalizer.Form.NFD));
         for (int i = 0; i < decomposed.length(); i++) {
-            if (decomposed.charAt(i) == '\u0141') {
+            if (decomposed.charAt(i) == 'Ł') {
                 decomposed.setCharAt(i, 'L');
-            } else if (decomposed.charAt(i) == '\u0142') {
+            } else if (decomposed.charAt(i) == 'ł') {
                 decomposed.setCharAt(i, 'l');
-            } else if (decomposed.charAt(i) == '\u00D8') {
+            } else if (decomposed.charAt(i) == 'Ø') {
                 decomposed.setCharAt(i, 'O');
-            } else if (decomposed.charAt(i) == '\u00F8') {
+            } else if (decomposed.charAt(i) == 'ø') {
                 decomposed.setCharAt(i, 'o');
             }
         }