When running the web application, you would see the result like this: That’s the solution to implement the hit counter feature to display the total pageviews and current online users for a website developed in Java. The pseudocode to implement this filter would be like this: class Filter To understand more about how to modify the response using Java filter, read this article.For reference, you can download the full project’s code in the Attachments section below. The following picture illustrates this technique: The benefit of using filter mechanism is that, it doesn’t alter any pages nor existing code – thus easy to implement. To count the pageviews, we use a Java Servlet Filter that intercepts all requests coming to the web application, and increase the pageview number by 1 for every request. In this tutorial, I will guide you how to implement the hit counter feature that displays total number of pageviews and number of online visitors for a Java web application – this kind of information is displayed at the end of every web page like this: Total Pageviews: 123,456 – Online Visitors: 45When a user visits a webpage, a pageview is counted and accumulated to the total pageviews.
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