Invoking a servlet on a time based event

[Harshavardhan Joshi]

Hi All,

I wanted to know that is there any provision in Listener interface using which I can invoke a Servlet.

Its like scheduling a task at regular intervals.

Currently I am using Resin server which provides this kind of functionality.

You just have to add some tags in your DD as given below.

<servlet name='alarm' servlet-class='test.TestAlarm'> <run-at>:00, :15, :30, :45</run-at> </servlet>

But I need something which will not be server/container specific.

Thanks.

[Jeanne Boyarsky]

You could use the Timer service to call another class/method. However, a servlet's doPost/doGet require you to have an Http request open. Which you don't on a timer event. In other words, it would be more logical to call a non-servlet method. You could extract the logic from your servlet into a helper class/method that doesn't depend on the servlet API.

[Miku Ranjan]

Hi,
Please check usage of Quartz that may be useful to you.