🔥Java Spring Framework | Sinhala | 2025 | Part 04 | Creating a Custom JWT Filter

Java Spring Framework | Sinhala | 2025 | Part 04 | Creating a Custom JWT Filter with OncePerRequestFilter | AUK WIJESINGHE

In this fourth video of the Java Spring Boot tutorial series, we explore how to create a custom JWT filter using the OncePerRequestFilter class in Spring Security.

You’ll learn how this filter fits into the security framework, allowing us to process JWT tokens for each incoming request. The video covers the entire process of extracting tokens, validating them, and setting up the security context to authenticate users based on the token's data.

Through detailed explanations and examples, I’ll show you how to seamlessly integrate the custom JWT filter into the Spring Security configuration, ensuring your application has a robust and secure authentication mechanism.

By the end, you’ll have a solid understanding of how to manage JWTs effectively in a Spring Boot application. This is a key step toward mastering Spring Security in modern web applications.

Stay tuned for more, and don’t forget to subscribe for updates on the series.

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