Spring Full-Stack Practical Cases

Sep 19, 2024 · Backend Development

How to Accurately Detect File MIME Types in Java: 6 Practical Methods

This article explains why validating file types is essential for security and demonstrates six Java-based techniques—including Java 7 API, URLConnection, MimeTypesFileTypeMap, jMimeMagic, Apache Tika, and Spring's MediaTypeFactory—to reliably determine a file's MIME type under various conditions.