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package froala.editor.utils.view;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.tika.Tika;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import org.springframework.util.FileCopyUtils;
import org.springframework.web.servlet.view.AbstractView;
import egovframework.com.cmm.util.EgovResourceCloseHelper;
import egovframework.rte.fdl.cmmn.exception.EgovBizException;
@Component
public class DownloadView extends AbstractView {
private final static Logger LOGGER = LoggerFactory.getLogger(DownloadView.class);
@Override
protected void renderMergedOutputModel(Map<String, Object> model,
HttpServletRequest request, HttpServletResponse response) throws EgovBizException, IOException {
String path = (String) model.get("path");
String mime = (String) model.get("mime");
File file = new File(path);
response.setContentLength((int)file.length());
String filename = (String) model.get("origin_file_nm");
String userAgent = request.getHeader("User-Agent");
String conVstr = null;
if (userAgent.contains("MSIE")) {
conVstr = URLEncoder.encode(filename,"UTF-8");
} else if (userAgent.contains("Trident")) {
conVstr = URLEncoder.encode(filename,"UTF-8");
} else if(userAgent.contains("Chrome")) {
conVstr = new String(filename.getBytes(StandardCharsets.UTF_8), StandardCharsets.ISO_8859_1);
} else if(userAgent.contains("Opera")) {
conVstr = new String(filename.getBytes(StandardCharsets.UTF_8), StandardCharsets.ISO_8859_1);
} else if (userAgent.contains("Mozilla")){
conVstr = new String(filename.getBytes(StandardCharsets.UTF_8), StandardCharsets.ISO_8859_1);
} else {
conVstr = new String(filename.getBytes(StandardCharsets.UTF_8), StandardCharsets.ISO_8859_1);
}
// PDF 파일일 경우 바로 열기
Tika tika = new Tika();
mime = mime == null ? tika.detect(file) : mime;
switch (mime) {
// pdf로 다운로드 받도록 하기 위해 주석
// case "application/pdf":
// response.setContentType("application/pdf");
// break;
default:
response.setHeader("Content-Disposition", "attachment; fileName=\"" + conVstr + "\";");
response.setContentType("application/octet-stream;charset=UTF-8");
break;
}
response.setHeader("Content-Transfer-Encoding", "binary");
OutputStream out = response.getOutputStream();
FileInputStream fis = null;
try{
fis = new FileInputStream(file);
FileCopyUtils.copy(fis, out);
} finally {
EgovResourceCloseHelper.close(fis);
}
out.flush();
}
}