Java Servlets are foundational to Java EE. You can use servlets and servlet filters to provide applications in your portal context and to process requests and responses to specific URLs in your sites. The tutorials here cover servlet technology and how it integrates with Liferay Portal.

Servlets in a Module

You can use servlets or JAX-RS to provide a lightweight web integration or a web endpoint to a browser client. Servlets, rather than REST endpoints or portlets, let you control an application’s...

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Servlet Filters

Servlet filters can both pre-process requests as they arrive and post-process responses before they go to the client browser. They let you apply functionality to requests and responses for multiple...

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