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2023-10-11
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package itn.com.cmm.web;
import java.io.BufferedInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.util.Map;
import javax.annotation.Resource;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import itn.com.cmm.SessionVO;
import itn.com.cmm.service.EgovFileMngService;
import itn.com.cmm.service.FileVO;
/**
* @Class Name : EgovImageProcessController.java
* @Description :
* @Modification Information
*
* 수정일 수정자 수정내용
* ------- ------- -------------------
* 2009. 4. 2. 이삼섭
* 2011.08.31. JJY 경량환경 템플릿 커스터마이징버전 생성
*
* @author 공통 서비스 개발팀 이삼섭
* @since 2009. 4. 2.
* @version
* @see
*
*/
@SuppressWarnings("serial")
@Controller
public class EgovImageProcessController extends HttpServlet {
@Resource(name = "EgovFileMngService")
private EgovFileMngService fileService;
@Value("#{globalSettings['Globals.file.saveDir']}")
private String fileSaveDir;
private static final Logger LOGGER = LoggerFactory.getLogger(EgovImageProcessController.class);
/**
* 첨부된 이미지에 대한 미리보기 기능을 제공한다.
*
* @param atchFileId
* @param fileSn
* @param sessionVO
* @param model
* @param response
* @throws Exception
*/
@SuppressWarnings("resource")
@RequestMapping("/cmm/fms/getImage.do")
public void getImageInf(SessionVO sessionVO, ModelMap model, @RequestParam Map<String, Object> commandMap, HttpServletResponse response) throws Exception {
String atchFileId = (String) commandMap.get("atchFileId");
String fileSn = (String) commandMap.get("fileSn");
String isThumbFile = (String) commandMap.get("isThumbFile");
FileVO vo = new FileVO();
vo.setAtchFileId(atchFileId);
vo.setFileSn(fileSn);
//------------------------------------------------------------
// fileSn이 없는 경우 마지막 파일 참조
//------------------------------------------------------------
if (fileSn == null || fileSn.equals("")) {
int newMaxFileSN = fileService.getMaxFileSN(vo);
vo.setFileSn(Integer.toString(newMaxFileSN - 1));
}
//------------------------------------------------------------
FileVO fvo = fileService.selectFileInf(vo);
String fileNm = fvo.getStreFileNm();
// 섬네일 이미지 경우
if (isThumbFile != null && ("thumbFile").equals(isThumbFile) && fvo.getThumbFileNm() != null) {
fileNm = fvo.getThumbFileNm();
}
File file = new File(fvo.getFileStreCours(), fileNm);
FileInputStream fis = null;
try {
new FileInputStream(file);
}catch(Exception e) {}
BufferedInputStream in = null;
ByteArrayOutputStream bStream = null;
try {
fis = new FileInputStream(file);
in = new BufferedInputStream(fis);
bStream = new ByteArrayOutputStream();
int imgByte;
/*while ((imgByte = in.read()) != -1) {
bStream.write(imgByte);
}*/
byte[] outputByte=new byte[104096];
while ((imgByte =in.read(outputByte, 0, 4096 )) > 0 ) {
bStream.write(outputByte,0,imgByte);
}
String type = "";
if (fvo.getFileExtsn() != null && !"".equals(fvo.getFileExtsn())) {
if ("jpg".equals(fvo.getFileExtsn().toLowerCase())) {
type = "image/jpeg";
} else {
type = "image/" + fvo.getFileExtsn().toLowerCase();
}
//type = "image/" + fvo.getFileExtsn().toLowerCase();
} else {
LOGGER.debug("Image fileType is null.");
}
response.setHeader("Content-Type", type);
response.setContentLength(bStream.size());
bStream.writeTo(response.getOutputStream());
response.getOutputStream().flush();
response.getOutputStream().close();
} catch (Exception e) {
LOGGER.debug("{}", e);
} finally {
if (bStream != null) {
try {
bStream.close();
} catch (Exception est) {
LOGGER.debug("IGNORED: {}", est.getMessage());
}
}
if (in != null) {
try {
in.close();
} catch (Exception ei) {
LOGGER.debug("IGNORED: {}", ei.getMessage());
}
}
if (fis != null) {
try {
fis.close();
} catch (Exception efis) {
LOGGER.debug("IGNORED: {}", efis.getMessage());
}
}
}
}
/**
* 첨부된 이미지에 대한 미리보기 기능을 제공한다.
*
* @param atchFileId
* @param fileSn
* @param sessionVO
* @param model
* @param response
* @throws Exception
*/
@SuppressWarnings("resource")
@RequestMapping("/cmm/fms/getImage2.do")
public void getImageInf2(SessionVO sessionVO, ModelMap model, @RequestParam Map<String, Object> commandMap, HttpServletResponse response) throws Exception {
String atchFileId = (String) commandMap.get("atchFileId");
String fileSn = (String) commandMap.get("fileSn");
String isThumbFile = (String) commandMap.get("isThumbFile");
FileVO vo = new FileVO();
vo.setAtchFileId(atchFileId);
vo.setFileSn(fileSn);
//------------------------------------------------------------
// fileSn이 없는 경우 마지막 파일 참조
//------------------------------------------------------------
if (fileSn == null || fileSn.equals("")) {
int newMaxFileSN = fileService.getMaxFileSN(vo);
vo.setFileSn(Integer.toString(newMaxFileSN - 1));
}
//------------------------------------------------------------
FileVO fvo = fileService.selectFileInf(vo);
String fileNm = fvo.getStreFileNm() + "." + fvo.getFileExtsn();
// String fileNm = fvo.getOrignlFileNm();
// 섬네일 이미지 경우
if (isThumbFile != null && ("thumbFile").equals(isThumbFile) && fvo.getThumbFileNm() != null) {
fileNm = fvo.getThumbFileNm();
}
File file = new File(fvo.getFileStreCours(), fileNm);
FileInputStream fis = null;
try {
new FileInputStream(file);
}catch(Exception e) {}
BufferedInputStream in = null;
ByteArrayOutputStream bStream = null;
try {
fis = new FileInputStream(file);
in = new BufferedInputStream(fis);
bStream = new ByteArrayOutputStream();
int imgByte;
/*while ((imgByte = in.read()) != -1) {
bStream.write(imgByte);
}*/
byte[] outputByte=new byte[104096];
while ((imgByte =in.read(outputByte, 0, 4096 )) > 0 ) {
bStream.write(outputByte,0,imgByte);
}
String type = "";
if (fvo.getFileExtsn() != null && !"".equals(fvo.getFileExtsn())) {
if ("jpg".equals(fvo.getFileExtsn().toLowerCase())) {
type = "image/jpeg";
} else {
type = "image/" + fvo.getFileExtsn().toLowerCase();
}
//type = "image/" + fvo.getFileExtsn().toLowerCase();
} else {
LOGGER.debug("Image fileType is null.");
}
response.setHeader("Content-Type", type);
response.setContentLength(bStream.size());
bStream.writeTo(response.getOutputStream());
response.getOutputStream().flush();
response.getOutputStream().close();
} catch (Exception e) {
LOGGER.debug("{}", e);
} finally {
if (bStream != null) {
try {
bStream.close();
} catch (Exception est) {
LOGGER.debug("IGNORED: {}", est.getMessage());
}
}
if (in != null) {
try {
in.close();
} catch (Exception ei) {
LOGGER.debug("IGNORED: {}", ei.getMessage());
}
}
if (fis != null) {
try {
fis.close();
} catch (Exception efis) {
LOGGER.debug("IGNORED: {}", efis.getMessage());
}
}
}
}
}