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JSP/Servlet library for standalone application?
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Tom Rodrigo
Greenhorn
Joined: Dec 07, 2001
Posts: 26
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Hi all, I don't know much about JSP and Servlets but was wondering if a package which is intended for the use with JSP/Servlet also can be used for a java application. Can this be done easily or is it more complicated? Thanks, Tom
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Vikas Aggarwal
Ranch Hand
Joined: Jun 22, 2001
Posts: 140
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Mostly you can not because they are HTTP based and require javax.servlet package to work.
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Vikas Aggarwal
Founder @
Leads and Deals Limited
www.LeadsAndDeals.com
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William Brogden
Author and all-around good cowpoke
Rancher
Joined: Mar 22, 2000
Posts: 12268
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You can embed a servlet engine in a Java application so that it could run servlets and JSP but you would still have to use a browser to see the resulting HTML. Article on embedded Tomcat http://www.onjava.com/pub/a/onjava/2002/04/03/tomcat.html Bill
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Java Resources at www.wbrogden.com
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Tim Holloway
Saloon Keeper
Joined: Jun 25, 2001
Posts: 14475
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... Either that or use an HttpURLConnection!
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Customer surveys are for companies who didn't pay proper attention to begin with.
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Ken Robinson
Ranch Hand
Joined: Jul 25, 2002
Posts: 52
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Servlets can be thought of a 'plug ins' to a web browser. Bits of logic you write that take a web request, do a bit of work and return a new page (usually via JSP). It is totally possible to write your logic as a series of Servlets and then have a stand along front end (using an HttpURLConnection as stated) to connect to the web server, get the bit you want and parse the output (HTML or even XML). The more common approach is to deploy the logic as a series of EJBs. Both the Servlet and Stand Alone App would be clients of the EJB. This allows you to code and deploy the logic only once while making use of it in several locations.
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Tom Rodrigo
Greenhorn
Joined: Dec 07, 2001
Posts: 26
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Hi vikinsa, William, Tim & Ken, thanks for all of your answers, this is what I needed to know! Regards, Tom
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subject: JSP/Servlet library for standalone application?
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