Benefits of web application!! Useful learn it!!!

Web applications use a diverse collection of technologies stitched together with various kinds of linkages and relationships, often in a large number of files. Conventional Web application development usually involves using a variety of command-line tools in various packages and developing batch files to try to add a degree of consistency to the process. webAF offers a refreshing alternative. It helps you manage this complexity with a single consistent, integrated tool, thus reducing or eliminating much of the drudgery of development, testing and deployment. Best of all, webAF provides tight integration with other SAS technologies, bringing all the power of SAS to life in your Web applications. FEATURES 1. Integrated Development Environment (IDE) webAF presents you with a familiar and intuitive GUI development center, with the features of program development extended to include web development. 2. Project wizard with content templates The project wizard jump-starts your Web development by letting you choose the features that you want to include and initial content of your project. Starter files are then generated for you, including a web.xml file. An initial JSP file includes declarations of tag libraries supporting the features you selected. Servlets have boilerplate code for the standard methods. You can also "adopt" an existing Web application in the new project wizard. 3. Systematic locating of projects and directories When you start a new Web application project, webAF automatically supplies the necessary directory structure, and populates the WEB-INF\Lib directory with the JAR files needed. You can specify the base directory for your Web application to be external to the project directory, too. 4. Automatic updating of build file and web.xml As you add or remove servlets and/or Java source files from your project, webAF automatically updates the build.xml file to include the file and classpath information and updates the deployment descriptor (web.xml) to include the necessary servlet declaration and mapping. 5. SAS Java Component Library A robust library containing JSP/servlet-based visual components (TransformationBeans), Swing-based visual components, models for accessing relational data via JDBC, and various utility classes. 6. SAS Custom Tag Library Custom tags that enable a page author to take advantage of TransformationBean without knowing all of the required Java APIs.

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