class DownloadServlet extends HttpServlet {
private void getDownloadFile(final HttpServletRequest request, final
HttpServletResponse response) {
FileVO file =
fileService.getFile(request.getParameter("down").toString());
if (file == null) {
return;
}
String ua = getThreadLocalRequest().getHeader("User-Agent");
boolean isFirefox = (ua != null && ua.indexOf("Firefox/") != -1);
String uriEncoding = null;
try {
// I18N
uriEncoding = URLEncoder.encode(file.getFILE_NAME(), "UTF-8");
} catch (UnsupportedEncodingException e) {
}
if (isFirefox) {
response.setHeader("Content-Disposition", "attachment;
filename*==UTF-8''" + uriEncoding + "");
} else {
response.setHeader("Content-Disposition", "attachment; filename=" +
uriEncoding + "");
}
response.setHeader("Content-Length",
String.valueOf(file.getFILE_LONGBLOB_SIZE()));
try {
response.getOutputStream().write(file.getFILE_LONGBLOB());
response.getOutputStream().flush();
response.getOutputStream().close();
} catch (IOException e) {
log.error(e);
}
}
@Override
protected void doGet(final HttpServletRequest request, final
HttpServletResponse response)
throws IOException, ServletException {
if (request.getParameter("down") != null {
getDownloadFile(request, response);
}
}
}
2014-03-03 19:58 GMT+09:00 Davide Micheletti <[email protected]>:
> Hi all.. I need to know how to use DownloadServlet.. I tried to implement
> it but i don't understand how to continue the code.. here my implementation
>
> public class DownloadServlet extends HttpServlet{
> protected void doGet( HttpServletRequest req, HttpServletResponse resp )
> throws ServletException, IOException
> {
> String fileName = req.getParameter( "fileInfo1" );
>
> int BUFFER = 1024 * 100;
> resp.setContentType( "application/octet-stream" );
> resp.setHeader( "Content-Disposition:", "attachment;filename=" +
> "\"" + fileName + "\"" );
> ServletOutputStream outputStream = resp.getOutputStream();
> resp.setContentLength( Long.valueOf( getfile(fileName).length()
> ).intValue() );
> resp.setBufferSize( BUFFER );
> //Your IO code goes here to create a file and set to
> outputStream//
>
> }
> }
>
> what do i need now??.. Thanks in advance
>
> Davide
>
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