Fixed sonar cloud code smells.

src/main/java/world/bentobox/level/Level.java

@@ -192,7 +192,6 @@ public class Level extends Addon implements Listener {
             // Disable
             logError("Level blockconfig.yml settings could not load! Addon disabled.");
             setState(State.DISABLED);
-            return;
         }
 
     }

src/main/java/world/bentobox/level/LevelsManager.java

@@ -455,7 +455,7 @@ public class LevelsManager {
      * @param owner - owner of the island
      * @param r - results of the calculation
      */
-    private void setIslandResults(World world, @Nullable UUID owner, Results r) {
+    private void setIslandResults(World world, @NonNull UUID owner, Results r) {
         LevelsData ld = levelsCache.computeIfAbsent(owner, LevelsData::new);
         ld.setLevel(world, r.getLevel());
         ld.setUwCount(world, r.getUwCount());

src/main/java/world/bentobox/level/config/BlockConfig.java

@@ -3,6 +3,7 @@ package world.bentobox.level.config;
 import java.io.File;
 import java.io.IOException;
 import java.util.Arrays;
+import java.util.EnumMap;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Objects;
@@ -15,67 +16,93 @@ import org.bukkit.configuration.file.YamlConfiguration;
 
 import world.bentobox.level.Level;
 
+/**
+ * Contains all the block values, limits and world differences
+ * @author tastybento
+ *
+ */
 public class BlockConfig {
 
-    private Map<Material, Integer> blockLimits = new HashMap<>();
+    private Map<Material, Integer> blockLimits = new EnumMap<>(Material.class);
-    private Map<Material, Integer> blockValues = new HashMap<>();
+    private Map<Material, Integer> blockValues = new EnumMap<>(Material.class);
     private final Map<World, Map<Material, Integer>> worldBlockValues = new HashMap<>();
+    private Level addon;
 
-    public BlockConfig(Level level, YamlConfiguration blockValues, File file) throws IOException {
+    /**
-
+     * Loads block limits, values and world settings and then saves them again
+     * @param addon - addon
+     * @param blockValues - yaml configuration file containing the block values
+     * @param file - the file representing the yaml config. Will be saved after readong.
+     * @throws IOException - if there is an error
+     */
+    public BlockConfig(Level addon, YamlConfiguration blockValues, File file) throws IOException {
+        this.addon = addon;
         if (blockValues.isConfigurationSection("limits")) {
-            HashMap<Material, Integer> bl = new HashMap<>();
+            setBlockLimits(loadBlockLimits(blockValues));
-            ConfigurationSection limits = Objects.requireNonNull(blockValues.getConfigurationSection("limits"));
-            for (String material : limits.getKeys(false)) {
-                try {
-                    Material mat = Material.valueOf(material);
-                    bl.put(mat, limits.getInt(material, 0));
-                } catch (Exception e) {
-                    level.logWarning("Unknown material (" + material + ") in blockconfig.yml Limits section. Skipping...");
-                }
-            }
-            setBlockLimits(bl);
         }
         if (blockValues.isConfigurationSection("blocks")) {
-            ConfigurationSection blocks = Objects.requireNonNull(blockValues.getConfigurationSection("blocks"));
+            setBlockValues(loadBlockValues(blockValues));
-            Map<Material, Integer> bv = new HashMap<>();
-            // Update blockvalues to latest settings
-            Arrays.stream(Material.values()).filter(Material::isBlock)
-            .filter(m -> !m.name().startsWith("LEGACY_"))
-            .filter(m -> !m.isAir())
-            .filter(m -> !m.equals(Material.WATER))
-            .forEach(m -> {
-                if (!blocks.contains(m.name(), true)) {
-                    blocks.set(m.name(), 1);
-                }
-                bv.put(m, blocks.getInt(m.name(), 1));
-            });
-            setBlockValues(bv);
         } else {
-            level.logWarning("No block values in blockconfig.yml! All island levels will be zero!");
+            addon.logWarning("No block values in blockconfig.yml! All island levels will be zero!");
         }
         // Worlds
         if (blockValues.isConfigurationSection("worlds")) {
-            ConfigurationSection worlds = Objects.requireNonNull(blockValues.getConfigurationSection("worlds"));
+            loadWorlds(blockValues);
-            for (String world : Objects.requireNonNull(worlds).getKeys(false)) {
-                World bWorld = Bukkit.getWorld(world);
-                if (bWorld != null) {
-                    ConfigurationSection worldValues = worlds.getConfigurationSection(world);
-                    for (String material : Objects.requireNonNull(worldValues).getKeys(false)) {
-                        Material mat = Material.valueOf(material);
-                        Map<Material, Integer> values = worldBlockValues.getOrDefault(bWorld, new HashMap<>());
-                        values.put(mat, worldValues.getInt(material));
-                        worldBlockValues.put(bWorld, values);
-                    }
-                } else {
-                    level.logWarning("Level Addon: No such world in blockconfig.yml : " + world);
-                }
-            }
         }
         // All done
         blockValues.save(file);
     }
 
+    private void loadWorlds(YamlConfiguration blockValues2) {
+        ConfigurationSection worlds = Objects.requireNonNull(blockValues2.getConfigurationSection("worlds"));
+        for (String world : Objects.requireNonNull(worlds).getKeys(false)) {
+            World bWorld = Bukkit.getWorld(world);
+            if (bWorld != null) {
+                ConfigurationSection worldValues = worlds.getConfigurationSection(world);
+                for (String material : Objects.requireNonNull(worldValues).getKeys(false)) {
+                    Material mat = Material.valueOf(material);
+                    Map<Material, Integer> values = worldBlockValues.getOrDefault(bWorld, new EnumMap<>(Material.class));
+                    values.put(mat, worldValues.getInt(material));
+                    worldBlockValues.put(bWorld, values);
+                }
+            } else {
+                addon.logWarning("Level Addon: No such world in blockconfig.yml : " + world);
+            }
+        }
+
+    }
+
+    private Map<Material, Integer> loadBlockValues(YamlConfiguration blockValues2) {
+        ConfigurationSection blocks = Objects.requireNonNull(blockValues2.getConfigurationSection("blocks"));
+        Map<Material, Integer> bv = new EnumMap<>(Material.class);
+        // Update blockvalues to latest settings
+        Arrays.stream(Material.values()).filter(Material::isBlock)
+        .filter(m -> !m.name().startsWith("LEGACY_"))
+        .filter(m -> !m.isAir())
+        .filter(m -> !m.equals(Material.WATER))
+        .forEach(m -> {
+            if (!blocks.contains(m.name(), true)) {
+                blocks.set(m.name(), 1);
+            }
+            bv.put(m, blocks.getInt(m.name(), 1));
+        });
+        return bv;
+    }
+
+    private Map<Material, Integer> loadBlockLimits(YamlConfiguration blockValues2) {
+        Map<Material, Integer> bl = new EnumMap<>(Material.class);
+        ConfigurationSection limits = Objects.requireNonNull(blockValues2.getConfigurationSection("limits"));
+        for (String material : limits.getKeys(false)) {
+            try {
+                Material mat = Material.valueOf(material);
+                bl.put(mat, limits.getInt(material, 0));
+            } catch (Exception e) {
+                addon.logWarning("Unknown material (" + material + ") in blockconfig.yml Limits section. Skipping...");
+            }
+        }
+        return bl;
+    }
+
     /**
      * @return the blockLimits
      */
@@ -83,10 +110,10 @@ public class BlockConfig {
         return blockLimits;
     }
     /**
-     * @param blockLimits2 the blockLimits to set
+     * @param bl the blockLimits to set
      */
-    private void setBlockLimits(HashMap<Material, Integer> blockLimits2) {
+    private void setBlockLimits(Map<Material, Integer> bl) {
-        this.blockLimits = blockLimits2;
+        this.blockLimits = bl;
     }
     /**
      * @return the blockValues

src/main/java/world/bentobox/level/objects/LevelsData.java

@@ -1,6 +1,7 @@
 package world.bentobox.level.objects;
 
 import java.util.Collections;
+import java.util.EnumMap;
 import java.util.HashMap;
 import java.util.Locale;
 import java.util.Map;
@@ -213,7 +214,7 @@ public class LevelsData implements DataObject {
      */
     public void setUwCount(World world, Multiset<Material> uwCount) {
         if (this.uwCount == null) this.uwCount = new HashMap<>();
-        Map<Material, Integer> count = new HashMap<>();
+        Map<Material, Integer> count = new EnumMap<>(Material.class);
         uwCount.forEach(m -> count.put(m, uwCount.count(m)));
 
         this.uwCount.put(world.getName(), count);
@@ -224,7 +225,7 @@ public class LevelsData implements DataObject {
      */
     public void setMdCount(World world, Multiset<Material> mdCount) {
         if (this.mdCount == null) this.mdCount = new HashMap<>();
-        Map<Material, Integer> count = new HashMap<>();
+        Map<Material, Integer> count = new EnumMap<>(Material.class);
         mdCount.forEach(m -> count.put(m, mdCount.count(m)));
 
         this.mdCount.put(world.getName(), count);

src/main/java/world/bentobox/level/panels/DetailsGUITab.java

@@ -5,7 +5,7 @@ package world.bentobox.level.panels;
 
 import java.util.ArrayList;
 import java.util.Collections;
-import java.util.HashMap;
+import java.util.EnumMap;
 import java.util.List;
 import java.util.Map;
 
@@ -47,7 +47,7 @@ public class DetailsGUITab implements Tab, ClickHandler {
      */
     private static final Map<Material, Material> M2I;
     static {
-        Map<Material, Material> m2i = new HashMap<>();
+        Map<Material, Material> m2i = new EnumMap<>(Material.class);
         m2i.put(Material.WATER, Material.WATER_BUCKET);
         m2i.put(Material.LAVA, Material.LAVA_BUCKET);
         m2i.put(Material.AIR, Material.BLACK_STAINED_GLASS_PANE);
@@ -133,7 +133,7 @@ public class DetailsGUITab implements Tab, ClickHandler {
         items = new ArrayList<>();
         LevelsData ld = addon.getManager().getLevelsData(island.getOwner());
         // Get the items from the report
-        Map<Material, Integer> sumTotal = new HashMap<>();
+        Map<Material, Integer> sumTotal = new EnumMap<>(Material.class);
         sumTotal.putAll(ld.getMdCount(world));
         sumTotal.putAll(ld.getUwCount(world));
         switch(type) {

src/main/java/world/bentobox/level/requests/LevelRequestHandler.java

@@ -10,6 +10,8 @@ import world.bentobox.level.Level;
 
 public class LevelRequestHandler extends AddonRequestHandler {
 
+    private static final Object WORLD_NAME = "world-name";
+    private static final Object PLAYER = "player";
     private final Level addon;
 
     public LevelRequestHandler(Level addon) {
@@ -32,12 +34,12 @@ public class LevelRequestHandler extends AddonRequestHandler {
          */
 
         if (map == null || map.isEmpty()
-                || map.get("world-name") == null || !(map.get("world-name") instanceof String)
+                || map.get(WORLD_NAME) == null || !(map.get(WORLD_NAME) instanceof String)
-                || map.get("player") == null || !(map.get("player") instanceof UUID)
+                || map.get(PLAYER) == null || !(map.get(PLAYER) instanceof UUID)
-                || Bukkit.getWorld((String) map.get("world-name")) == null) {
+                || Bukkit.getWorld((String) map.get(WORLD_NAME)) == null) {
             return 0L;
         }
 
-        return addon.getManager().getIslandLevel(Bukkit.getWorld((String) map.get("world-name")), (UUID) map.get("player"));
+        return addon.getManager().getIslandLevel(Bukkit.getWorld((String) map.get(WORLD_NAME)), (UUID) map.get(PLAYER));
     }
 }