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package egovframework.com.cmm.web;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.URLEncoder;
import java.util.HashMap;
import java.util.Map;
import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.stereotype.Controller;
import org.springframework.util.FileCopyUtils;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import egovframework.com.cmm.EgovBrowserUtil;
import egovframework.com.cmm.service.EgovFileMngService;
import egovframework.com.cmm.service.FileVO;
import egovframework.com.cmm.util.EgovBasicLogger;
import egovframework.com.cmm.util.EgovResourceCloseHelper;
import egovframework.com.cmm.util.EgovUserDetailsHelper;
/**
* 파일 다운로드를 위한 컨트롤러 클래스
* @author 공통서비스개발팀 이삼섭
* @since 2009.06.01
* @version 1.0
* @see
*
* <pre>
* << 개정이력(Modification Information) >>
*
* 수정일 수정자 수정내용
* ------------ -------- ---------------------------
* 2009.03.25 이삼섭 최초 생성
* 2014.02.24 이기하 IE11 브라우저 한글 파일 다운로드시 에러 수정
* 2018.08.28 신용호 Safari, Chrome, Firefox, Opera 한글파일 다운로드 처리 수정 (macOS에서 확장자 exe붙는 문제 처리)
*
* Copyright (C) 2009 by MOPAS All right reserved.
* </pre>
*/
@Controller
public class EgovFileDownloadController {
@Resource(name = "EgovFileMngService")
private EgovFileMngService fileService;
/**
* 브라우저 구분 얻기.
*
* @param request
* @return
*/
private String getBrowser(HttpServletRequest request) {
String header = request.getHeader("User-Agent");
if (header.indexOf("MSIE") > -1) {
return "MSIE";
} else if (header.indexOf("Trident") > -1) { // IE11 문자열 깨짐 방지
return "Trident";
} else if (header.indexOf("Chrome") > -1) {
return "Chrome";
} else if (header.indexOf("Opera") > -1) {
return "Opera";
}
return "Firefox";
}
/**
* 첨부파일로 등록된 파일에 대하여 다운로드를 제공한다.
*
* @param commandMap
* @param response
* @throws Exception
*/
@RequestMapping(value = "/cmm/fms/FileDown.do")
public void cvplFileDownload(@RequestParam Map<String, Object> commandMap, HttpServletRequest request, HttpServletResponse response) throws Exception {
String atchFileId = (String) commandMap.get("atchFileId");
String fileSn = (String) commandMap.get("fileSn");
Boolean isAuthenticated = EgovUserDetailsHelper.isAuthenticated();
if (isAuthenticated) {
FileVO fileVO = new FileVO();
fileVO.setAtchFileId(atchFileId);
fileVO.setFileSn(fileSn);
FileVO fvo = fileService.selectFileInf(fileVO);
File uFile = new File(fvo.getFileStreCours(), fvo.getStreFileNm());
long fSize = uFile.length();
if (fSize > 0) {
String mimetype = "application/x-msdownload";
String userAgent = request.getHeader("User-Agent");
HashMap<String,String> result = EgovBrowserUtil.getBrowser(userAgent);
if ( !EgovBrowserUtil.MSIE.equals(result.get(EgovBrowserUtil.TYPEKEY)) ) {
mimetype = "application/x-stuff";
}
String contentDisposition = EgovBrowserUtil.getDisposition(fvo.getOrignlFileNm(),userAgent,"UTF-8");
//response.setBufferSize(fSize); // OutOfMemeory 발생
response.setContentType(mimetype);
//response.setHeader("Content-Disposition", "attachment; filename=\"" + contentDisposition + "\"");
response.setHeader("Content-Disposition", contentDisposition);
response.setContentLengthLong(fSize);
/*
* FileCopyUtils.copy(in, response.getOutputStream());
* in.close();
* response.getOutputStream().flush();
* response.getOutputStream().close();
*/
BufferedInputStream in = null;
BufferedOutputStream out = null;
try {
in = new BufferedInputStream(new FileInputStream(uFile));
out = new BufferedOutputStream(response.getOutputStream());
FileCopyUtils.copy(in, out);
out.flush();
} catch (IOException ex) {
// 다음 Exception 무시 처리
// Connection reset by peer: socket write error
EgovBasicLogger.ignore("IO Exception", ex);
} finally {
EgovResourceCloseHelper.close(in, out);
}
} else {
response.setContentType("application/x-msdownload");
PrintWriter printwriter = response.getWriter();
printwriter.println("<html>");
printwriter.println("<br><br><br><h2>Could not get file name:<br>" + fvo.getOrignlFileNm() + "</h2>");
printwriter.println("<br><br><br><center><h3><a href='javascript: history.go(-1)'>Back</a></h3></center>");
printwriter.println("<br><br><br>© webAccess");
printwriter.println("</html>");
printwriter.flush();
printwriter.close();
}
}
}
}