An action request requires a portlet to update its state, based on a set of input parameters, defined by the developer. For example, the portal page such as welcome contains portlets such as navigation, language, and so on and the portlet language has icons such as look and feel, configuration, minimize, maximize, and remove, title icon and title such as language, and a window which may contain contents such as a set of language icons and. Action method is executed when a form targeting the portlet is submitted. Part 1 provides an overview of the java portlet specifications and explains in detail one of the main features introduced in jsr 286. About the technology portlets are the small java applications that run within a portal. Put some logging info to know if action was invoked. However, you can also add and manage portlets at the folderlevel.
Websphere portlet factory is a powerful and flexible tool for rapidly building portlets on top of a serviceoriented architecture. It is possible to create other types of portlets though i. It shows how you can first create a web application and then convert it into a portlet by making a few changes to it. Portlet component can be dragged over the page and swapped with other portlets. Portlet article about portlet by the free dictionary. Javascript portlet ui widget for web apps developers. I have read many books on portal development, and liferay. Have a web developer or a bea portlet developer create portlets for you, or download portlets from the aqualogic user interaction support center.
Below is the initparam elements that you can set up in portlet. Stepbystep guide for building your own portlets 2008 by david bowley. Portlet technology allows a portal page to be customized more quickly either internally by the development team or by the end user. You can decide which portlets should appear on your dashboards and arrange the layout of the portlets you choose to display. In fact, i test the portlets in jetspeed2 and the pluto portal container just to prove that the portlets are fully jsr168 compliant. Portal application development using websphere portlet factory. Difference between portal and portlets portals and.
Portlets rely on the websphere portal infrastructure to access user profile information, participate in window and action events, communicate with other portlets, access remote content, look up credentials, and store persistent data. Portlets are bundled in portlet applications as web applications using the war file format. Portlets are the small java applications that run within a portal. This can be very helpful in portlets that have many actions. Portlet definition of portlet by the free dictionary. Jdeveloper creates and deploys portlets and can be extended with various techniques like java server pages and capabilities like wizards for describing. This jsr requests the creation of the next version of the portlet specification. Portlet is a standard that defines a set of application programming interfaces apis for portal computing to enable interoperability between portlets and portals. To run the examples, you can download the tomcat bundle for gatein portal or. Multiple instances of a single portlet can be placed onto the same page.
Read this book first, then download the documentation for the portlet container you plan to write on. Portlets in action is a comprehensive guide to building portletdriven applications in java. The enduser would essentially see a portlet as being a specialized content area within a web page that occupies a small window in the portal page. It teaches portlet development handson as you develop a portal that incorporates most key features of the portlet 2. About this book portlets in action livebook manning. A portlet can aggregate integrate and personalize content. Free tutorials on how to develop portlets that are jsr168 compliant theres also tutorials on how to create portlets from scracth, just using notepad and the jkd, but you probably dont need that. The dashboards in workpapers cs can be populated with a variety of portlets, which provide a snapshot of various pertinent information for your firm, staff, and clients. Put another way, just as you put letters together to form words and put words together to create sentences, you put portlets together to create one portal page. Ibm portlet api api defined by ibm for websphere portal.
Portlets are editable boxes in the left and right side bar of plone user interface. Portlets are reusable web modules that provide access to webbased content, applications, and other resources. When you register a new provider on your local portal instance, or when you register remote provider groups and perform a refresh, a page containing all the providers portlets is created for each new provider. Part 1 part 2 part 3 in this threepart series, the articles describe new features available in the java portlet specification 2. Its part of a threepart series that creates a portlet example using the spring 3. This software download agreement agreement is between you either as an individual or company and check point software technologies ltd. Check point, for the software and documentation provided by this. The second one allows portlets to be moved only along the xaxis, thus maintaining column layout. The main goal of this version is to align the java portlet specification with j2ee 1. Vender en amazon vender como amazon accelerator vender en amazon business. Addons allow portlets in other parts in of the user interface too, like above and below the content. Portlets respond to action requests by performing portletspecific logic, such as. Portal application development using websphere portlet.
Portlets may display summaries of data pulled from practice cs, reports, time entry information, client information, your email and calendar, staff availability, filecabinet cs documents, and more. Every portlet has to implement this interface, either by directly implementing it, or by using an existing class implementing the portlet interface. Developers are able to quickly and easily leverage their companys core assets, automatically assembling them into custom, highvalue portlets. Summary portlets in action is a comprehensive, handson guide to building portletdriven applications in java.
You can assemble portlets into a larger portal page, with multiple instances of the same portlet displaying different data. Plone the text and illustrations in this website are licensed by the plone foundation under a creative commons attribution 4. Changing mode see portlet modes changing window state see how portlets are rendered redirecting the user to a new url. By using this site you agree to our use of cookies. Clicking the search button d submits the search html form which consists of the book name and author name fields whose action attribute refers to the action url of the book catalog portlet. Portlets support persistent configuration and customization, profile information. Chapter 14 of portlets in action shows how you can build jsf portlets using portletfaces bridge or wicket portlets using wicketportlet class. Portlets can run on the application server because it has an embedded jsr 286 portlet container. A portal is a web destination that presents information and resources that are diverse in location, technology and derivation through a single point of entry. To understand what portlets are and where they come into play, we must. Portlet synonyms, portlet pronunciation, portlet translation, english dictionary definition of portlet. Portlets can be provided with controls to manipulate its window states or portlet modes. The basics without a portal to plug into, portlets by themselves are quite useless.
Portlets provide your portal users with customized tools and services as well as information. Pdf spring in action, 3rd edition dobre adelin academia. Some of these portlets also serve as links to data, reports, or other information. A portlet is a webbased component that will process requests and generate dynamic content. Provide keywords associated with your portlet portlet api. A portlet container manages the lifecyle of portlets. Good portal tutorials from the scratch portals and. Portal application development using websphere portlet factory 2008 by. This article is taken from the book portlets in action from manning publications. Lps56769 cannot invoke an action in custom portlet. Portlets in action guide books acm digital library. Specify an abbreviated title for the portlet description.
Rapid portlet development with websphere portlet factory. This behaviour allows you to rearrange your web page elements the way you want. Who should read this book spring in action, third edition, is for all java developers. Please visit portlets reference manual for indepth information. This chapter provides an overview of portals and portlets. Creating portlets documentation for the dotcms content management system there are three main types of portlets typically created in dotcms, the velocity, struts or jsp portlet. Portlets register at a central service with their portlet ids and when a portlet wants to link to a portlet it can do a lookup based on a symbolic name.
Headings of portlet contents header, and then stated in the h3 tagimuipghheadinglowsupplementation span. Portlets are small application widgets or boxes which appear in specific locations on your website usually in the left or right sidebars only users with the plandesign site role can manage portlets on their site portlets are typically added at the toplevel of your site and will therefore display on every page. And because portals and portlets are so flexible, the accompanying source code can be easily adapted and reused. The first option implies replacing the target portlet with the moved one.
Administration tasks are broken down into categories portlets, portal settings, etc. Verification and support for these remote portlets may be incomplete because wsrp is a new standard for remote portlets that is still in the process of implementation by many vendors. The portlet hub 7 portlet 1 portlet 3 portal portlet 2 request response standardized by jsr 362 portlet specification 3. Manning publications portlets in action by ashish sarin. The data displayed in portlets may be limited by your. The portal comes with many portlets, but you can also create your own. The portlet interface is used by the portlet container to invoke the portlets. Portlets focus on addressing the areas of aggregation, personalization, presentation and. A portal combines markup fragments generated by different portlets into a portal page. 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. This site uses cookies to provide you with a more responsive and personalised service. This would ease the pain for the admin, because it is possible to auto discover portlets. Each action url in your portlets jsps then calls the appropriate action class when necessary. Portlets in action is a comprehensive, handson guide to building portletdriven applications in java.
With the third mode, you can drag portlets only along the yaxis, thus preserving a row structure. To add portlets to a dashboard, use the select portlets dialog. This document is contains quick howto information only. Portletwork is a framework for building jsr168 portlets using webworkxwork. There are three different modes for moving portlets. The service may also provide a ui to wire portlets based on source and target portlet. Portlet technology can come as an adjunct to a portal server or as optional interfaces to erp applications.
Basically, you can think of the different portlet modes as different subapplications, so it can be useful to set up the struts. Portlets plugin is automatically installed by installing those plugins. Portlets in action is a stepbystep guide to developing portlets using the java. Jd edwards enterpriseone customer self service portlets enables customers access to their information, provides them with timely and accurate information, and allows them to. In fact, theres more than what comes in the spring framework download. The other portlets include noncognos portlets that conform to the web services for remote portlets wsrp standard, such as oracle portlets, or sun portlets.