What is portlet in spring framework?

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. A Portlet unlike a servlet doesn’t have URL attached to it so it cannot be accessed directly. Access is only through the portal page which holds the portlet.

What is portlet 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.

Does Spring framework use JSP?

Spring MVC, implements the Model View Controller (MVC) application pattern. And JSP, Java Server Pages, is a View technology. In short: Both technologies are used in creating an application, Spring provides the flow, and JSP provides the way we represent our web page.

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 portlet means?

A portlet is a Web-based component that will process requests and generate dynamic content. The end-user would essentially see a portlet as being a specialized content area within a Web page that occupies a small window in the portal page.

What is a Liferay portlet?

Web apps in Liferay DXP are called portlets. Like many web apps, portlets process requests and generate responses. This frees you to focus on developing the portlet’s core functionality. In many ways, writing your application as a portlet is easier than writing a standalone application.

What is the life cycle of a portlet?

This portlet life cycle method has important role in implementing event based inter portlet communication (IPC). As soon as process event method is completed the portlet container invokes render method. Called by the portlet container to allow the portlet to generate the resource content based on its current state.

Can we learn Spring without servlet?

Short answer: no, you don’t need to learn Servlets and JSPs as a pre-requisite for Spring MVC and many other Java web frameworks.

How do I create a Spring MVC portlet in Liferay 7?

Below are the steps to create a Spring MVC portlet.

  1. Create Portlet project skeleton by creating Liferay MVC Portlet.
  2. Define Portlet class for Spring MVC Portlet.
  3. Create Spring application context file.
  4. Put Spring JARs into Classpath.

What is a portlet in SuccessFactors?

A portlet is a configurable object on the SuccessFactors screen. Portlets provide resources, charting, or features for users to assist them with performance processes.

How to create a portlet in Spring 3.0?

It’s part of a three-part series that creates a portlet example using the Spring 3.0 Portlet MVC. For the table of contents, the author forum, and other resources, go to http://manning.com/sarin/. This is the first article in the three-part series, in which we look at developing portlets using the Spring 3.0 Portlet MVC framework.

What does modelandview do in spring portlet?

The ModelAndView object holds the model data (the data to be rendered) and view information (the JSP page) that are used by the Spring Portlet MVC framework to dispatch the render request to the view and pass the model data.

How does a render method work in a portlet?

In portlets, a render method usually creates content by dispatching a render request to a JSP page (or any other view technology), and the data that needs to be rendered by the JSP page is passed as request attributes.

Which is the core of the Spring Framework?

In any Spring framework application, the core of the application is the application context, which defines objects (that form part of the application) and their interdependencies. An application context is represented as an XML file, which defines application objects as beans.

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