Use standard Servlet 3.0 API for form based file uploads

Description

In MCRUploadViaFormServlet, use the new standard API to handle multipart form based file uploads instead of Apache Commons file upload and old editor servlet API.

Environment

None

Assignee

Frank Lützenkirchen

Reporter

Frank Lützenkirchen

Labels

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URL

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External issue ID

None

Components

Fix versions

Priority

Medium
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