FAISP/src/main/java/com/dbnt/faisp/config/FileController.java

119 lines
4.3 KiB
Java

package com.dbnt.faisp.config;
import com.dbnt.faisp.fpiMgt.affair.service.AffairService;
import com.dbnt.faisp.fpiMgt.affairPlan.service.PlanService;
import com.dbnt.faisp.fpiMgt.affairResult.service.ResultService;
import com.dbnt.faisp.ivsgtMgt.boardInvestigation.service.BoardInvestigationService;
import com.dbnt.faisp.publicBoard.service.PublicBoardService;
import lombok.RequiredArgsConstructor;
import org.springframework.util.FileCopyUtils;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.*;
import java.net.URLEncoder;
@RestController
@RequiredArgsConstructor
public class FileController {
private final PlanService planService;
private final PublicBoardService publicBoardService;
private final AffairService affairService;
private final ResultService resultService;
private final BoardInvestigationService boardInvestigationService;
@GetMapping("/file/fileDownload")
public void fileDownload(HttpServletRequest request,
HttpServletResponse response,
String board,
Integer parentKey,
Integer fileSeq) {
FileInfo downloadFile = null;
switch (board){
case "affairPlan":
downloadFile = planService.selectPlanFile(parentKey, fileSeq);
break;
case "publicFile":
downloadFile = publicBoardService.selectPublicFile(parentKey, fileSeq);
break;
case "affair":
downloadFile = affairService.selectAffairFile(parentKey, fileSeq);
break;
case "affairResult":
downloadFile = resultService.selectResultFile(parentKey, fileSeq);
break;
case "ivsgt":
downloadFile = boardInvestigationService.selectIvsgtFile(parentKey, fileSeq);
break;
}
BufferedInputStream in;
BufferedOutputStream out;
try {
File file = new File(downloadFile.getSavePath(), downloadFile.getConvNm());
setDisposition(downloadFile.getFullName(), request, response);
in = new BufferedInputStream(new FileInputStream(file));
out = new BufferedOutputStream(response.getOutputStream());
FileCopyUtils.copy(in, out);
out.flush();
if(out!=null) out.close();
if(in!=null )in.close();
} catch (IOException e) {
e.printStackTrace();
}
}
private void setDisposition(String filename, HttpServletRequest request, HttpServletResponse response) throws IOException {
String browser = getBrowser(request);
String dispositionPrefix = "attachment; filename=";
String encodedFilename = null;
if (browser.equals("MSIE")) {
encodedFilename = URLEncoder.encode(filename, "UTF-8").replaceAll("\\+", "%20");
} else if (browser.equals("Trident")) { // IE11 문자열 깨짐 방지
encodedFilename = URLEncoder.encode(filename, "UTF-8").replaceAll("\\+", "%20");
} else if (browser.equals("Firefox")) {
encodedFilename = "\"" + new String(filename.getBytes("UTF-8"), "8859_1") + "\"";
} else if (browser.equals("Opera")) {
encodedFilename = "\"" + new String(filename.getBytes("UTF-8"), "8859_1") + "\"";
} else if (browser.equals("Chrome")) {
StringBuffer sb = new StringBuffer();
for (int i = 0; i < filename.length(); i++) {
char c = filename.charAt(i);
if (c > '~') {
sb.append(URLEncoder.encode("" + c, "UTF-8"));
} else {
sb.append(c);
}
}
encodedFilename = sb.toString();
} else {
throw new IOException("Not supported browser");
}
response.setHeader("Content-Disposition", dispositionPrefix + encodedFilename);
if ("Opera".equals(browser)) {
response.setContentType("application/octet-stream;charset=UTF-8");
}
}
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";
}
}