/*
    * Copyright 2007-2008 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.reflect.Method;
  
  import org.apache.commons.beanutils.PropertyUtils;
  import org.springframework.transaction.annotation.AnnotationTransactionAttributeSource;
  import org.springframework.transaction.interceptor.NameMatchTransactionAttributeSource;
  import org.springframework.transaction.interceptor.TransactionAttribute;
  
  /**
   * Classes are not considered for name matching, if they do not have the specified annotation on the class or method. However, the
   * name matching takes precendence, if they do.
   */
  public class AnnotationAndNameMatchingTransactionAttributeSource extends NameMatchTransactionAttributeSource {
      private AnnotationTransactionAttributeSource annotationTransactionAttributeSource;
      private Integer transactionTimeout;
  
      /**
       * @see org.springframework.transaction.interceptor.NameMatchTransactionAttributeSource#getTransactionAttribute(java.lang.reflect.Method,
       *      java.lang.Class)
       */
      @Override
      public TransactionAttribute getTransactionAttribute(Method method, Class targetClass) {
          TransactionAttribute transactionAttribute = annotationTransactionAttributeSource.getTransactionAttribute(method, targetClass);
          if (transactionAttribute != null) {
              TransactionAttribute overridingTransactionAttribute = super.getTransactionAttribute(method, targetClass);
              if (overridingTransactionAttribute != null) {
                  transactionAttribute = overridingTransactionAttribute;
              }
          }
          setTimeout(transactionAttribute);
          return transactionAttribute;
      }
  
      /**
       * Sets the annotationTransactionAttributeSource attribute value.
       *
       * @param annotationTransactionAttributeSource The annotationTransactionAttributeSource to set.
       */
      public void setAnnotationTransactionAttributeSource(AnnotationTransactionAttributeSource annotationTransactionAttributeSource) {
          this.annotationTransactionAttributeSource = annotationTransactionAttributeSource;
      }
  
      public void setTransactionTimeout(Integer transactionTimeout) {
          this.transactionTimeout = transactionTimeout;
      }
  
      /**
       * If the TransactionAttribute has a setTimeout() method, then this method will invoke it and pass the configured
       * transaction timeout.  This is to allow for proper setting of the transaction timeout on a JTA transaction.
       */
      protected void setTimeout(TransactionAttribute transactionAttribute) {
          try {
              if (transactionTimeout != null) {
                  PropertyUtils.setSimpleProperty(transactionAttribute, "timeout", new Integer(transactionTimeout));
              }
          } catch (Exception e) {
              // failed to set the timeout
          }
      }
  }