Spring Configuration Quick Reference

Spring Configuration Quick Reference

XML NAMESPACES

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

    <!--Bean declarations go here-->

</beans>

<bean id="name" class="package.classname" />


APPLICATION CONTEXT

ApplicationContext ctx = new ClassPathXmlApplicationContext("beans.xml");
MyObject o = (MyObject) ctx.getBean("name");


PROPERTY INJECTION

<bean id="name" class="package.classname">
    <property name="property" value="value" />
    <property name="property" ref="id" />
    <property name="property">
        <bean class="package.classname" />
    </property>
</bean>


CONSTRUCTOR INJECTION

<bean id="name" class="package.classname">
    <constructor-arg value="value" />
    <constructor-arg ref="id" />
</bean>


FACTORY METHODS

<bean id="name" class="package.classname" factory-method="method" />


SCOPING

Make getBean() return a new instance each time:

<bean id="name" class="package.classname" scope="prototype" />
    (default is "singleton")


SETUP AND TEARDOWN

<bean id="name" class="package.classname"
      init-method="init" destroy-method="destroy" />


COLLECTION INJECTION

<bean id="name" class="package.classname">
    <property name="collection">
        <list>
            <ref bean="element" />
            <ref bean="element" />
            <ref bean="element" />
        </list>
    </property>
</bean>

<set> works the same

<map>
    <entry key="name" value=ref="element" />
    <entry key="name" value=ref="element" />
    <entry key="name" value=ref="element" />
</map>

<props>
    <prop key="name">value</prop>
    <prop key="name">value</prop>
    <prop key="name">value</prop>
</props>


INJECTING NULL

<property name="property"><null /> </property>