Need to feedback failures for users when a file processor in chain fails
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Key: TRINIDAD-1843
URL: https://issues.apache.org/jira/browse/TRINIDAD-1843
Project: MyFaces Trinidad
Issue Type: Improvement
Components: Components
Affects Versions: 2.0.0.3-core
Reporter: Prakash Udupa N
Through JIRA 1757 (https://issues.apache.org/jira/browse/TRINIDAD-1757, we
supported chaining of uploaded file processors.
There are two means for file upload processors to convey failures.
1. UploadedFileProcessor.processFile() implementations can throw IOException.
2. UploadedFile.getOpaqueData() implementation can convey more information
about error.
Example of failures could be no space in disk, unacceptable end of line
markers, virus etc. Some of these failures need to be notified to users, and
currently there is no good mechanism to show this to end users. We log #1, and
we do not interpret #2. The File upload happens before the JSF lifecycle kicks
in, so we cannot raise faces exceptions or use faces message.
This JIRA issue is to track providing some means for the uploaded file
processors to be able to propagate failure message to end users.
I'm working on a solution and will provide patch soon.
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