3.2.3  Developing and Running an Example Application 


The example application will consist of the Servlet shown in Section 3.1.3, and an HTML form 


that is used to provide the Servlet with the necessary parameters to generate some dynamic 


output. 


3.2.3.1  Creating the HTML Page and Registering It with the Repository 


The source code for the HTML page is shown below. Store the code under the name 


draw_rectangle.html in the web/ directory of the source tree. The form draw_rectangle.html is a 


plain HTML page; it does not contain any dynamically generated data. It serves only to provide 


the servlet with the necessary parameters to run. 






 Draw a Rectangle 






Servlet Demonstration   Draw a Rectangle




when the "Submit" button is pressed. The URL is mapped to the


correct Java class by the Servlet Engine   >






Please enter the desired width and height:


Width: 


Height: 













Schedule the draw_rectangle.html file for addition to the repository with the following command: 


$ cvs add draw_rectangle.html


Please note that the cvs add command does not yet store the file in the repository. This gives 


you the opportunity to test the file before committing it to the repository. Committing the file will 


be handled later on in Section 3.2.3.7. 


38 






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