Best portlet development (IDE & portal)?

Hi;
What�s the best system for developing a portlet (portal, IDE, JSF/?, etc)? My requirements are:
1. I have to create a portlet that runs on any portal. We will test on WebLogic, WebSphere, & JBoss at a minimum.
2. It does need to support WSRP � and we will test it working via that on Microsoft�s portal.
3. There is no legacy code.
4. It can require java 1.5.
??? � thanks - dave

Hi Umberto,
Did you have a chance to take a look at the Portal Developer's Guide?
The Building Java Portlets chapter walks you through the steps you need to take.
Good luck,
Peter

Similar Messages

Newbie question - Portlet development in Portal using JDeveloper

Hello.
I've tried to develop a portlet using Oracle JDeveloper, then using it in an Oracle Portal-provided web page.
I'm so really confused... I don't know where to start!
Let'say the portlet is a very simple Hello World static html or jsp page.
What could I do in order to use it in Portal?
Have I to use jpdk? How?
Or have I to deploy it in the Application Server home OC4J as a web application?
Or have I to deploy it in the OC4J_Portal as a web application?
Or....
If this helps, here is my platform:
I'm using Oracle Application Server 10g Portal as middle-tier. It is correlated to an OID/Infrastructure istance wich provides Single SignOn for the applications, based upon an Oracle 9i database, in which runs Oracle Workflow; my needs are to use a Workflow based Java applications in the Oracle Portal as portlets.
Don't worry: by now, I'm interested in just knowing how to run in the Portal a simple Hello World portlet built with JDeveloper...
Please, help me.
Thank you in advance.
- Umberto

Hi Umberto,
Did you have a chance to take a look at the Portal Developer's Guide?
The Building Java Portlets chapter walks you through the steps you need to take.
Good luck,
Peter

Announcing: Developing JSF Portlets with WebLogic Portal Whitepaper

Just Released: Developing JSF Portlets with WebLogic Portal Whitepaper
A supplemental developer's guide has been published to help guide WLP 10.x customers that wish to use JSF as the web framework for building portlets on WebLogic Portal. This is a sizable document (150 pages) that covers a large number of topics. It also coaches developers on best practices and common pitfalls.
Important: It also clarifies the supported configuration of JSF within Portal Web Projects. Workshop for WebLogic by default configures a web project in a configuration that is not supported by WebLogic Portal. The guide explains how to address this:
* Change from the unsupported MyFaces JSF implementation to the supported Sun Reference Implementation (RI)
* Change from the unsupported "client" STATE_SAVING_METHOD to the supported "server"
The guide can be downloaded here:
http://download.oracle.com/technology/products/weblogic/portal/weblogic-portal-jsf-whitepaper.pdf
To help internet searches locate this document, the table of contents is reproduced below:
Introduction
1.1. Prerequisites...................................................................... 8
1.2. Applicable Versions............................................................ 8
1.3. Native Portlet Bridges and Standard Portlet Bridges .......... 8
1.4. JSF Portlet Support Roadmap ........................................... 9
1.5. Whitepaper Structure ....................................................... 10
1.6. Look Before You Leap ..................................................... 10
1.7. For More Information........................................................ 10
Part 1: Converting JSF Applications into Portlets
2. IDE Support for JSF Portlets Chapter ...................................... 12
2.1. Workshop for WebLogic – WebLogic Portal's Supported IDE 12
2.2. Workshop Features for JSF Support in WebLogic Portal.. 12
3. Introduction to JSF Portlets Chapter ........................................ 18
3.1. Creating Your First JSF Portlet......................................... 18
3.2. Essentials of JSF Portlet Views........................................ 21
3.3. WebLogic Portal Artifacts................................................. 22
4. Configuring JSF within WebLogic Portal Chapter..................... 24
4.1. JSF Library Modules in WebLogic Server ........................ 24
4.2. Installing the JSF Libraries into a Portal Web Project ....... 25
4.3. JSF Configuration Settings............................................... 27
4.4. Configuring JSF 1.2 ......................................................... 29
4.5. Building an Unsupported JSF Implementation Library Module 31
4.6. Faces Configuration is Web Application Scoped.............. 31
5. Navigation within a JSF Portlet Chapter................................... 33
5.1. Navigating within a Portlet with the JSF Controller ........... 33
5.2. Redirects.......................................................................... 34
6. Namespacing Chapter ............................................................. 35
6.1. Namespacing Managed Bean Names.............................. 35
6.2. Client ID Namespacing with the View and Subview Components 35
6.3. Client ID Namespacing with the WLP NamingContainer .. 36
7. Logging, Iterative Development, and Debugging Chapter ........ 39
7.1. Logging............................................................................ 39
7.2. Iterative Development ...................................................... 39
7.3. Debugging ....................................................................... 40
8. Custom JavaScript Chapter ..................................................... 42
8.1. DOM Manipulation within a JSF ....................................... 42
8.2. Form Validation within a JSF Portlet ................................ 45
9. Preparing JSF Portlets for Production Chapter ........................ 46
9.1. Configuration.................................................................... 46
9.2. Performance and Scalability............................................. 47
9.3. Security............................................................................ 49
9.4. Localization...................................................................... 50
Part 2: Interacting with the Portal Environment
10. Native Bridge Architecture Chapter ...................................... 54
10.1. Container Architecture Overview.................................. 54
10.2. Container Architecture.................................................. 54
10.3. Container Interactions .................................................. 55
11. Interportlet Communication Chapter .................................... 56
11.1. Using Session and Request Attributes for IPC (Anti-pattern) 56
11.2. Using the WLP Event Facility for IPC with JSF Portlets 56
11.3. Notifications ................................................................. 60
11.4. Comparison of the IPC Approaches ............................. 60
12. Scopes Chapter ................................................................... 62
12.1. Conceptual Scopes for Standard JSF Applications ...... 62
12.2. Conceptual Scopes for Portal Applications................... 63
12.3. Implementation Patterns for Portal Scopes .................. 63
13. State Sharing Patterns Chapter ........................................... 66
13.1. State Sharing Concepts ............................................... 66
13.2. HttpSession Versus HttpServletRequest ...................... 66
13.3. Base Code for HttpSession Patterns ............................ 67
13.4. Single Portlet Pattern ................................................... 68
13.5. Multiple Portlet Patterns ............................................... 69
14. Rendering Lifecycles Chapter .............................................. 77
14.1. WLP and JSF Lifecycles .............................................. 77
14.2. Invocation Order of WLP and JSF Lifecycle Methods... 77
14.3. Accessing WLP Context Objects from JSF Managed Beans 78
15. Portal Navigation Chapter .................................................... 80
15.1. Programmatically Constructing JSF Portlet URLs ........ 80
15.2. Changing the Active Portal Page.................................. 80
15.3. Redirects within a Portal............................................... 83
16. Ajax Enablement Chapter .................................................... 85
16.1. Ajax in JSF Portlets...................................................... 85
16.2. Partial Page Rendering Pattern.................................... 85
16.3. Stateless API Request Pattern ..................................... 86
16.4. Portlet Aware API Request Pattern .............................. 87
16.5. Controlling the WLP Ajax Framework........................... 91
17. Additional WLP Features Chapter........................................ 93
17.2. Portlet Container Features ........................................... 93
17.3. Portal Container Features ............................................ 98
18. Example: Implementing a Login Portlet Chapter .................. 99
18.1. Login Portlet Motivation................................................ 99
18.2. Login Portlet Design..................................................... 99
18.3. Login Portlet Implementation...................................... 101
Part 3: Integrating Third Party Libraries
19. Integration Overview Chapter............................................. 111
19.1. Types of Libraries....................................................... 111
19.2. Roadmap for MyFaces Trinidad and ADF Faces Rich Client 111
20. Using the Facelets View Technology Chapter.................... 113
20.1. Introduction to Facelets .............................................. 113
20.2. Configuring Facelets Support ..................................... 113
21. Using the Apache MyFaces Tomahawk Component Library Chapter 115
21.1. What is Apache MyFaces Tomahawk? ...................... 115
21.2. Support for Tomahawk in WLP................................... 115
21.3. Tomahawk Component List........................................ 116
21.4. Installing and Configuring Tomahawk......................... 119
21.5. Resolving the Duplicate ID Issue................................ 120
21.6. Referring to Resources .............................................. 120
21.7. forceId Attribute.......................................................... 124
21.8. File Upload................................................................. 125
22. Using the Apache Beehive Navigation Controller Chapter . 126
22.1. Apache Beehive Page Flow ....................................... 126
22.2. JSF and Page Flows .................................................. 126
22.3. Configuring the JSF Integration with Page Flows ....... 127
Appendices
23. Appendix 1: Consolidated List of Best Practices ................ 130
24. Appendix 2: Known Issues and Workarounds.................... 132
24.1. CR383659, CR383662 Inconsistent failures with JSF portlets 132
24.2. CR342124: IllegalStateException due to duplicate client-id 132
24.3. CR384916: IllegalStateException due to duplicate client-id when using certain components such as Tomahawk and Trinidad...... 133
24.4. CR361477 Problems with the integration of JSF portlets with Apache Beehive Page Flows.................................................................. 133
24.5. CR377945 JSF 1.2 suffers from a memory leak during iterative development .............................................................................. 134
25. Appendix 3: The JSFPortletHelper Class ........................... 135
26. Appendix 4: The CleanupPhaseListener Class .................. 147

Hi Peter!
First, I wish to thank you for the great work.
We followed your whitepaper and managed to deploy a JSF portlet on WLS.
But we are not able to register it (consume it) as remote portlet in Oracle Portal 10.1.4. The error log is as follows:
An error occurred while trying to refresh the provider. (WWC-43190)
An error occurred during the call to the WSRP Provider:
java.rmi.RemoteException: serialization error: serialization error:
unexpected null value for literal data; nested exception is:
serialization error: serialization error: unexpected null value for literal data
com.sun.xml.rpc.encoding.SerializationException: serialization error:
serialization error: unexpected null value for literal data
com.sun.xml.rpc.encoding.SerializationException: serialization error:
unexpected null value for literal data
Java stack trace from root exception:
unexpected null value for literal data
at
oracle.webdb.wsrp.RegistrationContext_LiteralSerializer.doSerialize(RegistrationContext_LiteralSerializer.java:107)
at
com.sun.xml.rpc.encoding.literal.LiteralObjectSerializerBase.internalSerialize(LiteralObjectSerializerBase.java:119)
at
com.sun.xml.rpc.encoding.literal.LiteralObjectSerializerBase.serialize(LiteralObjectSerializerBase.java:70)
at
oracle.webdb.wsrp.GetServiceDescription_LiteralSerializer.doSerialize(GetServiceDescription_LiteralSerializer.java:88)
at
com.sun.xml.rpc.encoding.literal.LiteralObjectSerializerBase.internalSerialize(LiteralObjectSerializerBase.java:119)
at
com.sun.xml.rpc.encoding.literal.LiteralObjectSerializerBase.serialize(LiteralObjectSerializerBase.java:70)
at
com.sun.xml.rpc.client.StreamingSender._writeRequest(StreamingSender.java:473)
at com.sun.xml.rpc.client.StreamingSender._send(StreamingSender.java:62)
at
oracle.webdb.wsrp.WSRP_v1_ServiceDescription_PortType_Stub.getServiceDescription(WSRP_v1_ServiceDescription_PortType_Stub.java:63)
at
oracle.webdb.wsrp.client.design.v1.OraWSRP_v1_ServiceDescription_PortType.getServiceDescription(Unknown
Source)Do you have any idea why this happens? Or you can provide some useful links to WLP -Oracle Portal federation?
Thank you and best regards,
PaKo

Workshop IDE for WebLogic Platform - JSF Portlet Development

Hello,
I am trying to develop JSF based portlets using BEA Workshop for WebLogic Platform IDE. The capabilities of the IDE in terms of JSF is like a simple text editor. Since the IDE is eclipse based, I wanted to to use some Third Party Plugin for JSF development.
I evaluated the following:
1. Workshop Studio for JSF
2. MyEclipse PlugIn for JSF
Problem 1:
Workshop Studio for JSF is a separate product and cannot be installed as an plugin over the Workshop IDE.
Is this acheivable?
Problem 2:
I created a Portal application Workspace through Workshop for Platform and opened the same using Workshop Studio for JSF. It crashed saying some runtime exceptions.
Problem 3:
MyEclipse PlugIn for JSF doesnt integrate properly with Workshop IDE. The Faces navigational flow view is not working properly.
Questions:
1. What is BEA's recommendation for JSF development?
2. Can you guide me how other developers are using the IDE for JSF development?
Thanks and regards,
Pazhanikanthan. P

Hi Pazhanikanthan,
Unfortunately, in the current release the JSF features cannot be used to create JSF portlets.
Please check the following URL for additional information on JSF portlet creation
http://e-docs.bea.com/wlp/docs92/portlets/building.html#wp1062147
If you are planning on building JSF web applications, you can always evaluate and purchase a copy of Workshop for JSF or Workshop Studio.
if you are planning on building JSF based pportlets, you will need to sue the tooling provided by Workshop for WebLogic 9.2
Applications built in Workshop for WebLogic cannot be imported into Workshop Studio. On the other hand, you can always create a webapp in Workshop Studio,a nd then import it into Workshop for WebLogic as a component.
hope this helps.
cheers
Raj
If you have additional questions specific to portlet development, please post to the portal newsgroup at http://newsgroups.bea.com/bea/forum.jspa?forumID=2044

Which is the best user-friendly IDE for swing program development

Which is the best user-friendly IDE for swing program development

I have seen Sun's Forte and IBM's Visual Age for Java.
But Borland's JBulider 7 Personal Edition is far more superior than any of these.Borland's JBuilder is the Best.
Ranga.

Design patterns in portlet development

Hello,
I am a student at the Technical University in Munich, Germany and I am working on a university project on design patterns for portlets.
The focus of my work is researching the best practices when developing a web portlet, especially which design patterns are the most suitable for portlets development.
For example, the MVC pattern is one of the most popular design patterns for portlets.
I am writing to you to ask which design patterns are used in the development of your portlets from the SAP Enterprise Portal.
- What design patterns do you use for your portlets?
- Do you use MVC among others?
- Do you have your own design patterns?
- Do you use any templates or guidelines for portlet development that involve design patterns?
I am looking forward to your answer. Any answer would help with the research, as experts interviews are part of my work in the project.
I appreciate any references you consider to be related to my search.
Thank you,
Julia Alexandrescu
Department of Informatics
Technical University Munich
Email: [email protected]

Hi raaj,
I have a query related to this.
I am a beginner to portlets.
Say I have an existing struts application.What all do i need to modify or add to make a .portlet file out of it so as to make it deployable in Weblogic 8.1 SP3?
Is adding a portlet.xml enough?
if yes, what would the portlet.xml look like?
Do i need to add a separate class as well?
I couldnt get any sufficient answers from other forums.
Can you please help?
Thanks & Regards,
Nishant

JSP developing in Portal

Hello,
I can't find information about JSP developing in Portal.
Last year I seed all this information:
about provider registering
about portlet personalization and customization
about registering in Apache
about "show" (etc.) modes for portlets
special guidelines for JSP-portlet developing
Yet I find only short (very short) courses. Where is full JSP developing
courses? I seed this last year, but all links doesn't works.
Do you have same information about JSP-portlet developing?
Can you help me?
Best & Regards
Cheslav

PortalStudio is constantly updated in terms of content orgainization
and to help the users find the technical resources quickly and
easily. The "Getting Started" document organizes the content
in a systematic manner which allows the users to navigate directly
to the feature they are looking for. Each link further describes
a feature completely including installation.
It can be accessed using
[ http://portalstudio.oracle.com/servlet/page?_pageid=350&_dad=ops&_schema=OPSTUDIO&12678_PDKHOME902_39847486.p_subid=249438&12678_PDKHOME902_39847486.p_sub_siteid=73&12678_PDKHOME902_39847486.p_edit=0 ]
Further, you might want to have a look at various demonstrations available at
[ http://portalstudio.oracle.com/servlet/page?_pageid=350&_dad=ops&_schema=OPSTUDIO&12678_PDKHOME902_39847486.p_subid=249518&12678_PDKHOME902_39847486.p_sub_siteid=73&12678_PDKHOME902_39847486.p_edit=0 ]
Hope it helps.
-AMJAD.

Which tool i should use to develope a portal

Hi all,
we are planning to develop a portal which we will expose to internet.
Now my question is which tool i should use to develope this
   1.BSP
   2. jspdynpage
   3.Webdynpro java
   4.Webdynpro abap
Which application will perform better on internet.
Lots of rfc calls and webservice calls are there.
plz give me suggestions .
Thanks
developer

Hi,
BSP - Abap workbench
JSP Dynpages - NWDS (Netweaver Dev Studio)
Webdynpro Java - NWDS
Webdynpro ABAP - ABAP Workbench
above all applications will perform at same level depend on the content.
best regards
Hari

JSF 2.0 portlet development

Hi there,
I'm new in the world of J2EE and I'm trying to develop JSF 2.0 portlets to run on JBoss Portal 2.7.
Unfortunately no JSF 2.0 portlet bridge standard exists (only for JSF 1.2), JBoss Portlet bridge still only supports JSF 1.2 and I didn't find any tutorial to make even a "Hello World" JSF 2.0 portlet.
The only thing I found is the project portletfaces, a JSF 2.0 portlet bridge, but it can only make it work on Liferay (for wich it is optimized), not on JBoss Portal (or even GateIn). Unfortunately for my project I absolutely need to use JBoss Portal...
Can anyone help me? Is it mandatory to use a portlet bridge for JSF 2.0 portlet development? Am I screwed?
Thanks a lot!
Nicolas!

802101 wrote:
Hi gimbal2, thank you for your answer :)
So yeah, you confirm what I thought: it's to soon, better wait the maturity of the thing
However, I still have this question: is it possible to develop portlets WITHOUT using a portlet bridge ? Don't I just have to add a few config files (like portlet.xml, jboss-web.xml) and it is on?
Thanks a lotOf course you can. The bridge is there for interoperability between portlets and other (mostly JSF-based) frameworks. There is nothing stopping you from creating portlets without the bridge and you should just do that until you find you actually need it. My development take on 'management by exception' :)

Deploying ADF/JDeveloper portlets in WebSphere Portal

I'd like to use ADF/JDeveloper to build my application, but my customer is already heavily invested on a WebSphere Portal deployment platform. The JDeveloper/ADF documentation has extensive information on creating portlets in various ways, but they all seem focused exclusively on deploying in an Oracle platform. I have tried both the "Standards-Based" as well as the "JSF Portlet Bridge". I have tried to deploy the portlets in WebSphere Portal using both the generated WAR file, as well as by registering the WSRP producer. None work.
With the WAR file, WebSphere Portal seems to import the WAR file just fine, and I can add a portlet to a page, but the portlet always shows as "unavaiable"
With the WSRP producer, I can get something to show in the page, but the functionality within the portlet doesn't seem to work.
I've searched extensively, but cannot locate any documentation or use cases for deploying portlets from JDeveloper into WebSphere Portal. Does anyone have any thoughts?

Dvohra21, again, I apreciate the effort, but I think you're missing the fundamental question.
You've given me two types of articles/links. Some are generic WebSphere Portal documentation about deploying a portlet from a WAR file. Others are Oracle articles about who to generate portlets in JDeveloper, with examples deploying in Oracle/WebLogic servers. Unfortunately I don't have a problem with either of those.
I CAN deploy a portlet WAR file in WebSphere Portal, and sucessfully add it to a Portal page. I have done that with multiple WAR files generated from Rational Application Developer.
I CAN produce a WAR file from JDeveloper, following the instructions in the same resources you included, plus a few others.
The problem is, the WAR file from JDeveloper, does not successfully run on WebSphere Portal. I create a simple Hello World portlet in JDeveloper, and I can generate a WAR file from it, and seemingly deploy to WebSphere Portal. However when I add it to a Portal page, it always displays only a blank box with the text "This portlet is unavailable". This is in the same exact portal page, where the portlet created with Rational Application Developer shows up just fine right along side it.
Bottomline is, although there is a great deal of information an demos about generating portlets from JDeveloper within an Oracle environment, I could not find a SINGLE ONE, that goes through an end to end scenario where it is deployed in WebSphere Portal. Nothing in this forum, nothing in Oracle docs, and nothing I can find on a Google search.

Copy/paste sql strings from development ide's.

Our team have just started using this tool in favor of the well-known toad. Frist impressions are really good, so keep up the good work! But sometimes you find that a very simple feature has great impact on coding effectiveness.
Very often people copies sql strings from their java development ide's and want to test this in their database tool. For instance:
" SELECT ... " +
" FROM ...." +
" JOIN ...." +
" WHERE ....";
Should become
SELECT ...
FROM ...
JOIN ...
WHERE ....
The same goes backwards, if you write a sql statement in your database tool you would like to quickly convert it to a java string. This perhaps simple, but beloved by us, little feature was available in our previous tool, but I can't find it in sql developer. I've temporarily solved this by using the search-and-replace dialog box with regular expressions. This is however quite awkward to do each time so my options are:
* Assign this search-and-replace operation to a hot key (is this possible?)
* Write an extension (I have trouble finding good documentation of extension development for sql developer)
* Request a feature (will probably take time even if it's accepted)
Could anyone give me some hints on how to solve this?
Or have I missed anything, is it already available somewhere in the tool?
Thanks.

Hi,
sometimes you find that a very simple feature has great impact on coding effectiveness.Tell me about it ;-)
* Assign this search-and-replace operation to a hot key (is this possible?)
By default, ctrl-r does a search-and-replace. There's a history drop-down to have a quick access to your regular expression once you've entered it once.
* Write an extension (I have trouble finding good documentation of extension development for sql developer)
You have some samples on Kris' blog.
* Request a feature (will probably take time even if it's accepted)
I agree, think it's difficult to make it some universal feature everyone wants to use.
Another thing that comes to mind is recording a macro (see the tip on the Exchange for help on this).
And I supose you could even make an external tool for this, using a batch file or something. This is much easier than an writing an extension i guess, and you can write it in the language you like best...
Hope this helps,
K.

How to register Business Object Portlet in Oacle Portal

Hi Gurus,
Could anybody give me an idea How to register Business Object Portlet in Oacle Portal.
Thanks & Regards
Vikram

Hi
I am also looking into BO portlets but maybe I am one step behind you as I am still trying to find where to download the provider from.
Could you tell me where to got the portlet from.
I recently went to the Business objects web site and could only find a java portal integration kit for JSR 168 platforms (10g included in the list)
at http://www.businessobjects.com/products/downloadcenter/boepik.asp

Proxy/Provider Portlets on multiple Portal Server Instances

Hello All,
I would like to the Pros and Cons for the following architectural scenarios:
Proxy Portlets and Provider Portlets on the same Portal Server Instance
Vs
Proxy Portlets and Provider Portlets on different Portal Server Instances
Can some one explain me the same?
Thanks a ton!
Ananth

Hi
This seems like an architecture question. The best place to post this is @ http://swforum.sun.com/jive/forum.jspa?forumID=80
Thanks
Srini

Testing a portlet developed in JDeveloper.

Dear All,
I am using JDeveloper to build the portlets with the help of PDK Software patched to JDeveloper. I want to test the portlets developed by me on the Standalone OC4J Server. Currently i dont have the access to the OracleAS application server, so i have to do all the testing on the OC4J itself.
Any little help would be of very use.
Thanks in advance.

A portal server such as OracleAS portal is required to run portlets.

Oracle Aplication Server Portal 10 G - configure portlets in Oracle Portal

Hi, I was reading through the Document " ORACLE APPLICATIONS SERVER PORTAL 10G release 2 (10.1.4 - Customized Portlets with BPEL.
On page 3 it refers to chapter 20 of a document caled "BEPL 10.1.2.0.2 Developer's Guide".
I couldn't find this document. It is supposed to teach youhow to configure out-of-box portlets in Oracle Portal.
Thanks

Hi Sleepy,
you can find this chapter here: http://download-uk.oracle.com/docs/cd/B14099_19/integrate.1012/b14448/portal.htm#sthref3420.
How to find it? http://otn.oracle.com -> documentation -> application server -> Oracle Application Server 10g Release 2 (10.1.2.0.2) Documentation (Previous Releases section) -> View Library for B14099-11 and finally E-business Integration tab contains BPEL guides.
Regards,
Ivan

Best portlet development (IDE & portal)?

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