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;

         }

 }