@PostConstruct, @PreDestroy

@PostConstruct :

  - 의존하는 객체를 설정한 이후에 초기화 작업을 수행할 메서드에 적용

  - init-method 속성과 같음

 

@PreDestroy :

  - 컨테이너에서 객체를 제거하기 전에 호출 될 메서드에 적용

  - destroy-method 속성과 같음

 

 

AbstractServiceImpl.java 

package service; public class AbstractServiceImpl implements AbstractService {  private String name = "111";    @Override  public String getClassName() {   // TODO Auto-generated method stub   return "AbstractServiceImpl-" + name;  } }

 

AbstractServiceImpl02.java

package service; public class AbstractServiceImpl02 implements AbstractService {  private String name = "222";    @Override  public String getClassName() {   // TODO Auto-generated method stub   return "AbstractServiceImpl-" + name;  } }

 

AbstractController.java

package controller; import javax.annotation.PostConstruct; import javax.annotation.PreDestroy; import javax.annotation.Resource; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Qualifier; import org.springframework.web.servlet.ModelAndView; import service.AbstractService; public class AbstractController extends   org.springframework.web.servlet.mvc.AbstractController {    @Resource(name="abstractService02")  private AbstractService service;    @PostConstruct  public void postCon(){   System.out.println("PostConstruct");  }    @PreDestroy  public void preDes(){   System.out.println("PreDestroy");  }    @Override  protected ModelAndView handleRequestInternal(HttpServletRequest arg0,    HttpServletResponse arg1) throws Exception {   // TODO Auto-generated method stub      System.out.println("START >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>");   System.out.println(service.getClassName());   System.out.println("END >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>");      return null;  } }

 

spring301-servlet.xml

<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans"  xmlns:context="http://www.springframework.org/schema/context"  xmlns:p="http://www.springframework.org/schema/p"  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        http://www.springframework.org/schema/context        http://www.springframework.org/schema/context/spring-context-3.0.xsd">  <context:annotation-config/>    <!-- HandlerMapping 설정 -->  <bean id="simpleUrlHandlerMapping" class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">   <property name="mappings">    <props>     <prop key="/abstract.sp">abstractController</prop>    </props>   </property>  </bean>    <!-- 각종 bean 설정 -->  <bean id="abstractController" class="controller.AbstractController"></bean>    <bean id="abstractService01" class="service.AbstractServiceImpl"></bean>  <bean id="abstractService02" class="service.AbstractServiceImpl02"></bean>   </beans>

 

 

※log 

2012. 4. 25 오전 12:59:33 org.apache.catalina.core.AprLifecycleListener init 정보: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Java\jdk1.6.0_30\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:/Java/jdk1.6.0_30/bin/../jre/bin/client;C:/Java/jdk1.6.0_30/bin/../jre/bin;C:/Java/jdk1.6.0_30/bin/../jre/lib/i386;C:\Java\jdk1.6.0_30\bin;C:\Java\apache-tomcat-6.0.29\bin;C:\Program Files\NVIDIA Corporation\PhysX\Common;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\Common Files\Acronis\SnapAPI\;C:\Users\snoopy\AppData\Local\Bandizip\7z;C:\Program Files\IDM Computer Solutions\UltraCompare\;C:\eclipse_spring;;. 2012. 4. 25 오전 12:59:33 org.apache.tomcat.util.digester.SetPropertiesRule begin 경고: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:spring301' did not find a matching property. 2012. 4. 25 오전 12:59:33 org.apache.coyote.http11.Http11Protocol init 정보: Initializing Coyote HTTP/1.1 on http-8080 2012. 4. 25 오전 12:59:33 org.apache.catalina.startup.Catalina load 정보: Initialization processed in 368 ms 2012. 4. 25 오전 12:59:33 org.apache.catalina.core.StandardService start 정보: Starting service Catalina 2012. 4. 25 오전 12:59:33 org.apache.catalina.core.StandardEngine start 정보: Starting Servlet Engine: Apache Tomcat/6.0.29 log4j:WARN No appenders could be found for logger (org.springframework.web.filter.CharacterEncodingFilter). log4j:WARN Please initialize the log4j system properly. 2012. 4. 25 오전 12:59:33 org.apache.catalina.core.ApplicationContext log 정보: Initializing Spring FrameworkServlet 'spring301' PostConstruct 2012. 4. 25 오전 12:59:34 org.apache.coyote.http11.Http11Protocol start 정보: Starting Coyote HTTP/1.1 on http-8080 2012. 4. 25 오전 12:59:34 org.apache.jk.common.ChannelSocket init 정보: JK: ajp13 listening on /0.0.0.0:8009 2012. 4. 25 오전 12:59:34 org.apache.jk.server.JkMain start 정보: Jk running ID=0 time=0/15  config=null 2012. 4. 25 오전 12:59:34 org.apache.catalina.startup.Catalina start 정보: Server startup in 1172 ms START >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> AbstractServiceImpl-222 END >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 2012. 4. 25 오전 12:59:41 org.apache.coyote.http11.Http11Protocol pause 정보: Pausing Coyote HTTP/1.1 on http-8080 2012. 4. 25 오전 12:59:42 org.apache.catalina.core.StandardService stop 정보: Stopping service Catalina PreDestroy