util properties

beans 에 다음 추가
xmlns:util="http://www.springframework.org/schema/util"
xsi:schemaLocation="http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.1.xsd"

경로 설정
<util:properties id="fileAccessProps" location="classpath:file-access.xml" />

xml 설정 (경로는 src/main/resources)
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE properties SYSTEM "http://java.sun.com/dtd/properties.dtd">
<properties>
    <comment>
        <![CDATA[]]>
    </comment>
    
    <entry key="key">./value</entry>
</properties>

컨트롤러에 사용
@Value("#{fileAccessProps['key']}")
private String key;