spring+hibernate mapping class without xml

in my applicationContext.xml, this is how I map xml to POJO. how to map directory to class file without required to create xml?

<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="mappingResources">
            <list>
                <value>com/custompackage/custom/spi/hibernate3/HibernateCurrentStep.hbm.xml</value>
                <value>com/custompackage/custom/spi/hibernate3/HibernateHistoryStep.hbm.xml</value>
                 <value>com/custompackage/custom/spi/hibernate3/HibernatecustomEntry.hbm.xml</value>
                  <value>user/custom/hibernate3/PropertySetItemImpl.hbm.xml</value>
                   <value>com/custompackage/user/provider/hibernate3/user/impl/HibernateGroupImpl.hbm.xml</value>
                   <value>com/custompackage/user/provider/hibernate3/user/impl/HibernateUserImpl.hbm.xml</value>
            </list>
        </property>


        <property name="hibernateProperties">
            .....
        </property>
        <property name="dataSource">
            <ref bean="dataSource" />
        </property>

    </bean>