empire-db-examples/empire-db-example-spring/src/main/resources/applicationContext.xml

<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xsi:schemaLocation="
       	http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
       	http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
		http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd">


    <!-- one option is to use a class from spring that will read the properties file
         and replaces the ${...} placeholders with the appropriate values -->
    <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <property name="locations">
            <value>classpath:/settings.properties</value>
        </property>
    </bean>

    <!-- Data Source / DB Settings -->
    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
        <property name="driverClassName" value="${jdbc.driverClass}"/>
        <property name="url" value="${jdbc.url}"/>
        <property name="username" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>
    </bean>

    <!-- Transaction manager for a single JDBC DataSource (alternative to JTA) -->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <constructor-arg ref="dataSource"/>
    </bean>
    <bean id="transactionTemplate" class="org.springframework.transaction.support.TransactionTemplate">
        <property name="transactionManager" ref="transactionManager"/>
    </bean>

    <!-- @Transactional -->
    <tx:annotation-driven transaction-manager="transactionManager"/>

    <!-- Empire-DB classes -->
    <bean id="driverFactory" class="org.apache.empire.samples.spring.support.EmpireDriverFactory">
        <property name="dataSource" ref="dataSource" />
    </bean>
    <bean id="databaseDriver" factory-bean="driverFactory" factory-method="createDriver">
        <constructor-arg value="${empire.driver}"/>
        <constructor-arg value="${empire.schemaname}"/>
    </bean>
    <bean id="sampleDatabase" class="org.apache.empire.samples.spring.db.SampleDB">
    </bean>

    <!-- application dao/services -->
    <bean id="empireApp" class="org.apache.empire.samples.spring.EmpireAppImpl">
        <property name="dataSource" ref="dataSource"/>
        <property name="database" ref="sampleDatabase"/>
        <property name="databaseDriver" ref="databaseDriver"/> 
    </bean>
</beans>