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problem with fileUpload

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posted 16 years ago

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Hi
i m using the commons file upload with jsp...(http://commons.apache.org/fileupload/)

My form is : -

I m able to retrieve the details using this code...

------------------------------------------------------------------------------------------------------------------------------------------------------------------------
try
        {
            
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet Upload</title>");  
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet Upload at " + request.getContextPath () + "</h1>");
            boolean isMultipart = ServletFileUpload.isMultipartContent(request);
            if(isMultipart)
            {
            ServletFileUpload upload = new ServletFileUpload();
            /*List items = upload.parseRequest(request);
            Iterator iter = items.iterator();

int count = 0;*/
            FileItemIterator iter = upload.getItemIterator(request);
            while (iter.hasNext())
            {
                //count++;
                FileItemStream item = iter.next();
                String name = item.getFieldName();
                InputStream stream = item.openStream();

if (item.isFormField()) {
                    out.println("Form field " + name + " with value " + Streams.asString(stream) + " detected.");
                }
                else
                {
                    out.println("File field " + name + " with file name " + item.getName() + " detected.");
        // Process the input stream
                }
            }
            out.println("</body>");
            out.println("</html>");
            }
        }
        catch(FileUploadException fue) {
            out.print(fue);
        }
            
            finally
            {
            out.close();
        }
------------------------------------------------------------------------------------------------------------------------------------------------------------------------

How do i use the "item" object in the else part(not a form field)

to point to a FileItem(org.apache.commons.fileupload.FileItem)

or particularly how do i use to store it to a database blob???

If i use another code for retrieving into FileItem i m getting exceptions........
DeferredFileOutputStream (probably at the line List /* FileItem */ items = upload.parseRequest(request);)

The code is

------------------------------------------------------------------------------------------------------------------------------------------------------------------------
try {
            
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet UploadServlet</title>");  
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet UploadServlet at " + request.getContextPath () + "</h1>");
            
                out.print("<br> This is a test a<br>");
                
                FileItemFactory factory = new DiskFileItemFactory();
                ServletFileUpload upload = new ServletFileUpload(factory);

List /* FileItem */ items = upload.parseRequest(request);
                 Iterator iter = items.iterator();
                 while (iter.hasNext())
                 {
                    FileItem item = (FileItem) iter.next();
                    out.print("<br> This is a test a<br>");
                 }
            out.println("</body>");
            out.println("</html>");

} 
        catch(FileUploadException fue) {
            out.print(fue);
        }
        catch(ClassCastException cce) {
            out.print(cce);
        }
        catch(NullPointerException npe) {
            out.print(npe);
        }
        catch(Exception e) {
            out.print(e);
        }
        finally {
            out.close();
        }

------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Thanks
Pradyut

Pradyut
http://pradyut.tk/

Bear Bibeault

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posted 16 years ago

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Please be sure to use code tags when posting code to the forums. Unformatted code is extremely hard to read and many people that might be able to help you will just move along to posts that are easier to read. Please read this for more information.

You can go back and change your post to add code tags by clicking the

button on your post.

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Bauke Scholtz

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posted 16 years ago

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Get an InputStream from it and save it in DB using PreparedStatement#setBinaryStream().

After all it look like that your problem is JDBC related rather than FileUpload related.

That said, is that code written in a JSP or a Servlet? To start, the code doesn't look good. Java code belongs in a Servlet and HTML belongs in a JSP.

Pradyut Bhattacharya

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posted 16 years ago

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Bear Bibeault wrote:Please be sure to use code tags when posting code to the forums. Unformatted code is extremely hard to read and many people that might be able to help you will just move along to posts that are easier to read. Please read this for more information.

You can go back and change your post to add code tags by clicking the button on your post.

when i do so(click edit buttton) the editor is filled with (&)lt and (&)gt..

original message should always be stored and any modification should be done on the presentation layer....

thats a bug for javaranch.... sorry there....

Pradyut
http://pradyut.tk/

Pradyut Bhattacharya

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posted 16 years ago

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Bauke Scholtz wrote:Get an InputStream from it and save it in DB using PreparedStatement#setBinaryStream().

After all it look like that your problem is JDBC related rather than FileUpload related.

That said, is that code written in a JSP or a Servlet? To start, the code doesn't look good. Java code belongs in a Servlet and HTML belongs in a JSP.

Yes i have done that......
Java code belongs in a Servlet and HTML belongs in a JSP.

Pradyut
http://pradyut.tk/

Ulf Dittmer

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posted 16 years ago

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Pradyut Bhattacharya wrote:
when i do so(click edit buttton) the editor is filled with (&)lt and (&)gt..

original message should always be stored and any modification should be done on the presentation layer....

thats a bug for javaranch....

That's not a bug, and it works fine. Perhaps you are not familiar with HTML entities. Have you tried editing your post to see what happens?

Pradyut Bhattacharya

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posted 16 years ago

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Ulf Dittmer wrote:

Pradyut Bhattacharya wrote:
when i do so(click edit buttton) the editor is filled with (&)lt and (&)gt..

original message should always be stored and any modification should be done on the presentation layer....

thats a bug for javaranch....

That's not a bug, and it works fine. Perhaps you are not familiar with HTML entities. Have you tried editing your post to see what happens?

Yes i have changed it..
but still it was showing lt and gt and not < or >
that was what i was saying....
well may be nothing to worry for you guys....

Pradyut
http://pradyut.tk/

Pradyut Bhattacharya

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posted 16 years ago

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Bauke Scholtz wrote:Get an InputStream from it and save it in DB using PreparedStatement#setBinaryStream().

After all it look like that your problem is JDBC related rather than FileUpload related.

That said, is that code written in a JSP or a Servlet? To start, the code doesn't look good. Java code belongs in a Servlet and HTML belongs in a JSP.

but i do not get the file size...
using FileItem i could get that....

Pradyut
http://pradyut.tk/

Ben Souther

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