implement ASM ClassVisitor interface directly

org.springframework.core/src/main/java/org/springframework/core/type/classreading/ClassMetadataReadingVisitor.java

@@ -16,9 +16,13 @@
 
 package org.springframework.core.type.classreading;
 
-import org.springframework.asm.ClassAdapter;
+import org.springframework.asm.AnnotationVisitor;
+import org.springframework.asm.Attribute;
+import org.springframework.asm.ClassVisitor;
+import org.springframework.asm.FieldVisitor;
+import org.springframework.asm.MethodVisitor;
 import org.springframework.asm.Opcodes;
-import org.springframework.asm.commons.EmptyVisitor;
+
 import org.springframework.core.type.ClassMetadata;
 import org.springframework.util.ClassUtils;
 
@@ -33,7 +37,7 @@ import org.springframework.util.ClassUtils;
  * @author Ramnivas Laddad
  * @since 2.5
  */
-class ClassMetadataReadingVisitor extends ClassAdapter implements ClassMetadata {
+class ClassMetadataReadingVisitor implements ClassVisitor, ClassMetadata {
 
 	private String className;
 
@@ -49,12 +53,7 @@ class ClassMetadataReadingVisitor extends ClassAdapter implements ClassMetadata
 
 	private String[] interfaces;
 	
-	public ClassMetadataReadingVisitor()
-	{
-		super(new EmptyVisitor());
-	}
 
-	@Override
 	public void visit(int version, int access, String name, String signature, String supername, String[] interfaces) {
 		this.className = ClassUtils.convertResourcePathToClassName(name);
 		this.isInterface = ((access & Opcodes.ACC_INTERFACE) != 0);
@@ -68,12 +67,10 @@ class ClassMetadataReadingVisitor extends ClassAdapter implements ClassMetadata
 		}
 	}
 
-	@Override
 	public void visitOuterClass(String owner, String name, String desc) {
 		this.enclosingClassName = ClassUtils.convertResourcePathToClassName(owner);
 	}
 
-	@Override
 	public void visitInnerClass(String name, String outerName, String innerName, int access) {
 		if (outerName != null && this.className.equals(ClassUtils.convertResourcePathToClassName(name))) {
 			this.enclosingClassName = ClassUtils.convertResourcePathToClassName(outerName);
@@ -81,6 +78,33 @@ class ClassMetadataReadingVisitor extends ClassAdapter implements ClassMetadata
 		}
 	}
 
+	public void visitSource(String source, String debug) {
+		// no-op
+	}
+
+	public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
+		// no-op
+		return null;
+	}
+
+	public void visitAttribute(Attribute attr) {
+		// no-op
+	}
+
+	public FieldVisitor visitField(int access, String name, String desc, String signature, Object value) {
+		// no-op
+		return null;
+	}
+
+	public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
+		// no-op
+		return null;
+	}
+
+	public void visitEnd() {
+		// no-op
+	}
+
 
 	public String getClassName() {
 		return this.className;