How to show the file contents in a streaming manner on the browser

Hi,
I have a log file which gets appended to by another program.
I need to show the contents of this log file in the browser window but in a streaming manner. Reading the file in one shot and refreshing the page every few seconds is not a solution as it makes the browser hang when the file size is huge. A unix tail functionality is also acceptable but it should be streaming. Would a servlet or applet do the trick?
Please advise!

is your log file present on web/application server? if yes, you can do the following:
1. create a web page containing text area. (for displaying log file)
2. use XmlHttpRequstObject (Ajax) for querying the next available data from Servlet.
On the Serverside:
You can store the the FileScanner object in session scope. and use it to read the next available data and send it as response.
On the client Side(webpage/javascript)
read the contents of the response and append it to textarea.
In Simple words, I'd say AJAX is the way to go.

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