Generally, in spring hibernate integration or struts hibernate integration we set data source class for integration. Here is a example of spring hibernate integration- dispatcher-servelet.xml configration file.This is saved in WEB-INF -

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
    xmlns:tx="http://www.springframework.org/schema/tx"
    xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.0.xsd">

    <!-- Enable annotation driven controllers, validation etc... -->
    <!-- Spring Web Mapping -->
    <context:component-scan base-package="net.roseindia.controller" />


    <bean id="viewResolver"
        class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix">
            <value>/WEB-INF/views/</value>
        </property>
        <property name="suffix">
            <value>.jsp</value>
        </property>
    </bean>

    <!-- Spring Web Mapping End-->

    <!-- Spring Hibernate Mapping -->

    <bean id="dataSource"
        class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName" value="com.mysql.jdbc.Driver" />
        <property name="url" value="jdbc:mysql://localhost:3306/spring_hibernate" />
        <property name="username" value="root" />
        <property name="password" value="root" />
    </bean>

    <bean id="sessionFactory"
        class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
        <property name="dataSource" ref="dataSource" />
        <property name="annotatedClasses">
            <list>
                <value>net.roseindia.domain.Student</value>
            </list>
        </property>
        <property name="hibernateProperties">
            <props>
                <prop key="hibernate.dialect">org.hibernate.dialect.HSQLDialect</prop>
                <prop key="hibernate.show_sql">true</prop>
                <prop key="hibernate.hbm2ddl.auto">none</prop>
            </props>
        </property>
    </bean>

    <!-- Spring Message Resources Mapping End-->
    <bean id="studentDao" class="net.roseindia.dao.daoImpl.StudentDaoImpl">
        <property name="sessionFactory" ref="sessionFactory" />
    </bean>
<bean id="service" class="net.roseindia.services.impl.StudentServiceImpl">
        <property name="studentDao" ref="studentDao" />
    </bean>


</beans>