| 28. 2. 2. Component Filter Assignable |
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File: context.xml |
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<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:context="http://www.springframework.org/schema/context"
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.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">
<context:component-scan base-package="bean">
<context:include-filter type="annotation" expression="bean.Magic"/>
<context:include-filter type="assignable" expression="bean.ComponentMarker"/>
<context:include-filter type="aspectj" expression="* void bean.*Service*(..)"/>
</context:component-scan>
</beans>
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File: Main.java |
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import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class Main {
public static void main(String[] args) throws Exception {
ApplicationContext ac = new ClassPathXmlApplicationContext(
"context.xml");
String[] beanNames = ac.getBeanDefinitionNames();
for (String beanName : beanNames) {
System.out.println(beanName + ": " + ac.getBean(beanName));
}
}
}
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File: ComponentMarker.java |
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package bean;
public interface ComponentMarker {
}
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File: Magic.java |
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package bean;
public @interface Magic {
}
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File: MarkedBean.java |
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package bean;
public class MarkedBean implements ComponentMarker {
@Override
public String toString() {
final StringBuilder sb = new StringBuilder();
sb.append("MarkedBean");
sb.append("{}");
return sb.toString();
}
}
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File: SimpleBean.java |
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package bean;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.util.ObjectUtils;
/**
* @author janm
*/
@Magic
class SimpleBean {
private Dependency dependency;
@Autowired(required = true)
public void setDependency(Dependency dependency) {
this.dependency = dependency;
}
@Override
public String toString() {
final StringBuilder sb = new StringBuilder();
sb.append("SimpleBean");
sb.append(ObjectUtils.identityToString(this));
sb.append("{dependency=").append(dependency);
sb.append('}');
return sb.toString();
}
}
@Component
class Dependency {
@Override
public String toString() {
final StringBuilder sb = new StringBuilder();
sb.append("Dependency");
sb.append(ObjectUtils.identityToString(this));
sb.append("{}");
return sb.toString();
}
}
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 Download: Spring-ComponentFilterAssignable.zip( 4,454 k) |