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. Events and public render parameters for interportlet coordination. Liferay faces bridge is a jsr 329 certified portlet bridge which provides the ability to deploy jsf 2. Wsrpweb services for remote portletsspecification builds on current standard technologies, such as wsdl web services definition language, uddi universal. A portlet container contains portlets and manages their lifecycle. The inter portlet communication for jsr 168 in websphere portal can be done using dyna cache or shared library. Jsr 286 is a specification that defines a set of apis to enable interoperability between portlets and portals, addressing the areas of aggregation, personalization, presentation, and security. In version, the specification and the apis more than doubled.
Jsr does not specify how connections for portlet coordination are defined and managed. Before transition from action phase to render phase portlet. At runtime, a filter chain of all the filters is applied to the portlet. 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. Events allow portlets to respond on actions or state changes not directly related to an interaction of the user with the portlet. Difference between jsr 168 and jsr 286 specifications.
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. Annotation support improved web framework integration. The portal portlet container should expect that the portlet may return binary content for a renderresource call. Resource url used for ajax calls and serving documents pdf files. Creating portlets with the oracle jsf portlet bridge. This attribute is set on a request targeted to a portlet, indicating the current portlet lifecycle phase of this request. This interface gives the consumer control over the life cycle methods of the remote portlet. Jsr 168 portlet interview questions and answers jsr 168 is a specification from the java community process for the standardization of portlets. The portal portlet container must not render any output in addition to the content returned by the portlet. Thus, the event broker calls the processevent life cycle specificaton introduced with version 2. The new series jsr 286 portlet are series of examples using jsr 286 portlet api. Note, however, that no lifecycle calls are defined around the portlet window, porglet if you use specificwtion portlet window id for specifying namespace entries in.
This was possible between portlets that are in the same web application. At runtime, a filter chain of all the filters is applied. Some useful question and article for websphere portal. It has also previously been possible to use flex with jsr 168 portlets and alike flexportal, but with the new portlet 2. Current enterprise web applications with struts and other frameworks client. Their are portlets in the left hand side, they act as left navigation for the users. Introduction to portlet phases and lifecycle methods. How is the inter portlet communication carried out in jsr 168 portlet. The following jsr286 tutorial, written by sal pece, explores how to forward to java server pages jspsfrom a portlet, while at the same time leveraging various portlet 2. Inter portlet communication is mechanism to send or receive data between two portlets.
Some confusion exists in the portlet development community, because many vendors tout their compliance with jsr 168 standards and less rarely talk about jsr 286 compatibility. A portlet container receives requests from the portal to execute requests on the portlets. Nitesh kumars technical blog nitesh kumars technical blog is for java,jsr168,jsr286,ibm wmq,spring jms,websphere portal,open source, jsreport, ruby related issues and solutions. In jsr 286 to implement ipc they will add another lifecycle state that is. Dec 16, 2014 jsr 168 has 2 phases while jsr 286 has total 4 phases jsr 286 is super set of jsr 168 portlet phases. It has also previously been possible to use flex with jsr168 portlets and alike flexportal, but with the new portlet 2. This jsr requests the creation of the next version of the portlet specification.
The specification was developed to provide interoperability for running portlets on any vendors implementation of the jsr 168 portlet container. Doesnt support supports allow on the fly transformations of information in both the request to and the response from the portlet. Jsr 168 portlet api pdf the goal of jsr java specification request, the portlet and a set of portlet apis that address personalization, presentation, and. Jsr 286 allows portlets to send and receive events. The major changes in jsr 286 are events, public render parameters, resource serving and portlet filter. Work on jsr 286 started in january 2006, and the final version was submitted in february 2008. Our expert team provides custom, fullcycle solutions training learn from liferay experts with our online, inperson or private training offerings. In websphere portal dont know about liferay, changing out the whole page content without a page reload might the most difficult on your list ill admit though. Liferay have come up with their portlet frame work called liferay mvc. This was possible between portlets that are in the same webapplication.
Only supported within the same portlet application using session attributes. 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. Advanced web systems 4 portlet api specifications jsr. Liferay mvc is portlet framework specially designed for liferay and we can develop. View all of the technical specs, including deployment compatibility, along with all features and functionality details. The facelet component tags are prefixed with the bridge. The portlet programming model also provides events and public render parameters so that you can build larger composite applications out of your portlets and. Java community people was founf some of the limitations in jsr 168 and they are added new specifications to jsr 168 then they released as jsr 286 standards. Jsr 286 is advanced portlet specification and it was added new features to jsr 168. Jsr 286 java specification request a portlet is an application that presents a fragment of a portal page.
When to use jsr 286 vs jsr 168 for portlets perficient. Prior to jsr286 specification, servlet inside portlet was used to server content dynamically. Updates to the original jsr java community process. Jsr286 portlet specification at its core, liferay is a jsr286 compliant portal server. By using portlets as controllers, delegating complex business logic to javabeans or even a restful or soapbased service layer, and using jsps. Access to all these lifecycle listeners gives you many hook points for managing objects related to these lifecycles, which is a great feature for many frameworks. These specification describes life cycle and characteristics of portlets. Jsr 168 has 2 phases while jsr 286 has total 4 phases jsr 286 is super set of jsr 168. Aug 23, 2019 the goal of jsr java specification request, the portlet and a set of portlet apis that address personalization, presentation, and. This attribute is set on a request targeted to a portlet, indicating the current portlet life cycle phase of this request. Portlet life cycle based on jsr 286 below are the life cycle methods of a portlet. Mar 20, 2020 now the user interacts with portlet 1 and triggers an action on portlet 1.
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. Mar 16, 2019 learn all about the second version of the java portlet specification jsr. It was developed to improve on the shortcomings of the version 1. All the portlets are faces portlets and jsf version used is jsf1. You can find a complete list of the members of the expert group here. Current enterprise web applications with struts and other frameworks. New resourceurls that trigger a new lifecycle method. Using adobe flex in jsr 286 portlets this article shall show you how the adobe flex sdk can be used in a portal environment to enhance the user interface for a portlet. We have several module but the structure is almost the same. Initialize, using the init class to initialize the portlet and put it into service. In our project we are changing the jsr version from 168 to 286 of portlet projects.
Aug 25, 2019 jsr does not specify how connections for portlet coordination are defined and managed. Jun 03, 2012 the new series jsr 286 portlet are series of examples using jsr 286 portlet api. A portlet container contains portlets and manages their life cycles. Using adobe flex in jsr286 portlets this article shall show you how the adobe flex sdk can be used in a portal environment to enhance the user interface for a portlet. Render header render markup you can set cookies at the response of each lifecycle method 12. May 30, 20 the following jsr 286 tutorial, written by sal pece, explores how to forward to java server pages jspsfrom a portlet, while at the same time leveraging various portlet 2. Simplifies exposing your jsf application to jsr 286 portlet consumers, such as oracle portal and oracle webcenter spaces. The java portlet specification addresses the requirements of aggregation, was approved by the java community process in march as jsr this tutorial on jsr development provides an introduction to portlet programming as the reader is taken through the.
Technical specifications deployment compatibility operating systems linux centos, rhel, suse, ubuntu, and others. Now the user interacts with portlet 1 and triggers an action on portlet 1. An event is a life cycle operation that occurs before the rendering phase. The following example is developed using rational application developer websphere portal 7. Life cycle portlets cannot update their state during a render request. An update is necessary to address progress in java ee java technology that has taken place since jsr286 portlet specification 2. Difference between jsr 168 and jsr 286 portlet life cycle,jsr 168 portlet life cycle,jsr 286 portlet life cycle. On the other hand, the jsr286 version can interact with other portlets by sendingreceiving events or sharing public render parameters see the java portlet specification version 2. Beginners who just started learning java based portlet development for them its very important to understand whats portlet life cycle. A consumer acquires the ability to customize a portlets behaviour, or destroy an instance of a remote portlet using this interface. Genericportlet also lets you use the following annotations to make dispatching life cycle calls to specific handler code easier in this case. Ibm websphere portal developer interview questions mindmajix. I think this is mostly due to the fact that prior to jsr 168 becoming mainstream, the standards were loose and vendors built to their own specifications. Building standardsbased java portlets using jsr 286.
The java portlet specification defines a contract between the portlet container and portlets and. To enable interoperability between portlets and portals, this specification will define a set of apis for portal computing addressing the areas of aggregation. Events can be described as a loosely coupled, brokered means of communication between portlets. Jsr168 has 2 phases while jsr286 has total 4 phases jsr286 is super set of jsr168. Jsr 286 overview new features in jsr 286 coordination resource serving cookies and headers portlet filter other additions using ajax with portlets compatibility to v 1. Export to jsr168 or jsr286 portlet virtual dataport. Jsr286 introduced serveresource as a way to make ajax easier to implement in portlets. The expert group of jsr 286 consists of all the major commercial and opensource portal developers, portlet bridge developers, and portlet framework developers. Difference between jsr 168 and jsr 286 portlet life cycle. Handle requests, processing different kinds of actions and rendering content. Note, however, that no life cycle calls are defined around the portlet window, porglet if you use specificwtion portlet window id for specifying namespace entries in a persistent data store, you also need to clean up these entries yourself. Without knowing portlet life cycle its almost impossible to develop a portlet. Jsr 168 is starting version of portlet technology and then people was added more specification in jsr 286. Oct 22, 2014 jsr 286 portlet life cycle posted on october 22, 2014 by hamidul islam in liferay.
Complete, using the destroy class to take the portlet out of service. This method allows the portlet to free up resources and update any persistent data that belongs to this portlet. Jsr 286 portlet specification pdf learn all about the second version of the java portlet specification jsr. Aug 12, 2019 learn all about the second version of the java portlet specification jsr. Jsr 286 portlet life cycle also have all above jsr 168 4 methods, there are 2 new method introduce in jsr 286. While liferay does provide developers with the ability to implement their applications with a variety of technologies and frameworks, a liferay developer should be familiar with the.
This article helps you to recognize the new features and put them to their best use. Resource urls trigger the lifecycle method, serveresource, on the. The portlet receives requests based on the user interaction with the portlet. Learn all about the second version of the java portlet specification jsr 286. The other mentioned materials specigication be taken into account to create a version 2. Access to all these life cycle listeners gives you many hook points for managing objects related to these lifecycles, which is a great feature for many frameworks. Webcenter portal supports standardsbased java portlets built using the jsr 286 standard. We show how the concepts of the new standards, particularly interportlet communication, have been integrated with the product and give some guidelines to choose between using portlet. Mar 11, 2009 life cycle portlets cannot update their state during a render request. This portlet life cycle method is added in jsr 286.