Using external message resource file in Spring ReloadableResourceBundleMessageSource.

gistfile1.txt

<!-- MessageSource -->
<!-- /usr/local/conf/app/messages/messages_en_US.properties -->
<beans:bean id="messageSource"
    class="org.springframework.context.support.ReloadableResourceBundleMessageSource">
    <beans:property name="basename">
        <beans:value>file:/usr/local/conf/app/messages/messages</beans:value>
    </beans:property>
    <beans:property name="cacheSeconds" value="600" />
</beans:bean>