Make AbstractProperty abstract

worldedit-core/src/main/java/com/sk89q/worldedit/registry/state/AbstractProperty.java

@@ -27,7 +27,7 @@ import com.sk89q.worldedit.world.block.BlockTypes;
 import javax.annotation.Nullable;
 import java.util.List;
 
-public class AbstractProperty<T> implements Property<T> {
+public abstract class AbstractProperty<T> implements Property<T> {
 
     private final PropertyKey key;
     private String name;
@@ -73,9 +73,7 @@ public class AbstractProperty<T> implements Property<T> {
     }
 
     //todo remove the following to allow for upstream compatibility.
-    public <C extends AbstractProperty<T>> C withOffset(int bitOffset) {
-        return (C) new AbstractProperty<>(name, values, bitOffset);
-    }
+    public abstract <C extends AbstractProperty<T>> C withOffset(int bitOffset);
 
     @Deprecated
     public int modify(int state, T value) {

worldedit-core/src/main/java/com/sk89q/worldedit/world/block/BaseBlock.java

@@ -46,8 +46,7 @@ import java.util.Objects;
  */
 public class BaseBlock implements BlockStateHolder<BaseBlock> {
 
-    private final BlockState blockState;
-
+    private BlockState blockState;
     @Nullable protected CompoundTag nbtData;
 
     @Deprecated
@@ -55,16 +54,6 @@ public class BaseBlock implements BlockStateHolder<BaseBlock> {
         this(BlockTypes.AIR.getDefaultState());
     }
 
-//    /**
-//     * Construct a block with a state.
-//     * @deprecated Just use the BlockStateHolder instead
-//     * @param blockState The blockstate
-//     */
-//    @Deprecated
-//    public BaseBlock(BlockStateHolder blockState) {
-//        this(blockState, blockState.getNbtData());
-//    }
-
     /**
      * Construct a block with the given type and default data.
      * @deprecated Just use the BlockType.getDefaultState()

worldedit-core/src/main/java/com/sk89q/worldedit/world/block/BlockStateHolder.java

@@ -19,15 +19,16 @@
 
 package com.sk89q.worldedit.world.block;
 
+import com.sk89q.jnbt.CompoundTag;
 import com.sk89q.worldedit.blocks.TileEntityBlock;
 import com.sk89q.worldedit.function.pattern.FawePattern;
-import com.sk89q.jnbt.CompoundTag;
 import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.registry.state.Property;
 import com.sk89q.worldedit.registry.state.PropertyKey;
 import com.sk89q.worldedit.world.registry.BlockMaterial;
 
 import javax.annotation.Nullable;
+import java.util.Locale;
 import java.util.Map;
 import java.util.stream.Collectors;
 
@@ -198,9 +199,11 @@ public interface BlockStateHolder<B extends BlockStateHolder<B>> extends FawePat
         if (getStates().isEmpty()) {
             return this.getBlockType().getId();
         } else {
-            String properties =
-                    getStates().entrySet().stream().map(entry -> entry.getKey().getName() + "=" + entry.getValue().toString().toLowerCase()).collect(Collectors.joining(
-                    ","));
+            String properties = getStates().entrySet().stream()
+                .map(entry -> entry.getKey().getName()
+                    + "="
+                    + entry.getValue().toString().toLowerCase(Locale.ROOT))
+                .collect(Collectors.joining(","));
             return this.getBlockType().getId() + "[" + properties + "]";
         }
     }