Make immutable private static field final

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/proxy/trunk@1582285 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/cglib/src/main/java/org/apache/commons/proxy2/cglib/CglibProxyFactory.java b/cglib/src/main/java/org/apache/commons/proxy2/cglib/CglibProxyFactory.java
index d81fbc9..e47357c 100644
--- a/cglib/src/main/java/org/apache/commons/proxy2/cglib/CglibProxyFactory.java
+++ b/cglib/src/main/java/org/apache/commons/proxy2/cglib/CglibProxyFactory.java
@@ -45,7 +45,7 @@
     // Fields

     //******************************************************************************************************************

 

-    private static CallbackFilter callbackFilter = new CglibProxyFactoryCallbackFilter();

+    private static final CallbackFilter CALLBACKFILTER = new CglibProxyFactoryCallbackFilter();

 

     //******************************************************************************************************************

     // ProxyFactory Implementation

@@ -62,7 +62,7 @@
         enhancer.setClassLoader(classLoader);

         enhancer.setInterfaces(toInterfaces(proxyClasses));

         enhancer.setSuperclass(getSuperclass(proxyClasses));

-        enhancer.setCallbackFilter(callbackFilter);

+        enhancer.setCallbackFilter(CALLBACKFILTER);

         enhancer.setCallbacks(new Callback[] { new ObjectProviderDispatcher(targetProvider), new EqualsHandler(),

                 new HashCodeHandler() });

         return (T) enhancer.create();

@@ -79,7 +79,7 @@
         enhancer.setClassLoader(classLoader);

         enhancer.setInterfaces(toInterfaces(proxyClasses));

         enhancer.setSuperclass(getSuperclass(proxyClasses));

-        enhancer.setCallbackFilter(callbackFilter);

+        enhancer.setCallbackFilter(CALLBACKFILTER);

         enhancer.setCallbacks(new Callback[] { new InterceptorBridge(target, interceptor), new EqualsHandler(),

                 new HashCodeHandler() });

         return (T) enhancer.create();

@@ -95,7 +95,7 @@
         enhancer.setClassLoader(classLoader);

         enhancer.setInterfaces(toInterfaces(proxyClasses));

         enhancer.setSuperclass(getSuperclass(proxyClasses));

-        enhancer.setCallbackFilter(callbackFilter);

+        enhancer.setCallbackFilter(CALLBACKFILTER);

         enhancer.setCallbacks(

                 new Callback[] { new InvokerBridge(invoker), new EqualsHandler(), new HashCodeHandler() });

         return (T) enhancer.create();