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iViews based on J2EE

Hi all,

Being new to the EP platform,I have a few simple queries:

As far as I know,one can develop iViews in two methods:

1)using java(JSP Dynpage packaged as .PAR files) and

2)using webdynpro.

But my question is:

can I develop iViews with a J2EE application which contains JSPs,EJBs,Servlets(packaged as .EAR files in SAP Netweaver Studio)?

If yes,pls tell me how do I do it?

If no,can anybody explain how else can a J2EE application be used in portal platform.

thanx in advance.

regards,

Prasanna.

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  • Posted on Nov 22, 2004 at 12:29 PM

    Hi Prasanna,

    this needs some clarifying concerning wordings:

    1.) An iView is an "instance" of a portal component. Within the Portal, you have deployed different applications, each app consists of one ore more components (and/or services, but services are faceless).

    2.) The "traditional" way to implement such a component is to do it directly via HTMLB, JSPDynPages etc. Deploy this app within the portal and then you can create an iView build directly on this component.

    3.) Alternatively, you have components at hand, which import other applications / or web stuff. The most simple for example is an URL-iView. This is an iView using a component which just retrieves the content from some URL given. A more complex example is the ApplicationIntegrator, which does the same plus passing login params etc.

    4.) One possibility is to integrate WebDynpro-Applications via a specific WebDynpro iView. The combination of this has the added value that from WebDynpro Applications you are able to use the Portal Services, so you have a far more tight integration.

    5.) With all this at hand, the rest should be self declaring: Yes, you can develop "normal" J2EE-Apps, based on "good old JSP/Servlet + EJB" technology and integrate it via URL/AppIntegrator iViews. But you can also use WebDynpro for your frontend and EJB's for your backend with the advantage of tighter integration.

    Hope it helps

    Detlev

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    • Former Member Former Member

      Hi Praveen,

      Welcome to the world of EP!!.

      Well,I am not sure what exactly do u mean by 'porting' a BSP application to Portal but when one tries to create a iView in the Portal,the subsequent dialog box gives an option to create an iView from BSP application and u can follow the subsequent dialog boxes to develop an iView out of the BSP application.

      Of course,I assume that u know how to develop a BSP application.

      Hope it helps,

      prasanna.

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