Difference between abstract portal component ,dynpages and jsp dynpage

Hi All,
I am new to the SAP world.Can you help me out in finding the difference between abstract portal component ,dynpages and jsp dynpage in Portal development.Please send me any information.

Hi,
Welcome to SDN Community
This blog will brief you the differences between them,
Java development methodologies (Part II)
Regards
Srinivasan T

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Difference between Abstract portal Component and JSPDyn page.

Hi Experts,
What is the difference between Abstract portal Component and JSPDyn page.
Thanks,
Jay.

Hi,
The PDK provides two methods for creating a portal component:
Abstract Portal Component
The Abstract Portal Component class offers a lean method for writing HTML commands to the Web client as well as for basic event handling. It is an implementation of the IPortalComponent, which is the central abstraction of the Portal Component API.
DynPage
The Page Processor Component, which extends the Abstract Portal Component, returns a DynPage. It provides more sophisticated event handling. Controls that produce events (such as buttons and checkboxes) have an event attribute that contains the name of the event handling method. This event handling method is invoked by the DynPage when it occurs.
The JSPDynPage is an implementation of the DynPage and allows the use of the DynPage in combination with JSP (Java Server Pages).
The PDK documentation and examples focus on the DynPage. Easier event handling and the separatation of content development (JSP) from application development (Java) make the DynPage a better choice for components with interaction and changing content.
For more details, Refer thes thread,
https://fortress.wa.gov/dop/portal/irj/portalapps/com.sap.portal.pdk.basic.portalcomponentimplementation/docs/jspdynpage.html
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/f0b3e9d5-b2af-2a10-20ba-9f6ce6b1a27f
Hop it helps..
GS
Edited by: Sathishkumar GS on Apr 14, 2008 2:07 PM

Differences between the Portal Data Collector and the Activity Data Collect

Hello,
I want to know what are the differences between the Portal Data Collector and the Activity Data Collector?
Best Regards.
Pablo Mortera.

All of my SQL Server instances are sql server 2008r2 standard edition(10.50.2500). MDW is existing database, I try to setup collection sets for multiple instances and store data in one central MDW database
I create MDW in one instance, then run run configure Management Data Warehouse in target intance. collection sets were created successfully, but job failed with following error:
Executed as user: COCAD\INTDEPT01SQLAgentC10. The Management Data Warehouse version "00.00.0000.00" is not supported by the current data collector. Please upgrade the Management Data Warehouse by running the Management Data Warehouse Configuration
Wizard. Process Exit Code 5. The step failed.
Thanks
PAULqaz

Abstract Portal Component VS Dynpage

Can any one explain the differences between Abstract portal component and JSP DYN PAGE?
When to use where ?
How can we provide communication between iViews with in the same component / different components.
Useful answers will be rewarded with points.
Thanks

Mohan,
Abstract portal component as it says its an abstract component .In portal applications we have certain requirements which include only some business logic to be implemented ,for such cases u write the function in abstractportalcomponent and use this as a single entity.It generally not used for building applications with UIs..
So for a portalapplication wher u need to include UI,controller,and databased/Backend connectivity .JspDynpage suits here.It is the framewrk provided which has JSP view,java controller,and beans model..
For instance if u have developed a user login form and saving it to database.
U develop it using JSPdynpage.
But her if u have an enhancement of including the page to be printed.
U can create a abstractportalcomponent and use it in earlier Jspdynpage.
So advatage is modular specific business process can done and integrated with an application..
Future advancements is easy.
for performance info check this
<a href="https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/3fbea790-0201-0010-6481-8370ebc3c17d">pdf</a>
Thanks,
Swathi

Difference between Oracle Portal & Oracle Forms

What is the difference between Oracle Portal & Oracle Forms and when would use
them?
Thanks

Hi,
Oracle Portal is like a Website that acts as a "doorway" to the Internet or a portion of the Internet, targeted towards one particular subject. Oracle Portal is very popular among developers & architects who wish to aggregate content from multiple souces and present them to the users on a single WebSite.
Oracle Forms is a long-established technology to design and build enterprise applications quickly and efficiently. You can develop your enterprise applications in Oracle Forms easily, by using it's out-of-the box "drap & drop" features and enriched programming features.
Forms is used to develop enterprise applications - Portal is used as a "doorway" to many such enterprise applications. It's a crude way of answering your question " when to use Forms / Portal ? ", but I guess it would give you an idea.......
Good Luck !
Regards,
Sandeep

Reading Session Variables in Abstract Portal Component/ JSP Dynpage or Java

Hi All,
I have a web dynpro for Java component which passes parameters in a session and also navigates to a Java application.
Now when I try to read the session parameters in the Java application (JSPDynpage or Abstract Portal Component) I cannot retrieve the values.
Can someone throw light on how I can achieve this within a Java application.
Code is as enclosed below -
WD for Java Code
public void onActionClicked(com.sap.tc.webdynpro.progmodel.api.IWDCustomEvent wdEvent )
    //@@begin onActionClicked(ServerEvent)
IClientSession session = Utils.getCurrentClientSession();
IScope scope = session.getScope();
scope.put("TestSession", wdContext.currentContextElement().getTxtValue());
WDPortalNavigation.navigateAbsolute(
"ROLES:portal_content/com.be.pct.cr.Test/DynProToNet",
WDPortalNavigationMode.SHOW_INPLACE,
(String)null,
(String)null,
WDPortalNavigationHistoryMode.NO_DUPLICATIONS,
(String)null,
(String)null,
(String)null);
    //@@end
Code within the Abstract Portal Component doContent method is -
IPortalComponentSession ses;
ses = request.getComponentSession();
String TestSession = new String();
String sTest = new String();
String sTesting = new String();
if(ses.getValue("TestSession")!= null){
TestSession = ses.getValue("TestSession").toString();
if(request.getParameter("TestSession")!= null){
sTest = request.getParameter("TestSession");
if( request.getValue("TestSession")!= null)
sTesting = request.getValue("TestSession").toString();
response.write("Display"TestSessionsTest+sTesting);
Any help is highly appreciated.
Thanks in advance,
Divya

Hi,
Why not use eventing between webdynpro and portal applications? That would be more easy. Check these documents.
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/60d7d690-0201-0010-e581-9c4fc69cec0e
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/d48eaa90-0201-0010-58a8-887fc8632c3c
Regards,
Harini S

Calling a JSP from abstract portal component

hi,
I have included a JSP in a abstract portal component and on click of submit in 1st JSP i have to show an another JSP.How can i do this???
Regards
Sushanth

When you say submit do you mean HTMLB submit or a normal HTML form submit? If it's the latter, you just need an action on your form...
<form action="jspfile2.jsp">

What is difference between abstraction and encapsulation ?

Hi,
I am trying to figure out the difference between abstraction and encapsulation but confused.
Both are used for data hiding then what is the exact difference ?
Thanks.

Tushar-Patel wrote:
I am trying to figure out the difference between abstraction and encapsulation but confused.
Both are used for data hiding then what is the exact difference ?This is the picture I have:
When you encapsulate something you get an inside and an outside. The outside is the abstraction. It describes how the encapsulated entity behaves viewed from the outside. This is also called the type. Hidden inside is the implementation. It holds detail information about how the type's behaviour is accomplished.
It's a very simplified picture but I think it's quite accurate and it works for me.

Difference between abstract interface and normal interface

Hello Friends,
What is the Difference between abstract interface and normal interface?....

What is the Difference between abstract interface and
normal interface?....The difference is that you didn't follow convention in the first case. All interfaces are implicitly abstract so you don't have to declare them as such.

What is the difference between CE Portal and normal Portal

Can someone tell me the difference between CE Portal & Normal Portal. I mean, I keep hearing that SAP EP 7.2 is CE portal whereas SAP EP 7.3 is not CE portal.
Can I assume that CE (Composite environment) is a failure model so SAP switched back to Non-CE environment ? Your inputs please.

Hello,
SAP NetWeaver Composition Environment 7.1 and 7.2 have been introduced as a lean "side-car" approach to complement the SAP NetWeaver standard release. Main reason was to provide composition tools and services based on a enhanced Java technology stack (back the time).
The official successor of SAP NetWeaver 7.0 (or any of the enhancements packages) has been SAP NetWeaver 7.3 (where we brougth various tools together back into one SAP NetWeaver codeline.) Nowadays we recommend the latest release: SAP NetWeaver 7.4 including the Enterprise Portal 7.4.
Customers & Partners who did not want to install the full SAP NetWeaver Java stack had the chance to only go with the Composition Environment - that contained selected portal core services. These are mainly used for application integration / launching scenarios and not supportin full enterprise portal (intranet / extranet) scenarios - that's why there is no KM included.
Hope this helps to get a better understanding.
Regards,
Thomas

Size limitation for a .jsp in abstract portal component

Hi all,
i am facing a problem in case of size of .jsp file in abstract portal component. if i remove some of the content from that file then it works fine,
do anybody know is there a limitation from Portal side, or any body know the solution for this .
thanks in advance
Kedar

When you say submit do you mean HTMLB submit or a normal HTML form submit? If it's the latter, you just need an action on your form...
<form action="jspfile2.jsp">

IPortalComponentRequest in JSP from Abstract Portal component

Hi,
I have an abstract portal component like this:
import com.sapportals.portal.prt.component.*;import com.sapportals.portal.prt.resource.IResource;public class Nav2 extends AbstractPortalComponent{    public void doContent(IPortalComponentRequest request, IPortalComponentResponse response)    {          IResource jspResource = request.getResource(IResource.JSP, "jsp/Nav2.jsp");          response.include(request, jspResource);    }}
Now in the called JSP, I want to use the request object.
e.g.
Hashtable env = new Hashtable();env.put("NavigationPrincipal",request.getUser());
But, the request object is not available.
How to I get the same object available here?

Hi Praveen,
Thanks for the solution but I get some error when I add
String theCall = service2.createAbsoluteNavigateClientCall(myNavNode.getName(),IClientNavigationGenerator.SHOW_INPLACE,null,null);
The code is like this:
import com.sapportals.portal.prt.component.*;
import com.sapportals.portal.prt.resource.IResource;
import java.util.*;
import com.sapportals.portal.navigation.*;
import com.sapportals.portal.prt.runtime.*;
import com.sapportals.portal.prt.session.IUserContext;
import com.sapportals.portal.prt.util.StringUtils;
public class Nav2 extends AbstractPortalComponent
    public void doContent(IPortalComponentRequest request, IPortalComponentResponse response)
          //IResource jspResource = request.getResource(IResource.JSP, "jsp/Nav2.jsp");
          //response.include(request, jspResource);
          response.write("hello india");
          Hashtable env = new Hashtable();
          env.put("NavigationPrincipal",request.getUser());
          INavigationService service = (INavigationService) PortalRuntime.getRuntimeResources().getService(INavigationService.KEY);
          INavigationNode myNavNode = service.getNodeByQuickLink(env,"help");
          IClientNavigationGenerator service2 = (IClientNavigationGenerator) PortalRuntime.getRuntimeResources().getService(INavigationService.KEY);
          String theCall = service2.createAbsoluteNavigateClientCall(myNavNode.getName(),IClientNavigationGenerator.SHOW_INPLACE,null,null);
Can you please help out on this one?
Thanks

What is the difference between Abstract class and Interface ?

Hi,
Could u plz tell me the difference between Abstract class and Interface?
Thanks in advance.
Gopi

Lots.
An abstract class can contain some method implementations, or indeed all the method implementations. It may contain methods with all the various access modifiers. It cannot be instantiated. A class may inherit from only a single abstract class.
An interface contains only public method stubs and constants. A class may implement multiple interfaces. An interface cannot (obviously) be instantiated.
Abstract classes are particularly useful when you need to provide a semi-complete implementation for reuse. Interfaces are used more like types.
Look at java.util.* for some good examples of the use of both.

Difference between abstract classes and interfaces

I actually wonder about what are the differences between abstract classes and interfaces may somebody give an example code about it?
and i have one more question how can i use interfaces like multiple inheritance ? i mean when i implement an interface like
class a extends b implements c,di have to use all c and d methods but what that methods means?
I mean as i know we cannot make implementations of methods in interfaces
but for example in runnable interface there is a method like run() and it has been defined somewhere because it knows what to do(i mean when it will run), i just write my code into that method .

Once you get past the starting point (I am referring to the OP here), there are a few salient differences:
You can only extend (or generalize) a single superclass; however, you can implement (or realize) multiple interfaces. As such, all things being equal, using an interface in lieu of an abstract class 'frees' your design. Later, if you want the implementor of an interface to inherit from another class, there is not issue.
Any abstract method specifies a contract. However, abstract classes allow you to also add common behavior to subclasses. This is an overused justification for abstract classes, IMO. You can achieve the same effect using delegation and still having interfaces.
Always program to interfaces wherever possible. This means that you define an interface and have an implementing class (usually at a minimum). Do not do this for all your classes, but rather the ones that make your system unique (the domain model or M in MVC architecture). This allows you to later change implementation with a minimal amount of refactoring. This is a core precept from the Group of Four and any number of decent programming books.Best of luck.
- Saish

Use WebDynpro JCO Destination in Abstract Portal Component

Hello,
I was wondering if it is possible to use a WebDynpro JCo Destination in an Abstract Portal Component? I have a portal component that make as JCO call to run an rfc. I get the MYSAPSSO2 ticket from the cookie and pass this in to the JCO client. This works fine. Now I need to be able to run this for anonymous users as well. I was hoping to be able to retrieve a WebDynpro JCo destination that is set up as a userid/password type and use this to make the connection to run my RFC. This way I could avoid having to store the userid and password somewhere and encrypt/decrypt it etc...
Thanks,
Bert

Yes Asusha
You can use JSP , JSPDyn pages in Abstract portal component.
You can call a Jsp file from the abstract portal component.
    public void doContent(IPortalComponentRequest request, IPortalComponentResponse response)
     com.sapportals.portal.prt.resource.IResource somePage =
               request.getResource("jsp", "pagelet/test.jsp");
               response.include(request, somePage);
Then you can made your desired UI in JSP.
Hope this helps..
Cheers
Chinmaya
Reward for helpful answers

Difference between abstract portal component ,dynpages and jsp dynpage

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