Fix: reading class error in deployment environment (#25)

* fix: read class error in deployment

* chore: delete print log

---------

Co-authored-by: yoonsseo <yellisa2000@gmail.com>

Author: hyunihs

src/main/java/io/swaggy/swagger/customlib/utils/ControllerMethodOrderUtil.java

@@ -4,7 +4,7 @@
 import org.objectweb.asm.tree.ClassNode;
 import org.springframework.web.bind.annotation.*;
 
-
+import java.io.InputStream;
 import java.lang.reflect.Method;
 import java.util.Arrays;
 import java.util.List;
@@ -14,7 +14,12 @@ public class ControllerMethodOrderUtil {
     public static List<Method> getOrderedMethods(Class<?> controllerClass) {
         try {
             // ASM을 사용하여 클래스의 메서드 순서를 읽어옴
-            ClassReader classReader = new ClassReader(controllerClass.getName());
+            InputStream classInputStream = controllerClass.getClassLoader()
+                    .getResourceAsStream(controllerClass.getName().replace('.', '/') + ".class");
+            if (classInputStream == null) {
+                throw new RuntimeException("Class file not found for " + controllerClass.getName());
+            }
+            ClassReader classReader = new ClassReader(classInputStream);
             ClassNode classNode = new ClassNode();
             classReader.accept(classNode, 0);
 
@@ -35,6 +40,7 @@ public static List<Method> getOrderedMethods(Class<?> controllerClass) {
                     })
                     .collect(Collectors.toList());
         } catch (Exception e) {
+            e.printStackTrace();
             throw new RuntimeException("Failed to read class with ASM", e);
         }
     }