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Commit9e5e748

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Spring component scan example
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packagespring_component_scan_example;
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importlombok.Getter;
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importlombok.ToString;
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importorg.springframework.stereotype.Service;
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@Service
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@ToString
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publicclassCareer {
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@Getter
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privateStringjobType;
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@Getter
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privateintjobLevel;
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}
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packagespring_component_scan_example;
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importorg.springframework.stereotype.Repository;
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importlombok.Getter;
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importlombok.Setter;
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importlombok.ToString;
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@Repository
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@ToString
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publicclassCity {
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@Getter
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privateStringcityName;
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@Getter
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privateStringarea;
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}
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packagespring_component_scan_example;
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importorg.springframework.context.support.AbstractApplicationContext;
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importorg.springframework.context.support.ClassPathXmlApplicationContext;
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/**This app is running fine! It helps me understand how component scan works! Cool!
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* Look at this project along with other two:
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* Spring@ResourceAnnotationExample
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* SpringComponentScanExample
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* to help me better understand the three possible ways to do DI using Spring.*/
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publicclassMainApp {
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publicstaticvoidmain(String...args) {
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AbstractApplicationContextcontext =newClassPathXmlApplicationContext("spring_component_scan_example/spring.xml");
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Personp =(Person)context.getBean("person");
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System.out.println(p.getCity().toString());
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System.out.println(p.getWife().toString());
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System.out.println(p.getCareer().toString());
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}
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}
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packagespring_component_scan_example;
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importlombok.Getter;
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importorg.springframework.beans.factory.annotation.Autowired;
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importorg.springframework.stereotype.Service;
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@Service
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publicclassPerson {
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@Getter
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@Autowired
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privateCitycity;
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@Getter
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@Autowired
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privateWifewife;
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@Getter
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@Autowired
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privateCareercareer;
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}
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packagespring_component_scan_example;
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importorg.springframework.stereotype.Component;
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importorg.springframework.stereotype.Repository;
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importlombok.Getter;
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importlombok.Setter;
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importlombok.ToString;
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@Component
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@ToString
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publicclassWife {
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@Setter@Getter
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privateStringname;
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@Setter@Getter
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privateStringfaith;
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}
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<?xml version="1.0" encoding="UTF-8"?>
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<beansxmlns="http://www.springframework.org/schema/beans"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns:context="http://www.springframework.org/schema/context"
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xsi:schemaLocation="http://www.springframework.org/schema/beans
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http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
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http://www.springframework.org/schema/context
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http://www.springframework.org/schema/context/spring-context-3.0.xsd">
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<!-- All magic hides within this line:
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It does a component scan for this package, so any beans that have any one of the following three annotations:
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@Repository, @Service or @Component
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will be scanned and autowired up.
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Also I'll have to put @Autowired annotation on those private fields inside that Person clalss.-->
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<context:component-scanbase-package="spring_component_scan_example"/>
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</beans>

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