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 your
Hi all,
try this for example:
public InputStream getInputStream() throws ParseException,
UnsupportedEncodingException {
StringBuffer sb = new StringBuffer(blablabla)
return new ByteArrayInputStream(sb.toString().getBytes(windows-1250));
}
Best greetings,
Paweł
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
Hi,
it all depends.
Where You take data from - database?
How You manipulate the data if any - are You combining some fields or something?
It's possible to take some data from DB and read it from reasult set
as a stream and just forward it to the user browser.
But if this data has to be
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
java.io.SequenceInputStream might prove helpful to you here, as well.
-Dale
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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
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.
--
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On Wednesday, September 15, 2010, wrote:
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?
A stream is a stream-doesn't
Sometimes I'll create a temp file via File.createTempFile and open an
InputStream for that but you could just as easily use one of these
techniques:
http://ostermiller.org/convert_java_outputstream_inputstream.html
2010/9/15 lunch...@yahoo.co.jp:
I would like to collect the data by accessing
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
-Original Message-
From: lunch...@yahoo.co.jp [mailto:lunch...@yahoo.co.jp]
Sent: Wednesday, September 15, 2010 9:23 PM
To: Struts Users Mailing List
Subject: Re: How to download a file without creating it on a server
Hi Dave and Allen,
Thank you for quick reply.
Frankly
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