/*

  * Copyright 2007 The Kuali Foundation

  * 

  * Licensed under the Educational Community License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  * 

  * http://www.opensource.org/licenses/ecl2.php

  * 

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 package org.kuali.rice.kns.util.spring;

 import java.lang.annotation.Annotation;

 import java.lang.reflect.Method;

 import org.springframework.aop.ClassFilter;

 import org.springframework.transaction.annotation.Transactional;

 /**

  * Matches if the annotation specified during construction is present on the class or any of methods returned by class.getMethods().

  */

 public class ClassOrMethodAnnotationFilter implements ClassFilter {

     private final Class<? extends Annotation> annotationType;

     public ClassOrMethodAnnotationFilter(Class<? extends Annotation> annotationType) {

         this.annotationType = annotationType;

     }

     public boolean matches(Class clazz) {

         boolean isAnnotationPresent = clazz.isAnnotationPresent(this.annotationType);

         if (!isAnnotationPresent) {

             for (Method method : clazz.getMethods()) {

                 if (method.isAnnotationPresent(annotationType)) {

                     isAnnotationPresent = true;

 //                    if (Transactional.class.equals(this.annotationType)) {

 //                        throw new RuntimeException("The @Transactional annotation should be specified at the class level and overriden at the method level, if need be.");

 //                    }

                     break;

                 }

             }

         }

         return isAnnotationPresent;

     }

 }