Spring Datasource Configuration DataSource in Spring with JNDI and JDBC

Spring Datasource Configuration DataSource in Spring with JNDI and JDBC
Example Configuration for config Database Resource to Spring Session Factory .
Spring Support connect Basic Direct DataSource  or JNDI JndiObjectFactoryBean
datasource-service.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">

<beans>

<!-- Spring properties file config -->
<bean name="propertyPlaceholder"
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<list>
<value>classpath*:db.properties</value>
</list>
</property>
</bean>
<!-- For Direct BasicDataSource--> 
    <bean id="dataSourceBasic"
          class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close" > 
        <property name="driverClassName" value="${db.driverClassName}"/>
        <property name="url" value="${db.url}"/>
        <property name="username" value="${db.username}"/>
        <property name="password" value="${db.password}"/>
    </bean>
     
<!--For JNDI  -->
<bean id="dataSourceJNDI"
    class="org.springframework.jndi.JndiObjectFactoryBean">
    <property name="jndiName" value="${db.jndi}" />
</bean>
</beans>
After config Code you can see
- org.springframework.beans.factory.config.PropertyPlaceholderConfigurer
 This is an optional ... No need.
 I use it to collect config properties from classpath