Spring context:component-scan中使用context:include-filter和context:exclude-filter

Spring context:component-scan中使用context:include-filter和context:exclude-filter

XML:

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.springframework.org/schema/beans"
xmlns:p="http://www.springframework.org/schema/p" xmlns:util="http://www.springframework.org/schema/util"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.1.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.1.xsd"> <context:component-scan base-package="com.stono.sprtest">
<context:include-filter type="assignable" expression="com.stono.sprtest.InstrumentI" />
<context:exclude-filter type="annotation" expression="com.stono.sprtest.SkipIt"/>
</context:component-scan>
</beans>

AppBean:

package com.stono.sprtest;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class AppBeans7 {
@SuppressWarnings("resource")
public static void main(String[] args) {
ApplicationContext context = new ClassPathXmlApplicationContext("appbeans7.xml");
Singer2 singer2 = (Singer2) context.getBean("singer");
System.out.println(singer2);
// Object bean = context.getBean("cymbal"); // 已经把Cymbal排除了；
// System.out.println(bean);
}
}

Annotation:

package com.stono.sprtest;

public @interface SkipIt {
}

POJO:

package com.stono.sprtest;

@SkipIt
public class Cymbal implements InstrumentI {
}

package com.stono.sprtest;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

@Component("singer")
public class Singer2 {
@Autowired
// @Component标注的类，其Id是camel-casing类名；两个Intrument接口实现类，必须指定其中的一个；
@Qualifier("saxophone")
private InstrumentI instrument;
@Value("justValue2")
private String name;
@Override
public String toString() {
return "Singer2 [instrument=" + instrument + ", name=" + name + "]";
}
}