Changed all #toLowerCase and #toUpperCase methods to use English Locale instead of default

Author: Artemis-the-gr8

src/main/java/com/artemis/the/gr8/playerstats/commands/TabCompleter.java

@@ -10,6 +10,7 @@
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Locale;
 import java.util.stream.Collectors;
 
 public final class TabCompleter implements org.bukkit.command.TabCompleter {
@@ -88,7 +89,7 @@ private List<String> getFirstArgSuggestions(String currentArg) {
 
     private List<String> getTabSuggestions(List<String> completeList, String currentArg) {
         return completeList.stream()
-                .filter(item -> item.toLowerCase().contains(currentArg.toLowerCase()))
+                .filter(item -> item.toLowerCase(Locale.ENGLISH).contains(currentArg.toLowerCase(Locale.ENGLISH)))
                 .collect(Collectors.toList());
     }
 

src/main/java/com/artemis/the/gr8/playerstats/commands/cmdutils/TabCompleteHelper.java

@@ -6,6 +6,7 @@
 
 import java.util.Arrays;
 import java.util.List;
+import java.util.Locale;
 import java.util.stream.Collectors;
 
 public final class TabCompleteHelper {
@@ -43,15 +44,15 @@ private static void prepareLists() {
                 .filter(Material::isItem)
                 .filter(item -> item.getMaxDurability() != 0)
                 .map(Material::toString)
-                .map(String::toLowerCase)
+                .map(string -> string.toLowerCase(Locale.ENGLISH))
                 .collect(Collectors.toList());
 
         //the only statistics dealing with entities are killed_entity and entity_killed_by
         entitySuggestions = Arrays.stream(EntityType.values())
                 .parallel()
                 .filter(EntityType::isAlive)
                 .map(EntityType::toString)
-                .map(String::toLowerCase)
+                .map(string -> string.toLowerCase(Locale.ENGLISH))
                 .collect(Collectors.toList());
     }
 }

src/main/java/com/artemis/the/gr8/playerstats/enums/Unit.java

@@ -3,6 +3,8 @@
 import org.bukkit.Statistic;
 import org.jetbrains.annotations.NotNull;
 
+import java.util.Locale;
+
 /**
  * All the units PlayerStats can display statistics in, separated
  * by {@link Unit.Type}.
@@ -131,15 +133,6 @@ public double getSeconds() {
         };
     }
 
-    /**
-     * Gets the Unit corresponding to the given String. This String
-     * does not need to match exactly (it can be "day" or "days",
-     * for example), and is case-insensitive.
-     *
-     * @param unitName the name belonging to the desired Unit,
-     *                 case-insensitive
-     * @return the Unit
-     */
     /** Converts the current Unit into a short label (and returns a '?' if the current Unit is not of Type TIME)*/
     public char getShortLabel(){
         return switch (this) {
@@ -155,7 +148,7 @@ public char getShortLabel(){
      match exactly (it can be "day" or "days", for example), and is case-insensitive.
      @param unitName an approximation of the name belonging to the desired Unit, case-insensitive */
     public static @NotNull Unit fromString(@NotNull String unitName) {
-        return switch (unitName.toLowerCase()) {
+        return switch (unitName.toLowerCase(Locale.ENGLISH)) {
             case "cm" -> Unit.CM;
             case "m", "block", "blocks" -> Unit.BLOCK;
             case "mile", "miles" -> Unit.MILE;
@@ -179,7 +172,7 @@ match exactly (it can be "day" or "days", for example), and is case-insensitive.
      * @return the Type of this Unit
      */
     public static @NotNull Type getTypeFromStatistic(Statistic statistic) {
-        String name = statistic.toString().toLowerCase();
+        String name = statistic.toString().toLowerCase(Locale.ENGLISH);
         if (name.contains("one_cm")) {
             return Type.DISTANCE;
         } else if (name.contains("damage")) {

src/main/java/com/artemis/the/gr8/playerstats/msg/msgutils/LanguageKeyHandler.java

@@ -16,6 +16,7 @@
 import java.io.File;
 import java.util.Arrays;
 import java.util.HashMap;
+import java.util.Locale;
 
 /**
  *
@@ -239,8 +240,8 @@ else if (item.isBlock()) {
      */
     public @Nullable String getBlockKey(Material block) {
         if (block == null) return null;
-        else if (block.toString().toLowerCase().contains("wall_banner")) {  //replace wall_banner with regular banner, since there is no key for wall banners
-            String blockName = block.toString().toLowerCase().replace("wall_", "");
+        else if (block.toString().toLowerCase(Locale.ENGLISH).contains("wall_banner")) {  //replace wall_banner with regular banner, since there is no key for wall banners
+            String blockName = block.toString().toLowerCase(Locale.ENGLISH).replace("wall_", "");
             Material newBlock = EnumHandler.getBlockEnum(blockName);
             return (newBlock != null) ? "block.minecraft." + newBlock.getKey().getKey() : null;
         }
@@ -264,7 +265,7 @@ else if (block.toString().toLowerCase().contains("wall_banner")) {  //replace wa
     private @NotNull HashMap<Statistic, String> generateStatNameKeys() {
         //get the enum names for all statistics first
         HashMap<Statistic, String> statNames = new HashMap<>(Statistic.values().length);
-        Arrays.stream(Statistic.values()).forEach(statistic -> statNames.put(statistic, statistic.toString().toLowerCase()));
+        Arrays.stream(Statistic.values()).forEach(statistic -> statNames.put(statistic, statistic.toString().toLowerCase(Locale.ENGLISH)));
 
         //replace the ones for which the language key is different from the enum name
         statNames.put(Statistic.ARMOR_CLEANED, "clean_armor");

src/main/java/com/artemis/the/gr8/playerstats/msg/msgutils/StringUtils.java

@@ -2,6 +2,8 @@
 
 import com.artemis.the.gr8.playerstats.utils.MyLogger;
 
+import java.util.Locale;
+
 /**
  * A small utility class that helps make enum constant
  * names prettier for output in stat-messages.
@@ -18,7 +20,7 @@ private StringUtils() {
      */
     public static String prettify(String input) {
         if (input == null) return null;
-        StringBuilder capitals = new StringBuilder(input.toLowerCase());
+        StringBuilder capitals = new StringBuilder(input.toLowerCase(Locale.ENGLISH));
         capitals.setCharAt(0, Character.toUpperCase(capitals.charAt(0)));
         while (capitals.indexOf("_") != -1) {
             MyLogger.logHighLevelMsg("Replacing underscores and capitalizing names...");

src/main/java/com/artemis/the/gr8/playerstats/utils/EnumHandler.java

@@ -9,6 +9,7 @@
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.List;
+import java.util.Locale;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
@@ -80,7 +81,7 @@ public List<String> getStatNames() {
      */
     public static @Nullable EntityType getEntityEnum(String entityName) {
         try {
-            return EntityType.valueOf(entityName.toUpperCase());
+            return EntityType.valueOf(entityName.toUpperCase(Locale.ENGLISH));
         }
         catch (IllegalArgumentException | NullPointerException e) {
             return null;
@@ -109,7 +110,7 @@ public List<String> getStatNames() {
      */
     public static @Nullable Statistic getStatEnum(@NotNull String statName)  {
         try {
-            return Statistic.valueOf(statName.toUpperCase());
+            return Statistic.valueOf(statName.toUpperCase(Locale.ENGLISH));
         }
         catch (IllegalArgumentException e) {
             return null;
@@ -123,7 +124,7 @@ public List<String> getStatNames() {
      * @return true if this String is a valid Statistic
      */
     public boolean isStatistic(@NotNull String statName) {
-        return statNames.contains(statName.toLowerCase());
+        return statNames.contains(statName.toLowerCase(Locale.ENGLISH));
     }
 
     /**
@@ -147,7 +148,7 @@ public boolean isEntityStatistic(String statName) {
      * of Type.Untyped
      */
     public boolean isSubStatEntry(@NotNull String statName) {
-        return subStatNames.contains(statName.toLowerCase());
+        return subStatNames.contains(statName.toLowerCase(Locale.ENGLISH));
     }
 
     /**
@@ -171,20 +172,20 @@ public static String getSubStatTypeName(Statistic.Type statType) {
     private void prepareLists() {
         List<String> entityNames = Arrays.stream(EntityType.values())
                 .map(EntityType::toString)
-                .map(String::toLowerCase)
+                .map(string -> string.toLowerCase(Locale.ENGLISH))
                 .filter(entityName -> !entityName.equalsIgnoreCase("unknown"))
                 .collect(Collectors.toList());
 
         blockNames = Arrays.stream(Material.values())
                 .filter(Material::isBlock)
                 .map(Material::toString)
-                .map(String::toLowerCase)
+                .map(string -> string.toLowerCase(Locale.ENGLISH))
                 .collect(Collectors.toList());
 
         itemNames = Arrays.stream(Material.values())
                 .filter(Material::isItem)
                 .map(Material::toString)
-                .map(String::toLowerCase)
+                .map(string -> string.toLowerCase(Locale.ENGLISH))
                 .collect(Collectors.toList());
 
         subStatNames = Stream.of(blockNames, entityNames, itemNames)
@@ -194,7 +195,7 @@ private void prepareLists() {
 
         statNames = Arrays.stream(Statistic.values())
                 .map(Statistic::toString)
-                .map(String::toLowerCase)
+                .map(string -> string.toLowerCase(Locale.ENGLISH))
                 .collect(Collectors.toList());
     }
 }