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This guide explains how to implement dynamic file downloads in Struts2 by leveraging OGNL expressions in your configuration. 1. The Core Concept: The Stream Result

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: The MIME type of the file (e.g., application/octet-stream for generic binaries or image/jpeg for images). This guide explains how to implement dynamic file

: You can also make the contentType dynamic by using ${contentType} in the XML and providing a getContentType() method in your Action. struts2 file download dynamic filename