Book Chapter

Chapter 2: 'SAP NetWeaver Enterprise Portal Building Blocks'


Download chapter 2: 'SAP NetWeaver Enterprise Portal Building Blocks'


This chapter is excerpted from the book titled, 'SAP NetWeaver Portal Technology: The Complete Reference', authored by Rabi Jay, McGraw-Hill, ISBN 007154853X, Copyright 2008 McGraw-Hill.







Chapter Excerpt:


Portal Platform The portal platform consists of the following components (as shown in Figure 2-1):
  • Portal runtime
  • Portal applications
    • Portal components
    • Portal services

A portal platform is basically a portal runtime that is composed of Java libraries. The two primary functions of the portal platform framework are to provide the necessary runtime environment so as to run iViews and to administer iViews.

Portal Runtime

The portal runtime is a virtual environment that provides the runtime and development environment in which the portal applications run. We can compare it with the Java runtime, which provides the runtime environment for Java applications. The portal runtime is made

up of a Java API known as the portal runtime API, which is a collection of portal components and services. The portal components and services provide the basic core functionality to help the portal run efficiently. Portal components and services can be either provided by SAP or custom-built.

Portal Components

Portal components are Java Server Pages (JSPs) or Java classes that produce HTML output, which is displayed on the client browser when a page is rendered. These core portal components include the page builder and administration tools. The portal components are responsible for creating the necessary content for display in the iViews.

A portal component can do the following:

  • Call other portal components, if needed
  • Respond to other events
  • Detect another component's profile and properties

A good example of a portal component is a portal builder component, which is responsible for the following:

  • Receives HTTP requests from the client
  • Forwards the incoming HTTP request to the relevant portal components and services
  • Receives the response back from the portal server
  • Builds the portal page
  • Sends the page response back to the client

Figure 2-2 displays the list of portal applications, components, and services deployed on the portal. This iView is available only if you have the Java Developer role.

Chapter 2: 'SAP NetWeaver Enterprise Portal Building Blocks'

Visit the McGraw Hill website for a detailed description and to learn how to purchase this title.

This was first published in July 2008

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