커스텀 View - 파일 다운로드(AbstractView)

 

☆ 전체소스 : spring304.zip

 

 

FileDownloadController.java

package sp.mvc.controller; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.servlet.ModelAndView;   @Controller public class FileDownloadController {  @RequestMapping(value="/filedown.sp")  public ModelAndView fileDownload(){   System.out.println("----- FileDownloadController.fileDownload() -----");      ModelAndView modelAndView = new ModelAndView("filedownload");   return modelAndView;  } }

 

FileDownloadView.java

package sp.mvc.view; import java.io.FileInputStream; import java.io.IOException; import java.io.OutputStream; import java.net.URLEncoder; import java.util.Map; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.springframework.util.FileCopyUtils; import org.springframework.web.servlet.view.AbstractView;   public class FileDownloadView extends AbstractView {    public FileDownloadView(){   setContentType("application/download; ccharset=utf-8");  }    @Override  protected void renderMergedOutputModel(Map<String, Object> model,    HttpServletRequest req, HttpServletResponse res) throws Exception {   // TODO Auto-generated method stub   System.out.println("---- FileDownloadView.renderMergedOutputModel() ----");      java.io.File file = new java.io.File("C:\\Ins.log");      res.setContentType(getContentType());   res.setContentLength(100);      String userAgent = req.getHeader("User-Agent");   String fileName = null;      if(userAgent.indexOf("MSIE") > -1){    fileName = URLEncoder.encode(file.getName(), "utf-8");   }else{    fileName = new String(file.getName().getBytes("utf-8"), "iso-8859-1");   }      res.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\";");   res.setHeader("Content-Transfer-Encoding", "binary");      OutputStream os = res.getOutputStream();   FileInputStream fis = null;      try{    fis = new FileInputStream(file);    FileCopyUtils.copy(fis, os);   }finally{    if(fis != null){     try{      fis.close();     }catch(IOException e){      System.out.println("exception : " + e.toString());     }    }   }   os.flush();     } }

 

main_config.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/>  <context:component-scan base-package="sp.mvc.controller"/>    <!-- bean class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping" p:alwaysUseFullPath="true"/ -->  <!-- bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" p:alwaysUseFullPath="true"/ -->        <!-- ViewResolver 설정 -->  <bean id="beanNameViewResolver" class="org.springframework.web.servlet.view.BeanNameViewResolver" p:order="1"/>    <bean id="internalResourceViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver"   p:order="2" p:prefix="/WEB-INF/jsp/" p:suffix=".jsp"></bean>    <!-- 각종 bean 설정 -->  <bean id="filedownload" class="sp.mvc.view.FileDownloadView"></bean>   </beans>

● BeanNameViewResolver : 뷰 이름과 동일한 이름을 갖는 빈을 뷰 객체로 사용

 

web.xml

<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  xmlns="http://java.sun.com/xml/ns/javaee"  xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"  xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">     <display-name>spring304</display-name>  <filter>   <filter-name>characterEncodingFilter</filter-name>   <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>   <init-param>    <param-name>encoding</param-name>    <param-value>UTF-8</param-value>   </init-param>  </filter>  <filter-mapping>   <filter-name>characterEncodingFilter</filter-name>   <url-pattern>/*</url-pattern>  </filter-mapping>  <!-- 공통 빈 설정  <context-param>   <param-name>contextConfigLocation</param-name>   <param-value>/WEB-INF/applicationContext.xml</param-value>  </context-param>     <listener>   <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>  </listener>  -->    <servlet>   <servlet-name>spring304</servlet-name>   <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>   <init-param>    <param-name>contextConfigLocation</param-name>    <param-value>     /WEB-INF/main_config.xml    </param-value>   </init-param>   <load-on-startup>1</load-on-startup>  </servlet>    <servlet-mapping>   <servlet-name>spring304</servlet-name>   <url-pattern>*.sp</url-pattern>  </servlet-mapping> </web-app>

 

 

결과

요청URL    http://localhost:8090/spring304/filedown.sp   ----- FileDownloadController.fileDownload() ----- ---- FileDownloadView.renderMergedOutputModel() ----

 

 

 

 

[참고자료] Spring 3.0 프로그래밍-최범균