<profiles>
    <profile>
        <id>devel</id>
        <properties>
            <appPropVer>DEV</appPropVer>
        </properties>
    </profile>
</profiles>

plugins (pom.xml):

<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-war-plugin</artifactId>
    <version>2.6</version>
    <configuration>
        <webResources>
            <resource>
                <filtering>true</filtering>
                <directory>src/main/resources/appProperties/${appPropVer}</directory>
                <includes>
                    <include>**/*.properties</include>
                </includes>
                <targetPath>/WEB-INF/classes/appProperties</targetPath>
            </resource>
        </webResources>
    </configuration>
</plugin>

servlet context:

<bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
    <property name="locations">
        <list>
            <value>classpath:appProperties/global.properties</value>
        </list>
    </property>
</bean>