개발은 전투다

<context:component-scan base-package=“controller”></context:component-scan>

<bean name=“noticeDao” class=“dao.NoticeDao”> // Autowired 어노테이션을 통해서 자동 매핑됨.

// CustomerController.java

package controllers;

@Controller

@RequestMapper(“/customer/*”)

public class CustomerController {

    private NoticeDao noticeDao;

    @Autowired

    public void setNoticeDao(NoticeDao noticeDao) {

        this.noticeDao = noticeDao;

    }

    @RequestMapping(“notice.oz”)

    public String notices(String pg, String f, String q, Model model) throws ClassNotFoundException {

        int page = 1;

        String field = “TITLE”;

        String query = “%%”

        if(pg == null && pg.equals(“”))            page = Integer.parseInt(pg);

        if(f == null && f.equals(“”))                 field = _field;

        if(q == null && q.equals(“”))               query = _query;

        List<Notice> list = noticeDao.getNotices(page, field, query); // 페이지번호, 검색항목, 검색어

        mv.addObject(“listData”, list);

        return “notice.jsp“; // VIEW로 사용되는 페이지 문자열(String)

    }

    @RequestMapping(“noticeDetail.oz”) // 게시물 상세 내용 보기

    public String noticeDetail(String seq, Model model) throws ClassNotFoundException {

        Notice notice = noticeDao.getNotice(seq);

        model.addAttribute(“notice”, notice);

        return “noticeDetail.jsp“;
    }

    @RequestMapping(“noticeReg.oz”) // 게시물 등록

    public String noticeReg(Notice n /* String title, String content */) throws ClassNotFoundException {

        /* Notice n = new Notice();

        n.setTitle(title);

        n.setContent(content); */

        noticeDao.insert(n);

        return “redirect:notice.oz“;
    }

    @RequestMapping(“noticeEdit.oz”) // 게시물 수정

    public String noticeEdit(Notice n /* String title, String content */) throws ClassNotFoundException {

        /* Notice n = new Notice();

        n.setTitle(title);

        n.setContent(content); */

        noticeDao.update(n);       

        return “redirect:noticeDetail.oz?seq=“ + n.getSeq();
    }

}

// NoticeController.java // 공지사항 리스트

package controllers.customer;

public class NoticeController implements Controller { // 스프링이 제공 (Controller)

    private NoticeDao noticeDao;

    public void setNoticeDao(NoticeDao noticeDao) { // setter

        this.noticeDao = noticeDao;

    }

    @Override

    public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response)

        throws Exception {

        String _page = request.getParameter("pg");

        String _field = request.getParameter("f");

        String _query = request.getParameter("q");

        int page = 1;

        String field = "TITLE";

        String query = "%%"

        if(_page == null && _page.equals(""))            page = Integer.parseInt(_page);

        if(_field == null && _field.equals(""))               field = _field;

        if(_query == null && _query.equals(""))          query = _query;

        List<Notice> list = noticeDao.getNotices(page, field, query); // 페이지번호, 검색항목, 검색어    

        ModelAndView mv = new ModelAndView("notice.jsp");

        mv.addObject("listData", list);

        return mv;

    }

}

실행 호출 : notice.tst?pg={param.pg}&f={param.f}&q={param.q}

실행 결과 : 공지사항 리스트 정보 (listData)

package controllers.customer;

public class NoticeDetailController implements Controller { // 스프링이 제공 (Controller)

    private NoticeDao noticeDao;

    public void setNoticeDao(NoticeDao noticeDao) { // setter

        this.noticeDao = noticeDao;

    }

    @Override

    public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response)

        throws Exception {

        String seq = request.getParameter("seq");

        Notice notice = noticeDao.getNotice(seq);

        ModelAndView mv = new ModelAndView("noticeDetail.jsp");

        mv.addObject("noticeData", notice);

        return mv;

    }

}

실행 호출 : noticeDetail.tst?pg={param.pg}&f={param.f}&q={param.q}

실행 결과 : noticeData 객체를 페이지에 전달하여 적절한 내용을 출력함.

<bean name="noticeDao" class="dao.NoticeDao">

// 빈 객체 생성하고 값(레퍼런스)를 주입.

// setNoticeDao() 호출을 통한 값(레퍼런스) 배정 (value or ref )

<bean name="customer/notice.tst" class="controllers.customer.NoticeController">

    <property name="noticeDao" ref="noticeDao"></property>

</bean>

<bean name="customer/noticeDetail.tst" class="controllers.customer.NoticeDetailController">

    <property name="noticeDao" ref="noticeDao"></property>

</bean>

// noticeDetail.jsp // 공지사항 상세 정보 표시 페이지

<div id=notice-article-detail">

    <dl class="article-detail-row">

        <dt class="article-detail-title">제목</dt>

        <dd class="article-detail-data">

            ${notice.title}

        </dd>

    </dl>  

 <dl class="article-detail-row">

        <dt class="article-detail-title">작성일</dt>

        <dd class="article-detail-data">

            ${notice.regDate}

        </dd>

    </dl>  

    …

</div>

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> // core library

<table>

<tbody>

<c:forEach var="n" items="${listData}">

    <tr>

        <td class="seq">${n.seq}</td> // n.getSeq();

        <td class="title"><a href="noticeDetail.tst?seq=${n.seq}">${n.title}</td>

        <td class="writer">${n.writer}</td>

        <td class="writer">${n.regDate}</td>

        <td class="writer">${n.hit}</td>

   </tr>

</c:forEach>

</tbody>

</table>

<servlet>

    <servlet-name>dispatcher</servlet-name>

    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

</servlet>

<servlet-mapping>

    <servlet-name>dispatcher</servlet-name>

    <url-pattern>*.oz</url-pattern>

</server-mapping>

// dispatcher-servlet.xml // 어떤 URL을 어떤 클래스에 매핑할 것인가?

<bean name="customer/notice.oz" class="controllers.customer.NoticeController"></bean>

// NoticeController.java

package controllers.customer;

public class NoticeController implements Controller { // 스프링이 제공 (Controller)

    @Override

    public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response)

         throws Exception  {

        ModelAndView mv = new ModelAndView("notice.jsp");

        mv.addObject("test", "hello");

        return mv;

    }

}

// notice.jsp

<div id="main"><h2>테스트 값 : ${test}</h2></div>

// 실행 및 결과

URL Call : localhost/customer/notice.oz   => 화면 출력 : hello

    Object postProcessBeforeInitialization(Object bean, String name) throws BeansException;

    Object postProcessAfterInitialization(Object bean, String name) trhows BeansException;

public class Foo implements BeanPostProcessor {

    public void method1() {

        // 어떠한 작업..

    }

    Object postProcessBeforeInitialization(Object bean, String name) throws BeansException {

        // 초기화 되기 전 처리

    }

    Object postProcessAfterInitialization(Object bean, String name) throws BeansException; {

        // 초기화 된 후 처리

    }

BeanFactory factory = new XmlBeanFactory(resource);

BeanPostProcess foo = new Foo();

Factory.addBeanPostProcessor(fool);

<bean id="foo" class="com.sample.Foo" />