Spring及びHibernateはProptiesファイルを使用します.

applicationContext.xml   Properties  

< context:property-placeholder   location = "classpath:config/database.properties" />

hibernate-context.xml   Properties  

<bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <property name="locations">
            <list>
                <value>classpath:/datasource.properties</value>
                <value>classpath:/rabbitmq-config.properties</value>
            </list>
        </property>
    </bean>