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 portlet technology?
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. The JSR 286 API provides backwards compatibility.
What are the two types of rendering portlet?
There are two types of portlet requests—action requests and render requests. These requests are triggered in different sequences by portlet URLs, as described in Portlet URLs. The following sections describe each type of portal request and response.
What is portlet example?
This simplified Hello World portlet example allows a user to set the message that is displayed within a portlet. The portlet code sends a Portlet setting to a Set Preferences page, which stores it in the ALI database and redirects to the portal, refreshing the portlet display.
What is portlet context?
The PortletContext interface defines a portlet view of the portlet container. The PortletContext also makes resources available to the portlet. Using the context, a portlet can access the portlet log, and obtain URL references to resources. There is one context per “portlet application” per Java Virtual Machine.
What is difference between 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 are the different types of portlet urls and their uses?
Portlet Types
- Java Server Page (JSP) and HTML Portlets.
- Java Portlets (JSR 168)
- Java Page Flow Portlets.
- Java Server Faces (JSF) Portlets.
- Browser (URL) Portlets.
- Struts Portlets.
- Remote Portlets.
- Portlet Type Summary Table.
What is portlet URL?
The PortletURL interface represents a URL that reference the portlet itself. A PortletURL is created through the RenderResponse or ResourceResponse . Parameters, a portlet mode, a window state and a security level can be added to PortletURL objects.
What is Spring web portlet?
Spring Portlet is a framework released from Spring community for easier development of Java Portlets. In this article, we will learn about programming Portlets using Spring Portlets framework which is a layer built on top of Java Portlet Specification (JSR 168).