What does a portlet mean?
pluggable user interface
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. A portlet can aggregate (integrate) and personalize content from different sources within a web page.
What is the difference between JSR 168 and JSR 286?
Also known as Portlet 2.0, JSR 286 builds upon the first portlet standard, JSR 168, so it has all the features of the first standard plus more: Event handling. Shared parameters.
What is portal and portlet?
A portal is a collection of mini web applications, called portlets. A portal supports features like personalization, content aggregation, authentication, and customization. Portlets act as windowed web applications within the portal, and each window in a portal web page (called a portal page) represents a portlet.
What is portlet in spring?
Spring Portlet is a framework released from Spring community for easier development of Java Portlets. It provides in-depth details about the various components involved in Spring Portlet framework like Controllers, Handler Mappings, View Resolvers etc.
What is the difference between portlet and servlet?
Servlets can render complete web pages, whereas portlets renders html fragments. These fragments are aggregated by the portal into a complete web page.
What is portlet Web application?
Portlets are reusable web modules that provide access to Web-based content, applications, and other resources. From an application development perspective, portlets are pluggable web modules that are designed to run inside a portlet container of any portal framework.
What is portlet container?
The portlet container is the runtime environment for portlets using the JSR 286 Portlet specification, in which portlets are instantiated, used, and finally destroyed. The JSR 286 Portlet application programming interface (API) provides standard interfaces for portlets and backwards compatibility for JSR 168 portlets.
What is a MVC portlet?
Web applications are often developed following the Model View Controller (MVC) pattern. It’s lightweight, as opposed to many other Java MVC frameworks. There are no special configuration files that need to be kept in sync with your code. It’s a simple extension of GenericPortlet .
What is portlet application?
What is portlet context?
The PortletContext interface defines a portlet view of the portlet container. There is one context per “portlet application” per Java Virtual Machine. (A “portlet application” is a collection of portlets, servlets, and content installed under a specific subset of the server URL namespace, such as /catalog .
What are portlet apps?
Portlets are reusable web modules that provide access to Web-based content, applications, and other resources. Portlets can run on the application server because it has an embedded JSR 286 Portlet container.
Are JSR 168 portlets compatible with JSR 286 portlet containers?
When that is finalized, backward compatibility will be in place: JSR 168 portlets will be able to run seamlessly in JSR 286 portlet containers. No recompilation will be necessary. This article spotlights JSR 168 and the associated software, Portlet Container 1.0 and the NetBeans Portlet Plug-in.
What is JSR 168 (portal system server)?
Portal System Server 7.0, the latest portal server release from Sun, is free for download and deployment. JSR 168 was born of the Java Community Process (JCP), an open, international, community-based organization that coordinates the development of Java technology standards, reference implementations, and technology compatibility kits.
What is a portlet in Java?
Portlets are web-based components that enable integration between applications and portals and thus enable delivery of applications on portals. The Java Portlet Specification achieves interoperability among portlets and portals by defining the APIs for portlets.
What’s new in JSR 286?
Part 1 provides an overview of the Java Portlet Specifications and explains in detail one of the main features introduced in JSR 286: coordination between portlets. Part 2 describes the other new features introduced in JSR 286. Part 3 describes the extensions supported by OpenPortal Portlet Container 2.x.