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@seco

seco/FileDownload.java

Created October 1, 2019 22:12
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Revisions

  1. @yhzion yhzion revised this gist Mar 8, 2017. 1 changed file with 2 additions and 2 deletions.
    4 changes: 2 additions & 2 deletions FileDownload.java
    View file
    Original file line number Diff line number Diff line change
    @@ -35,5 +35,5 @@
    }
    }
    }
    38
    39 out.flush();

    out.flush();
  2. @yhzion yhzion created this gist Mar 8, 2017.
    39 changes: 39 additions & 0 deletions FileDownload.java
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    Original file line number Diff line number Diff line change
    @@ -0,0 +1,39 @@
    File file = (File) model.get("downloadFile");
    String fileName = (String) model.get("fileName");

    String header = request.getHeader("User-Agent");

    if (header.contains("MSIE") || header.contains("Trident")) {
    fileName = URLEncoder.encode(fileName,"UTF-8").replaceAll("\\+", "%20");
    response.setHeader("Content-Disposition", "attachment;filename=" + fileName + ";");
    } else {
    fileName = new String(fileName.getBytes("UTF-8"), "ISO-8859-1");
    response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\"");
    }

    response.setContentType(getContentType());
    response.setContentLength((int) file.length());
    response.setHeader("Content-Type", "application/octet-stream");
    response.setContentLength((int)file.length());
    response.setHeader("Content-Transfer-Encoding", "binary;");
    response.setHeader("Pragma", "no-cache;");
    response.setHeader("Expires", "-1;");

    OutputStream out = response.getOutputStream();
    FileInputStream fis = null;
    try {
    fis = new FileInputStream(file);
    FileCopyUtils.copy(fis, out);
    } catch (Exception e) {
    logger.error(e.getMessage());
    } finally {
    if (fis != null) {
    try {
    fis.close();
    } catch (Exception e) {
    logger.error(e.getMessage());
    }
    }
    }
    38
    39 out.flush();