diff --git a/fine-jackson/src/com/fr/third/fasterxml/jackson/databind/type/ClassFactory.java b/fine-jackson/src/com/fr/third/fasterxml/jackson/databind/type/ClassFactory.java
new file mode 100644
index 000000000..3b8183486
--- /dev/null
+++ b/fine-jackson/src/com/fr/third/fasterxml/jackson/databind/type/ClassFactory.java
@@ -0,0 +1,11 @@
+package com.fr.third.fasterxml.jackson.databind.type;
+
+/**
+ * Created by juhaoyu on 2018/11/5.
+ */
+public interface ClassFactory {
+
+    Class<?> classForName(String className);
+
+    Class<?> classForName(String className, ClassLoader classLoader);
+}
\ No newline at end of file
diff --git a/fine-jackson/src/com/fr/third/fasterxml/jackson/databind/type/TypeFactory.java b/fine-jackson/src/com/fr/third/fasterxml/jackson/databind/type/TypeFactory.java
index 1978466a9..9d9455cb6 100644
--- a/fine-jackson/src/com/fr/third/fasterxml/jackson/databind/type/TypeFactory.java
+++ b/fine-jackson/src/com/fr/third/fasterxml/jackson/databind/type/TypeFactory.java
@@ -138,12 +138,19 @@ public final class TypeFactory
      */
     protected final ClassLoader _classLoader;
 
+    private ClassFactory classFactory;
+
     /*
     /**********************************************************
     /* Life-cycle
     /**********************************************************
      */
 
+    public void setClassFactory(ClassFactory classFactory) {
+
+        this.classFactory = classFactory;
+    }
+
     private TypeFactory() {
         _parser = new TypeParser(this);
         _modifiers = null;
@@ -278,10 +285,17 @@ public final class TypeFactory
     
     protected Class<?> classForName(String name, boolean initialize,
                                    ClassLoader loader) throws ClassNotFoundException {
+        if (classFactory != null) {
+            return classFactory.classForName(name, loader);
+        }
     	return Class.forName(name, true, loader);
     }
     
     protected Class<?> classForName(String name) throws ClassNotFoundException {
+
+        if (classFactory != null) {
+            return classFactory.classForName(name);
+        }
         return Class.forName(name);
     }