The java standardization request 168 jsr 168 defines a portlet specification, including a contract between the portlet container and the portlet. In addition, this article introduces the enterpriseclass portal open source project along with its subprojects that deliver key portalrelated. This is the main entry point for the portlet and is the only class that the portal framework is really aware of for this project. Now that you have successfully created your first portlet, lets create another one. This article will focus on the portlet side of things, by showing how to create a simple portlet and deploying that into a portal. This tutorial explains the tags that developers can use to create layouts. Adaptive portlets work dynamically to react to user actions and refresh content within the page. This is the first in a twopart series on developing jsr 168 struts portlets. The focus of this tutorial is largely the concept of encoding namespaces using various components from the jsr286. Jsp and portlet api taglib the apache software foundation. The release of the jsr000168 portlet api specification 1.
Jsp and portlet api taglib the apache portals site. In the presented introduction about apache pluto, weve mainly discussed the most simple portlet application that you may have. Requirements for developing jsr168compliant portlets for sas. Portlets are pluggable user interface software components that are managed and displayed in a web portal, for example an enterprise portal. Portlet interface in many regards, a portlet behaves very much like a servlet from the servlet and jsp api. A portlet container receives requests from the portal to execute requests on the portlets hosted by it. This tutorial is intended to provide you a full detailed explanation for getting liferay portal up and running and deploy the same employee registration sample that we had developed in earlier tutorial. Imagine a portlet development book that dealt with just that. In jsr 286 was added another feature called serving resources with help of this we can serve the images, pdf and other content types to client. This was possible between portlets that are in the same web application.
Like a servlet, a portlet is a shy and reserved little creature that lives peacefully in a war file web application archive. This tutorial intended to help you getting these information in an organised manner as its also will make you use all of them willingly. Jan 21, 2017 jsr 286 portlet life cycle also have all above jsr 168 4 methods, there are 2 new method introduce in jsr 286. Portals are a hot growth area, but prior to jsr168, we lacked a. In mvcportlet, if you want to call a jsp page directly from another jsp page, you have to name the the portlet. Developing portlets using eclipse and websphere portlet factory.
Allows to even enable jsr 168 portlets to use public render params by just giving. How can i proceed to deploy a jsr168 portlet to work has an intrinsic portlet in alui. Difference between jsr 168 and jsr 286 portlet life cycle. The jsr 168 was coled by ibm and sun and had a large expert group that helped to create the final version which is now available. Communication between jsr 168 portlets anders3 aug 12, 2007 4. In comparison to java servlet api, there are very few matured and successful portal project that the portal developer can follow. Portlet specification was constructed to enable interoperability between portlets and portals. Building portals with the java portlet api jeff linwood, dave minter. Jsr 168 interportlet communications using ibm rational. You could deploy and run this portlet to websphere portal v5.
Jsr 168 is a specification from the java community process for portlet development. Dave landers portlets jsr168 page 22 portlet preferences configuration for a portlet instance persistent customization of a portlets view or behavior declared in deployment descriptor portlet. Updates to the original jsr java community process. Introducing the portlet specification, part 1 javaworld.
It walks through creating a simple struts portlet using rational application developer v6. Currently, there is no book on both jsr1168 portlet development and jsf. Jul 11, 2008 java project tutorial make login and register form step by step using netbeans and mysql database duration. Java specification request jsr 168 enables interoperability among portlets and portals. The adaptive portlet toolkit provides tools for building cohesive applications within a portal page. There are different types of portlet containers such as apache pluto, oracle web center and liferay. Good portal tutorials from the scratch portals and. Contentwellcode to provide us some facilities as a dependency. Edit present a screen for editing user preferences. What is jsr 168 portlet specification and its advantages. A portlet container runs portlets and provides them with the poetlet runtime environment. Checking if a certain context portlet is active on a page. Portlets can exploit websphere web service functions. You saw how portlet factory automates the creation of portlet artifacts such as jsp pages, xml schema, java code, and so on.
Support for portletsportals jsr 168 myeclipse ide feature requests. A spring mvc jsr 168 portlet for use with uportal, cas, and exchange jasigexchange portlet. I have a portlet with jsr 168 specification which used to run inside uportal some old portal based framework for java. How to create a jsf primefaces portlet for liferay 7 with. This section describes how to create a simple jsr 168 portlet in eclipse and register it with the aqualogic interaction portal. Liferay services and api have been split into osgi modules. Reusing liferay services when developing a web application as a portlet has changed. This tutorial, which comes with both a video and the accompanying java source example code, shows you how to develop a jsr168 compliant portlet that uses a java server page jsp to display an image.
Create a viewlet which will handle portlet rendering in a normal page mode. Imagine a great book that made understanding the jsr168 api easy, and taught you exactly what you needed to know to start developing effective portlet solutions. The goal is to allow portlets to be packaged into war files and deployed in a standard way on any server implementing the specification. Good portal tutorials from the scratch portals and portlets. Every portlet has to implement this interface, either by directly implementing it, or by using an existing class implementing the portlet interface.
Liferay tutorial liferay portal portlet tutorial journaldev. I have already done that with liferay but the portlet generated. Learn all about the second version of the java portlet specification jsr 286. We had set out to reimplement many of our webcenter interaction portlets in the jsr168 standard using the jsr168 container for webcenter interaction.
The expert group will consider functionality such as support for, parallel execution of portlets. This updated version of a july 2003 article highlights java portlet specification 1. This topic contains 29 replies, has 25 voices, and was last updated by riyad kalla 12 years, 8 months ago. For example, a proxy portlet could be used to invoke a remote portlet. Request jsr 168 portlet reference implementation as well as the jetspeed por. Developing jsr168compliant portlets for the sas information. The portlet specification is required to achieve interoperability between portlets and javabased portal servers or other web applications that implement the specification. The next step, after servlets in web application programming, portlets enable modular.
What we have found is that the stardard is pretty simplistic, and we dont find a way to access things like the portlets id or the image server url, which we are used to using. Currently, there is no book on both jsr1 168 portlet development and jsf. Jul 27, 20 the following tutorial, written by sal pece, is the fourth in a series of portlet development tutorials, focussing on the portlet apis need for the portleturl, and how this jsr286 portleturl component can be used to link back to the portal, portal page, or portlet instance running on a page. Requirements for developing jsr 168 compliant portlets for sas. Generally in servlet web application each servlet will be referred by url to invoke or access and each web page content will be served by one servlet but in portlets each page will be served by different portlet and each portlet will have its own lifecycle and own url pattern to execute. Enter the name of the portlet and other valid data required and click finish.
Introduction to portlet programming with jsr168 colorado. This behaviour allows you to rearrange your web page elements the way you want. Note that you can mix jsp and a java class for the implementation of your java class. Portlet window states control the amount of space a portlet takes up on a page. Mar 08, 2010 hi, im new at portlet jsr286, i have to write a portlet and consume it by a portal, that on loading phase it shows some kind of content take it from a web service, using a particular web method. Public render parameters allowing portlets to share parameters with other portlets. Jsr 168 is defined by the java community process jcp. The java portlet specification defines a contract between the portlet container and portlets and provides a convenient programming model for java portlet developers portlets are pluggable user interface software components that are managed and displayed in a web portal, for example an enterprise portal or a web cms.
Observations and guidelines portal and portlet development based on jsr 168 is pretty new in the market. I mean, there are books like my book on jsr 168 portlet programming, but there is only one chapter that touches on the topic, and it only scratches the surface. Hi cameron, read your book portlet book and it was very useful. Basically, you can think of the different portlet modes as different subapplications, so it can be useful to set up the struts. The jsr 168, however, stopped at defining the overall ui component. The portlet you create will implement the view mode and display the message hello, world.
These tutorials and tips are designed to help any software developer who is looking to develop jsr286 programming skills to become quickly adept at both basic and advanced portlet programming topics, empowering the developer to quickly create portlet based software that can be effectively deployed to any of the standardsbased portal servers on the market today. The portlet interface is used by the portlet container to invoke the portlets. However, i need to take this portlet off the portal and make it as an standalone app. In this lesson, you will learn how to build two types of portlets. A portlet can aggregate integrate and personalize content from different. Imagine a great book that made understanding the jsr 168 api easy, and taught you exactly what you needed to know to start developing effective portlet solutions. The following tutorial, written by sal pece, is the fifth in a series of portlet 2. Noel bergman introduction to portlet programming with jsr 168 page 17 portlet modes portlets have modes, which are a viewrelated convenience. Beside that, providing portlet title isnt so complex mission, as you can provide the default value using the portlet info xml tag, you can also change the title programmatically change the portlet title. I have a gwt app that i want to build as a portlet.
Jsr 168 vs jsr 286 the major improvements from jsr 168, as noted in the jsr 286 document events enabling a portlet to send and receive events and perform state changes or send further events as a result of processing an event. Mar 09, 2007 imagine a portlet development book that dealt with just that. Doing all this in other types of web apps would require manual recoding. Developing portlets using eclipse and websphere portlet. Jsr 286 portlet life cycle also have all above jsr 168 4 methods, there are 2 new method introduce in jsr 286. The portlet class loads the java server page jsp file that is, in turn, responsible for calling the content classes and displaying the folder contents. Developing jsr168compliant portlets for the sas information delivery portal 4. Here is the portlet definition for our jsp portlet.
Updates to the original java specification request jsr. Initialize, using the init class to initialize the portlet and put it into service handle requests, processing different kinds of actions and rendering content complete, using the destroy class to take the portlet out of service the portlet receives requests based on the user interaction with the portlet or portal. The java portlet specification defines a contract between the portlet container and portlets and provides a convenient programming model for java portlet developers. The correct bibliographic citation for this manual is as follows. The java portlet specification pdf, which describes the benefits of jsr 168. The portlet container is the runtime environment for portlets using the jsr 286. In this tutorial, you learned how to create a portlet, using websphere portlet factory, that runs on websphere portal and accesses a database. Portlets are pluggable user interface software components that are managed and displayed in a web portal, for example an enterprise portal or a web cms. For details on adaptive portlets, including adaptive tags and the ali scripting framework, see adaptive pagelets the programmable remote client prc allows you to embed components and functions. I mean, there are books like my book on jsr168 portlet programming, but there is only one chapter that touches on the topic, and it only scratches the surface. From the standpoint of an application developer, a portlet is any java class that implements the javax. Liferay, as portlet container, uses a modular approach to building web functionalities through the implementation of jsr 168 286. Now my question is if there is any way to that with existing code or do it need to create a new webapp. It is based on the genericservletportlet, provided by portals bridges in a jar file dependency.
A portlet can process requests from the user and generate. The portlet application is created with all the files required by the jsr168 specification for portlet. Jsr168 portlets in webcenter interaction oracle community. Portlet tutorial, apache pluto portlet portal example tutorial, portlet request, portlet response, portlet example code, action request, action response. Jsr 168 specifies standard modes, which are typically used as. Many vendors have implemented the portlet technology specification namely liferay, uportal, web logic portals, webspear portals and apache jetspeed. Generally, portlet specification has introduced the portlet info xml tag to allow developers specifying these information related to the portlet s title, shorttitle and keywords that. Create a jsp page for the view mode of the portlet. Usually, users interact with content produced by portlets by, for example. Jul 14, 2008 action processing in a jsr 168 portlet strictly speaking, the various do methods of a portlet should only be responsible for generating the markup that needs to be sent back to the client. Hi, im new at portlet jsr286, i have to write a portlet and consume it by a portal, that on loading phase it shows some kind of content take it from a web service, using a particular web method. This specification defines a set of apis for portlets and addresses standardization for preferences, user information, portlet requests and responses, deployment packaging, and security.
View application interaction, but not as the name might imply read only. Websphere portal, portlets and web services portal. The best bet is to buy a good book on jsf, and make the portalization of the jsf app part of your unit testing. When both configuration annotations and a portlet deployment descriptor are present, values from the deployment descriptor override. Like many web apps, portlets process requests and generate responses. Unlike, for example, modes within the ibm portlet api, modes in jsr168. Jsr168 portlet development simplified, second edition. The business scenarios are more complicated then normal and they require a full knowledge about the portlet, portlet life cycle and how could provide a compliant enhanced portlet that complying with the latest standards presented at the portlet field. In jsr 168 portlet specification will render only html content in render phase it cant render some resources like pdf, images and other content type. All portal pages have the following characteristics. This section describes how to create a simple jsr168 portlet in eclipse and register it with the aqualogic interaction portal. This param defines which webapprelative jsp to use for view mode. Note that the deployment descriptor can still be used. Basically, a jsf or struts portlet simply leverages the struts or jsf framework, allowing a developer to create a struts or jsf application, with all of the benefits of jsf or struts, but fundamentally, delpoy that application as a portlet.
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