This JSR development tutorial shows how to master request-response programming using the PortletRequest and PortletResponse objects of the Portlet JSR (Portlet ) defines a lifecycle for events, so that eventing is name as defined in the previous code example in the portlet section of the file. Portlet Tutorial, Java Portlet, Portlet Example, Java Portlet Tutorial, What is Portlet , JSR has introduced the using of annotations for controlling things were.

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Portlets – Liferay – Liferay Developer Network

Execute mvn package in this directory. This software allows developers to write a portlet application as if it was a JSF application. Maximized A portlet may be the only portlet displayed on this page. This class is part jssr the JBoss Portlet Bridge. This will enable the corresponding buttons on the portlet’s window.

Define the portlet name. WebSphere Portal Express includes an administrative portlet for installing, uninstalling, and updating portlets.

Application class loaders AC1application class loaders AC2and application class loaders AC3 are portlet applications that branch from application extensions. Override the doView method as in the first tutorial. In fact, GateIn 3. One was full of himself, tutodial always wanted to show everyone users and SEO services alike just how smart he was, by openly displaying Most porltet applications use View Mode only. It is split in different pieces.

You can set up the run time environment for debugging portlets on the local development machine or on a remote server. We will tell you, however, how portlets differ from other types of servlet-based web apps. If the compile is successfully packaged the result will be available in: Refer to the documentation for Rational Application Developer for complete setup instructions.


This sample is used in the following examples. This tutorial explains 826 tags that developers can use to create layouts. An action phase is a tuhorial where some state changes. The GenericPortlet render implementation calls our implementation when the view mode is requested.

Creating a simple portlet

Even so, the advantages of modularity are so great that we still recommend you develop your portlets as OSGi modules. The filter alternates actual monitoring mechanism in WebUI Framework. Portlets also have a portlet filter available for each phase in the portlet lifecycle. As in any JSF application, the file faces-config. We recommend the latter, so you can take advantage of the modularity features inherent in OSGi.

For example, a portlet application might use a portlet descriptor as follows: It uses the portlet response object to write simple output directly to the portal page.

This section shows you how to develop portlets using the following frameworks and techniques:. Use this mode to configure a custom view or behavior. In the following graphic runtime classpath patches RCP is located at the top of tutorlal hierarchy. Portlet render also provides a default implementation for the processActioninit and destroy methods. In this method the var attribute is used.

Use this file if you use services from the Public API javadoc package. With that said, you can use a variety of technologies to develop portlets that run on Liferay Portal. We use a form: Use this file if you use services from the Hutorial SPI javadoc package. Maven This example is using Maven to compile and build the web archive. To facilitate deployment of portlet applications and complex portlets, you can provide a portlet configuration file that can be invoked by the XML configuration interface XMLAccess.


The portlet takes up an entire page. This is a mandatory parameter to define what’s the default page to display. A particular class loader can reference other classes as long as the other classes can be loaded by the same class loader or any of its ancestors, but not its children. It is perfectly valid to bring the tools Start JBoss Application Server if it is not already running. The render phase will have access to render parameters that will be passed each time tutoiral portlet is refreshed with the exception of caching capabilities.

JavaServer Pages Portlet Example. The last thing you want is for someone to grow frustrated with your site because of constant page Portlets are responsible for generating markup fragments, as they are included on a page and are surrounded by other portlets.

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