Multiple PropertyPlaceholder Configuration

multiple-placeholder-config.xml

<mule ...>
...
    <!-- SAP & JDBC Configuration -->
    <spring:bean id="sapProperties" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <!-- Added to support multiple placeholders -->
        <spring:property name="ignoreUnresolvablePlaceholders" value="true" />
        <spring:property name="location" value="classpath:sap.properties"/>
    </spring:bean>

    <spring:bean id="jdbcProperties" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <spring:property name="location" value="classpath:jdbc.properties"/>
    </spring:bean>
...
    <!--
       Code that uses the values inside the properties file. For example, 'database.driver' is a key defined in: jdbc.properties 
    -->

    <!-- JDBC Mappings configuration -->
    <spring:bean id="jdbcDataSource" class="org.enhydra.jdbc.standard.StandardDataSource"
                 destroy-method="shutdown">
        <spring:property name="driverName" value="${database.driver}"/>
        <spring:property name="url" value="${database.connection}"/>
    </spring:bean>

    <!-- SAP Connector -->
    <sap:connector name="SapConnector" jcoClient="${sap.jcoClient}" jcoUser="${sap.jcoUser}" jcoPasswd="${sap.jcoPasswd}"
                   jcoLang="${sap.jcoLang}" jcoAsHost="${sap.jcoAsHost}" jcoSysnr="${sap.jcoSysnr}"
                   jcoTrace="${sap.jcoTrace}" jcoPoolCapacity="${sap.jcoPoolCapacity}" jcoPeakLimit="${sap.jcoPeakLimit}" />
...
</mule>