Borland Jbuilder 9 - Web Application Developer S Guide by Borland Technical Publications

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Working with servlets 4-5 The servlet lifecycle Constructing and initializing the servlet When the servlet engine starts or when a servlet needs to respond to a request, the init() method is called by the servlet engine to tell a servlet that it is being placed into service. The servlet engine calls init() only once after instantiating the servlet. The init() method must complete before the servlet can receive requests. The init() method’s ServletConfig parameter is an object that contains the servlet’s configuration and initialization parameters.

You can also make user-defined JSP tag libraries available in this wizard by adding them in the Configure Libraries dialog box. For more information, see “Using the Configure Libraries dialog box to manage user-defined frameworks” on page 6-5. Third parties may provide other frameworks through OpenTools. 7 Specify a default Launch URI, if desired. This field might be filled in for you, if the selected framework supports a default launch URI. xml. If a Launch URI is specified, the Web Run, Web Debug, and Web Optimize commands are available on the context menu for the WebApp node in the project pane.

Creating servlets in JBuilder 5-5 Servlet wizard options Generate HTML File With Form option The HTML File With Form option allows you to directly test the doPost() method on a servlet or test different parameters on a doGet() method. This option adds an HTML file that uses a form tag to the WebApp’s root directory. By default, it is given the same name as your servlet, but has an HTML file extension. You can choose the HTML file’s background color from the Background Color drop-down list. Note You can set testing parameters on the next page of the wizard, the Enter Servlet Request Parameters page.

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