/**
    * 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.student.common.util;
  
  import org.kuali.student.common.util.ModPropertyPlaceholderConfigurer.PlaceholderResolvingStringValueResolver;
  import org.springframework.beans.factory.config.BeanDefinitionVisitor;
  import org.springframework.beans.factory.config.TypedStringValue;
  import org.springframework.util.StringValueResolver;
  
  public class ModBeanDefinitionVisitor extends BeanDefinitionVisitor {
  
  	PlaceholderResolvingStringValueResolver valueResolver;
  	
  	public ModBeanDefinitionVisitor(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.resolvePropertyValue(strValue.substring(2, strValue.length()-1));
  		}
  		
  		return value;
  	}
  
  }