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https://issues.apache.org/struts/browse/WW-3115?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=46365#action_46365
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Wes Wannemacher commented on WW-3115:
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It is not intended that only one upload per session is supported... If that's
the case, it's a bug. Can you explain how it only supports one upload per
session?
> Provide a way to inject file upload listener for JakartaMultipartRequest
> ------------------------------------------------------------------------
>
> Key: WW-3115
> URL: https://issues.apache.org/struts/browse/WW-3115
> Project: Struts 2
> Issue Type: Improvement
> Components: Core Interceptors
> Affects Versions: 2.1.6
> Environment: ALL
> Reporter: Dharshana
> Assignee: Wes Wannemacher
> Priority: Minor
> Fix For: 2.1.8
>
> Attachments: JakartaMultiPartRequest.java
>
>
> I'd like to have a way to have a configurable upload listener to be used by
> JakartaMultipartRequest so any application can monitor the progress of a file
> upload without having to write own uploader classes or using any plugins
> listener can be attached to the uploader on the following lines on per upload
> basis
> 88 ServletFileUpload upload = new ServletFileUpload(fac);
> 89 upload.setSizeMax(maxSize);
> e.g.
> String monitorKey = request.getParameter("UPLOAD_MONITOR_KEY");
> if (monitorKey != null){
> //Create a progress listener using the configuration information, this is
> what I need from this feature request
> ProgressListener progressListener = createProgressListener();
> upload.setProgressListener(progressListener );
> request.getSession.putAttribute(monitorKey ,progressListener );
> //Now the application will be able to monitor the upload progress
> asynchronously
>
> }
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