Refactoring

Type-safety

Minor performance improvements

src/main/java/appeng/core/features/AEFeatureHandler.java

@@ -165,7 +165,7 @@ public class AEFeatureHandler implements AEItemDefinition
 			if ( subName.equals( "NetherQuartzTools" ) )
 				return name.replace( "Quartz", "NetherQuartz" );
 
-			name += "." + subName;
+			name += '.' + subName;
 		}
 
 		return name;

src/main/java/appeng/core/features/FeatureNameExtractor.java

@@ -24,8 +24,8 @@ import com.google.common.base.Optional;
 
 public class FeatureNameExtractor
 {
-	private Class<?> clazz;
-	private Optional<String> subName;
+	private final Class<?> clazz;
+	private final Optional<String> subName;
 
 	public FeatureNameExtractor( Class<?> clazz, Optional<String> subName )
 	{
@@ -64,7 +64,7 @@ public class FeatureNameExtractor
 				return name.replace( "Quartz", "NetherQuartz" );
 			}
 
-			name += "." + subName;
+			name += '.' + subName;
 		}
 
 		return name;

src/main/java/appeng/core/features/FeaturedActiveChecker.java

@@ -26,7 +26,7 @@ import appeng.core.AEConfig;
 
 public class FeaturedActiveChecker
 {
-	private EnumSet<AEFeature> features;
+	private final EnumSet<AEFeature> features;
 
 	public FeaturedActiveChecker( EnumSet<AEFeature> features )
 	{