/**

  * Copyright 2010 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.osedu.org/licenses/ECL-2.0

  *

  * 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.student.core.config.spring;

 import org.kuali.rice.student.core.config.spring.RiceConfigPropertyPlaceholderConfigurer.PlaceholderResolvingStringValueResolver;

 import org.springframework.beans.factory.config.BeanDefinitionVisitor;

 import org.springframework.beans.factory.config.TypedStringValue;

 import org.springframework.util.StringValueResolver;

 /**

  * This BeanDefinitionVisitor that will allow for injection of Properties objects created

  * from properties of a like prefix identified by a value of $[my.prefix].

  * 

  * example:

  * foo.prop1=bar

  * foo.prop2=foo

  * fooPropertyObject=$[foo.]

  * 

  * results in

  * fooPropertyObject={prop1=bar; prop2=foo} 

  * 

  * @author Kuali Rice Team (rice.collab@kuali.org)

  *

  */

 public class RiceConfigBeanDefinitionVisitor extends BeanDefinitionVisitor {

 //------------------------------------------------------------------------------------

 // begin spring 2.0 compatible impl

 //------------------------------------------------------------------------------------

 //    @Override

 //    protected String resolveStringValue(String strVal) {

 //        return null;

 //    }

 //

 //    protected Properties resolvePropertiesValue(String strVal) {

 //        return null;

 //    }

 //

 //    @Override

 //    protected Object resolveValue(Object value) {

 //        value = super.resolveValue(value);

 //        String strValue = null;

 //

 //        if (value instanceof String) {

 //            strValue = (String) value;

 //        } else if (value instanceof TypedStringValue) {

 //            strValue = ((TypedStringValue) value).getValue();

 //        }

 //

 //        if (strValue != null && strValue.startsWith("$[") && strValue.endsWith("]")) {

 //            value = resolvePropertiesValue(strValue.substring(2, strValue.length() - 1));

 //        }

 //

 //        return value;

 //    }

 //------------------------------------------------------------------------------------

 // end spring 2.0 compatible impl

 //------------------------------------------------------------------------------------

 //------------------------------------------------------------------------------------

 // begin spring 2.5 compatible impl

 //------------------------------------------------------------------------------------

     PlaceholderResolvingStringValueResolver valueResolver;

     public RiceConfigBeanDefinitionVisitor(StringValueResolver valueResolver) {

         super(valueResolver);

         this.valueResolver=(PlaceholderResolvingStringValueResolver) valueResolver;

     }

     @Override

     protected Object resolveValue(Object value) {

         value = super.resolveValue(value);

         String strValue = null;

         if(value instanceof String){

             strValue=(String)value;

         }else if(value instanceof TypedStringValue){

             strValue=((TypedStringValue)value).getValue();

         }

         if(strValue!=null&&strValue.startsWith("$[") && strValue.endsWith("]")){

             value = valueResolver.resolvePropertiesValue(strValue.substring(2, strValue.length()-1));

         }

         return value;

     }

 //------------------------------------------------------------------------------------

 // end spring 2.5 compatible impl

 //------------------------------------------------------------------------------------

 }