From the course: Java EE 8 Essential Training

Unlock the full course today

Join today to access over 22,600 courses taught by industry experts or purchase this course individually.

Filters

Filters - Java EE Tutorial

From the course: Java EE 8 Essential Training

Start my 1-month free trial

Filters

“

- [Narrator] Filters are another component found in the Servlet specification. Filters sit in front of Servlets to allow transformations to be applied to request and responses process by a Java EE application. This is beneficial when building an application that requires some logic to be applied to every request. Logging and security are very common use cases for filters. Let's take a look at how we can put a filter in place within our application. It's really simple. All we need to do is go to the com dot LinkedIn dot Servlet package. Right click, and then hover over new, and then go to other. Within the new dialogue, we can simply type filter, and that will narrow down the selection to the filter object. And just select that and hit next. And then here we can supply a name for our filter, which I'm going to name the Parameter Logging Filter. Once that name's in place, we can hit next. And then you'll notice that…

Contents