package org.kuali.spring.util;

 import org.springframework.util.StringValueResolver;

 public class DefaultStringValueResolver implements StringValueResolver {

     PlaceholderStringResolver resolver;

     ValueRetriever retriever;

     String nullValue;

     public DefaultStringValueResolver() {

         this(null, null, null);

     }

     public DefaultStringValueResolver(PlaceholderStringResolver resolver, ValueRetriever retriever, String nullValue) {

         super();

         this.resolver = resolver;

         this.retriever = retriever;

         this.nullValue = nullValue;

     }

     @Override

     public String resolveStringValue(String strVal) {

         String value = resolver.resolve(strVal, retriever);

         return value.equals(nullValue) ? null : value;

     }

     public ValueRetriever getRetriever() {

         return retriever;

     }

     public void setRetriever(ValueRetriever resolver) {

         this.retriever = resolver;

     }

     public String getNullValue() {

         return nullValue;

     }

     public void setNullValue(String nullValue) {

         this.nullValue = nullValue;

     }

     public PlaceholderStringResolver getResolver() {

         return resolver;

     }

     public void setResolver(PlaceholderStringResolver resolver) {

         this.resolver = resolver;

     }

 }