some minor refactoring

worldedit-core/src/main/java/com/boydti/fawe/util/BrushCache.java

@@ -93,7 +93,7 @@ public final class BrushCache {
             } else {
                 displayMap = ReflectionUtils.getMap(display.getValue());
             }
-            displayMap.put("Lore", FaweCache.asTag(json.split("\\r?\\n")));
+            displayMap.put("Lore", FaweCache.IMP.asTag(json.split("\\r?\\n")));
             String primary = (String) tool.getPrimary().getSettings().get(BrushSettings.SettingType.BRUSH);
             String secondary = (String) tool.getSecondary().getSettings().get(BrushSettings.SettingType.BRUSH);
             if (primary == null) primary = secondary;

worldedit-core/src/main/java/com/boydti/fawe/util/IOUtil.java

@@ -5,6 +5,11 @@ import java.io.EOFException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
+import java.util.concurrent.Callable;
+import java.util.function.Consumer;
+import java.util.function.Function;
+import java.util.function.IntFunction;
+import java.util.function.Supplier;
 
 public final class IOUtil {
 
@@ -79,4 +84,30 @@ public final class IOUtil {
             out.write(buf, 0, r);
         }
     }
+
+    public static <T> Supplier<T> supplier(IntFunction<T> funx, int size) {
+        return () -> funx.apply(size);
+    }
+
+    public static <T> Supplier<T> supplier(Supplier<T> supplier, Function<T, T> modifier) {
+        return () -> modifier.apply(supplier.get());
+    }
+
+    public static <T> Supplier<T> supplier(Supplier<T> supplier, Consumer<T> modifier) {
+        return () -> {
+            T instance = supplier.get();
+            modifier.accept(instance);
+            return instance;
+        };
+    }
+
+    public static <T> Supplier<T> supplier(Callable<T> callable) {
+        return () -> {
+            try {
+                return callable.call();
+            } catch (Exception e) {
+                throw new RuntimeException(e);
+            }
+        };
+    }
 }