Thesis full text PDF - Politecnico di Milano

don’t have to wait for an entire new web page to come across the wire, and be rendered by theirbrowsers, before they can view the results. All the requests are collected by Java server pageson the server-side and each of them make the proper AJAX response (5). The editor allow theuser to save its own project data and to load it at the login. At the moment of the saving of thedata the diagram created in the work area is converted in a XML string and saved in a MySQLdatabase on the application server. When the user want to load the project the editor makes aparsing of the XML string and generates all the figure objects and connections of the diagram.For the code generation part the client will invoke a Java Servlet which has the aim of creatingthe needed objects (Server Java classes) to generate all the files of the Web application modelledwith the tool. The server used to contain the application is the Bundled Tomcat 5.5.17 server.The following figure shows the overall architecture of the system.Figure 5.13 – Architecture of the Web editor system58