Re: How to get and store uploaded file on server in JSP

From:
=?ISO-8859-1?Q?Arne_Vajh=F8j?= <arne@vajhoej.dk>
Newsgroups:
comp.lang.java.programmer
Date:
Sun, 07 Sep 2008 00:00:55 -0400
Message-ID:
<48c351f5$0$90262$14726298@news.sunsite.dk>
Pierre wrote:

I'm trying to use this method to upload a file CSV and scan it.

In my action, the method upload.parseRequest(request) return null, but
I don't know why.
How can I put my file into the request?
What I have to do in the form?

In my jsp:
<form action="/fo-contract/importBeneficiaries.do" method="post"
name="importBeneficiariesForm" style="display: block;">
<p>
   <label for="ipImportAD">Choisir le fichier ? importer</label>
    <input type="file" name="file" id="ipImportAD"/>
</p>
<p class="btsBar">
    <a class="btReset" id="cancelImportBt" href="javascript:void(0);"
style="display: block;">Annuler</a>
    <input type="submit" class="btForm" value="Importer"/>
</p>
</form>

---------------------------------
the importBeneficiariesAction.java:

public class ImportBeneficiariesAction extends ContractAction {

    private BufferedReader buff = null;

    public ActionForward execute(ActionMapping mapping, ActionForm form,
            HttpServletRequest request, HttpServletResponse response)
            throws ServletException {

        try {
            /* Just a test */
            final ImportBeneficiariesForm importForm =
(ImportBeneficiariesForm) form;
            String filePath = importForm.getFilePath();
            System.out.println(filePath);
            /* End of the test */

            /* Getting the upload file */
            DiskFileUpload upload = new DiskFileUpload();
            List<FileItem> files = upload.parseRequest(request);
            InputStream uploadedStream = files.get(0).getInputStream();
            buff = new BufferedReader(new
InputStreamReader(uploadedStream));
...

---------------------------------
the importBeneficiariesForm.java:

public class ImportBeneficiariesForm extends ActionForm {

    private static final long serialVersionUID = -7176458272897827988L;
    protected String filePath;

    public ImportBeneficiariesForm() {
        super();
    }

    @Override
    public void reset(ActionMapping mapping, HttpServletRequest
request) {
        // TODO Auto-generated method stub
        super.reset(mapping, request);
    }

    // Getters and Setters

    public String getFilePath() {
        return filePath;
    }

    public void setFilePath(String filePath) {
        this.filePath = filePath;
    }

}


I doubt that calling FileUpload in a Struts action will work.

The request is already read by the controller servlet and
it is not possible to read it again.

POST to a simple servlet and let that redirect back to the
Struts stuff.

Arne

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