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i did not know that spring can mix configurations. here is the detailed and very useful example. Bean1 is the actual bean we're configuring. <pre><code>package spring; import javax.annotation.PostConstruct; import javax.annotation.PreDestroy; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Qualifier; import org.springframework.stereotype.Component; @Component public class Bean1 { private String naber; @Autowired @Qualifier("FireImpl1") private Fire fire; @PostConstruct public void init() { System.out.println("init"); getFire().fire(); } @PreDestroy public void destroy() { System.out.println("destroy"); } public void setNaber(String naber) { this.naber = naber; } public String getNaber() { return naber; } public void setFire(Fire fire) { this.fire = fire; } public Fire getFire() { return fire; } } </code></pre> Fire is dependency interface <pre><code>package spring; public interface Fire { public void fire(); } </code></pre> and dummy implementation 1 <pre><code>package spring; import org.springframework.beans.factory.annotation.Qualifier; import org.springframework.stereotype.Component; @Component @Qualifier("FireImpl1") public class FireImpl1 implements Fire { public void fire() { System.out.println(getClass()); } } </code></pre> and dummy implementation 2 <pre><code>package spring; import org.springframework.beans.factory.annotation.Qualifier; import org.springframework.stereotype.Component; @Component @Qualifier("FireImpl2") public class FireImpl2 implements Fire { public void fire() { System.out.println(getClass()); } } </code></pre> config.xml <pre><code><beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context" xmlns:jee="http://www.springframework.org/schema/jee" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation=" http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-2.5.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd"> <context:component-scan base-package="spring" /> <bean id="bean1" class="spring.Bean1"> <property name="naber" value="nice" /> <property name="fire" ref="fireImpl2" /> </bean> </beans> </code></pre> and main class <pre><code>package spring; import org.springframework.context.support.ClassPathXmlApplicationContext; public class Spring { public static void main(String[] args) { ClassPathXmlApplicationContext applicationContext = new ClassPathXmlApplicationContext("/spring/config.xml"); applicationContext.registerShutdownHook(); Bean1 bean = (Bean1) applicationContext.getBean("bean1"); System.out.println(bean.getNaber()); } } </code></pre> here is the output <pre><code>init class spring.FireImpl2 nice destroy </code></pre> Although annotation resolves dependency to FireImpl1, xml config overrided with FireImpl2. very nice.
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