To enable interoperability between Portlets and Portals, this specification will define a set of APIs for Portal computing addressing the areas of aggregation. The Java platform provides an standard referred to as JSR that standarizes how portlets interact with portlet containers and ensures compatibility across. In , Java Portlet Specification (JSR) first defined portal and portlet behavior. In , Java Portlet Specification (JSR) refined and built on.

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However, it does not address aggregation, security and personalization. For example, a message boards or wiki portlet is best suited on its own page.

Views Read Edit View history. Portlets can be placed on pages by users or portal administrators, who can place several different portlets on a single page. Processes events triggered in the Action phase. Portlet window states control the amount of space a portlet takes up on a page.

Typically, following the desktop metaphora portal page potrlet displayed as a collection of non-overlapping portlet windows, where each portlet window displays a portlet.

Portlets also differ from servlets by having distinct modes and window states. The Java Portlet Specification V1.


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How to build useful, real-world applications in the Python programming language. Use this mode to configure a custom view or behavior. In many ways, writing portpet application as a portlet is easier than writing a standalone application. Not using Hotjar yet? The recently released Java Portlet Specification 3.

The portlet takes up an entire page. An example is the Java Portlet Specification. Also, it will define the specififation set of possible window states for a Portlet such as normal, minimized, maximized, etc. Miller, Rui Miguel Forte Portleet the craft of predictive modeling in R by developing strategy, intuition, and a solid….

For example, the Edit mode of a weather portlet could let you choose a location to retrieve weather data from. In the response, the portlet returns content e.

Portlets instead access a javax. Events are used for IPC.

McDaniel Get fluent in a variety of features for your secure, scalable, and fault-tolerant cloud…. For example, you can develop your portlet with strictly standards-compliant frameworks and APIs, package it in a WAR file, and then deploy it on any standards-compliant portal container.

InJava Portlet Specification 2. Most modern applications use View Mode only. For a detailed description of these features, see the tutorial OSGi and Modularity. In short, portlets alleviate many of the traditional pain points associated with developing web apps.


For a description of specificatipn Portlet technology, refer to section 2. Enhance your understanding of Computer Vision and image processing by developing real-world…. It also provides persistent storage mechanisms for the portlet preferences. The API will provide a URL-rewriting mechanism for creating links to trigger actions within a Portlet without requiring knowledge on how URLs are structured in the particular web application.

Portlets specificqtion web components -like Servlets- specifically designed to be aggregated in the context of a composite page.

Java Portlet Specification – Wikipedia

The Expert group will consider functionality such as support for, parallel execution of Portlets within a single user request, logging, security poortlet personalization. Web apps in Liferay Portal are called portlets. The Portlet specification will define a Portlet API that provides means for aggregating several content sources and applications front ends.