How to download a file without creating it on a server

I would like to collect the data by accessing database and create the contents for a download file. Without creating the real file for InputStream that the struts2 convention proposes to use for download, how to code? Regards. -- Get the new Internet Explorer

Re: How to download a file without creating it on a server

Hi Dave and Allen, Thank you for quick reply. Frankly speaking, I'm not familiarity with using stream and could not come up with some ideas. When I coded with java.io.PipedInputStream/PipedOutputStream like follwoing, I could download an empty file with IllegalStateException. If anyone give an

Re: How to download a file without creating it on a server

Hi Wielgus, Thank you for the example. That example you provided can work fine. But I'm afraid I can not apply this way. When using ByteArrayInputStream, I need to hold all contents of a download file.But I must handle a huge file that can not be placed in memory. I'm sorry that I did not tell

Re: How to download a file without creating it on a server

Hi Pawel, > But if this data has to be manipulated (concatenated, changed, etc.) > the temporary file is needed if You don't want to put all data into > memory. FYI in my case, I need to manipulate with data from DB and files to create a download file. Thanks. --- Pawe娼ネ Wielgus wrote: > Hi,

Re: How to download a file without creating it on a server

Hi Dale, Thank you for your reply. It sounds I can make it, even though there might be some problems about closing streams. When I coded like the following, I could get the download file(i.e. I could concatenate the ByteArrayInputStream objects. ） Note.I must rely on SequenceInputStream refered

How to set the value of request scope in a interceptor and get it in jsp?

Hi, When I set a value in my interceptor,I could not get it in a jsp. How to do that? ### my interceptor public class HogeIntercepter extends AbstractInterceptor { @Override public String intercept(ActionInvocation invocation) throws Exception { HttpServletRequest request = ServletA

Re: How to set the value of request scope in a interceptor and get it in jsp?

Hi, Thanks Li and Maurizio! Here is the solution. I really appreciate you guys because I spent a whole day for this problem. Thanks a lot! --- Maurizio Cucchiara wrote: > This would work: > > > Maurizio Cucchiara > -- Learn more about breast cancer

Re: How to download a file without creating it on a server

Hi, I found the following the thread, and now I apply that method. I think it is the best solution for this issue.(namely create custom Result class) http://www.mail-archive.com/user@struts.apache.org/msg79822.html Thanks. Ken --- lunch...@yahoo.co.jp wrote: > Hi Dale, > > Thank you for yo