Groovy DSL을 통한 외부 빈 설정을 지원한다.
Spring 4 sandbox Groovy
Using Groovy Based Spring Configuration
Spring 4: Groovy DSL bean definition
GroovyWebApplicationContext
사용법 org.springframework.web.context.ContextLoaderListener
<context-param>
<param-name>contextClass</param-name>
<param-value>org.springframework.web.context.support.GroovyWebApplicationContext</param-value>
</context-param>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>WEB-INF/applicationContext.groovy</param-value>
</context-param>