spring multiple property file - spring

Question

I have a spring project. There are two property files. one property file is config in dbConfig.xml and I cannot change it. I have my own appConfig.xml
I have the following in it
<util:properties id="configProps" location="classpath:spring/config.properties" />
<bean id="createDummyDataTask" class="com.merc.spring.CreateDummyData" scope="step">
<property name="srcFolder" value="${configProps.srcDir}"/>
</bean>
using either srcDir or configProps.srcDir does not seem to work.

Answer 1

${} works only for property files loaded by the context:propertyplaceholder. If you are using spring 3.0 you can use #{} which is processed as a Spel (spring expression language). The following should work.
<util:properties id="configProps" location="classpath:spring/config.properties" />
<bean id="createDummyDataTask" class="com.merc.spring.CreateDummyData" scope="step">
<property name="srcFolder" value="#{configProps.srcDir}"/>
</bean>

Answer 2

Here how we resolved it
Context.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-2.0.xsd">
<import resource="Settings.xml"/>
<import resource="Database.xml"/>
</beans>
Settings.xml
In the list many property file could be added
<?xml version="1.0" encoding="UTF-8"?>
<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-2.0.xsd">
<bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<list>
<value>db.properties</value>
</list>
</property>
</bean>
</beans>
Sample bean for processing db.properties file
Database.xml
<?xml version="1.0" encoding="UTF-8"?>
<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-2.0.xsd">
<!-- the transaction manager -->
<bean id="dstxnManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="appDataSource"/>
</bean>
<!-- the DataSource (parameterized for configuration via a PropertyPlaceHolderConfigurer) -->
<bean id="appDataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" lazy-init="false">
<property name="driverClass" value="${driverClass}" />
<property name="jdbcUrl" value="${jdbcUrl}" />
<property name="user" value="${username}" />
<property name="password" value="${password}" />
</bean>
<!-- DB connection factory -->
<bean id="storageDaoFactory" class="com.dao.StorageDAOFactory">
<constructor-arg><ref bean="dstxnManager"/></constructor-arg>
</bean>
</beans>