DataSource.xml

<beans xmlns="http://www.springframework.org/schema/beans"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:schemaLocation="http://www.springframework.org/schema/beans
   http://www.springframework.org/schema/beans/spring-beans-2.5.xsd">

   <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
     <property name="location">
        <value>classpath:properties/database.properties</value>
     </property>
   </bean>

   <bean id="dataSourceApplicationDb" 
         class="org.springframework.jdbc.datasource.DriverManagerDataSource">
      <property name="driverClassName" value="${jdbc.driverClassName}" />
      <property name="url" value="${jdbc.url}" />
      <property name="username" value="${jdbc.username}" />
      <property name="password" value="${jdbc.password}" />
   </bean>

</beans>