使用策略模式重构DruidStatManagerFacade.java。

src/main/java/com/alibaba/druid/util/ReflectionUtils.java

@@ -7,49 +7,86 @@ import javax.servlet.http.HttpServletRequest;
 /**
  * @author sandzhang<sandzhangtoo@gmail.com>
  */
-public class ReflectionUtils {
+public class ReflectionUtils
+{
 
-    public static Class<?> getClassFromWebContainerOrCurrentClassLoader(String className) {
+    public static Class<?> getClassFromWebContainerOrCurrentClassLoader(String className)
+    {
         Class<?> result = null;
-        try {
+        try
+        {
             result = HttpServletRequest.class.getClassLoader().loadClass(className);
-        } catch (ClassNotFoundException e) {
         }
-        if (result == null) {
-            try {
+        catch (ClassNotFoundException e)
+        {
+        }
+        if (result == null)
+        {
+            try
+            {
                 result = Thread.currentThread().getContextClassLoader().loadClass(className);
-            } catch (ClassNotFoundException e) {
+            }
+            catch (ClassNotFoundException e)
+            {
             }
         }
         return result;
     }
 
-    public static Object callStaticMethod(Class<?> classObject, String methodName) {
 
-        try {
+    public static Object callStaticMethod(Class<?> classObject, String methodName)
+    {
+
+        try
+        {
             Method m = classObject.getMethod(methodName);
             return m.invoke(classObject);
-        } catch (Exception e) {
+        }
+        catch (Exception e)
+        {
             return null;
         }
     }
 
-    public static Object callObjectMethod(Object obj, String methodName) {
 
-        try {
+    public static Object callObjectMethod(Object obj, String methodName)
+    {
+
+        try
+        {
             Method m = obj.getClass().getMethod(methodName);
             return m.invoke(obj);
-        } catch (Exception e) {
+        }
+        catch (Exception e)
+        {
             return null;
         }
     }
 
-    public void getTest() {
+
+    public static Object callObjectMethod(Object obj, String methodName, Object methodParam)
+    {
+        try
+        {
+            Method m = obj.getClass().getMethod(methodName);
+            return m.invoke(obj,methodParam);
+        }
+        catch (Exception e)
+        {
+            return null;
+        }
+    }
+
+
+    public void getTest()
+    {
         System.out.println("dd");
         // return "test";
     }
 
-    public static void main(String args[]) {
+
+    public static void main(String args[])
+    {
         System.out.println(callObjectMethod(new ReflectionUtils(), "getTest"));
 
     }