JSR 286 PORTLET TUTORIAL PDF

JSR 286 PORTLET TUTORIAL PDF

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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All portlets must implement the javax. In the third method the action phase is triggered first then the render phase is triggered, which outputs some content back to the web browser based on the available porylet parameters. This is the mandatory descriptor files for portlets.

This example is using Maven to compile and build the web archive. Refer to the documentation for Rational Application Developer for complete setup instructions. Portlet interface uses the javax.

To tutirial deployment of portlet applications and complex portlets, you can provide a portlet configuration file that can be invoked by the XML configuration interface XMLAccess.

This is especially useful for portlets that use messaging because these portlets have to be placed on the same page. The declared MIME types must match the capability of the portlet. Tutoial value of yourname is kept to make it available in the rendering phase. I thought Liferay Portal was standards-compliant? Help Provides information to the user as to how to use the portlet.

The portlet is provided along with the source in the IBM Portlet Samples package, which is available from jzr portlet catalog by searching for navcode 1WPZ.

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Each portlet phase executes different operations: Liferay is an open platform in an ecosystem of open platforms. With that said, you can use a variety of technologies tutoriap develop portlets that run on Liferay Portal.

Creating a simple portlet

These descriptors are defined by the Jave EE web. Depending on how you develop and package your portlet, however, it may not be able to run on other portal containers. Liferay Portal also contains tutoril OSGi runtime. Use this file if you use services from the Public API javadoc package. Application class loaders AC1application class loaders AC2and application class loaders AC3 are portlet applications that branch from application extensions.

Portlets – Liferay – Liferay Developer Network

The portal administrator can download a WAR file from the Internet and then use the portal administration interface to install the portlet to WebSphere Portal Express. You can set up the run time environment for debugging portlets on the local development machine or on a remote server. ksr

Like many web apps, portlets process requests and generate responses. Instead of printing the url the portlet: Portlet window states control the amount of space a portlet takes up on a page. Because Windows limits the maximum path length to characters, the name of the WAR file must be less than 25 characters. The previous line simply copies an action parameters to a render parameter for this example.

Override the doView method as in the first tutorial. Portlets can be placed on pages by users or portal administrators, who can place several different portlets on a single page. This lets a portlet serve dynamic content without running portleg Render phase on all portlets on a page.

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For a detailed description of these features, see the tutorial OSGi and Modularity. It is perfectly valid to bring the tools This parameter defines which page to display on the ‘help’ mode. In many ways, writing your application as a portlet is easier than writing a standalone application.

Rational Application Developer provides wizards to help you build, test, and deploy portlets using all of the APIs and related classes and interfaces available in the portlet run time environment. Portlets contained in WAR files have the advantage of being dynamically downloaded and installed. Edit Allows a user to customize the behavior of the portlet.

The recently released Java Pkrtlet Specification 3. Normal Portet portlet shares this page with other portlets. GenericFacesPortlet as portlet class. If defined it should redirect to the hello. Please check the source code to see the difference with Method 1.

You can place multiple portlets on a single page. For example, a filter can transform the content of portlet requests and portlet responses. Doing all this in other types of web apps would require manual re-coding. This section shows you how to develop portlets using the following frameworks and techniques:.

Window states mimic window behavior in a traditional desktop environment: This sample is used in the following examples. To do this, proceed as follows: Navigate to the SimplestHelloWorld directory and execute: