@FunctionalInterface public interface StringValueResolver
ConfigurableBeanFactory.ConfigurableBeanFactory.resolveAliases(org.springframework.util.StringValueResolver), 
BeanDefinitionVisitor.BeanDefinitionVisitor(StringValueResolver), 
PropertyPlaceholderConfigurer| Modifier and Type | Method and Description | 
|---|---|
| String | resolveStringValue(String strVal)Resolve the given String value, for example parsing placeholders. | 
@Nullable String resolveStringValue(String strVal)
strVal - the original String value (never null)null when resolved to a null
 value), possibly the original String value itself (in case of no placeholders
 to resolve or when ignoring unresolvable placeholders)IllegalArgumentException - in case of an unresolvable String value