web application architecture principles protocols and practices ebook download

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... importance and utility of application development frameworks. 2. What Yii is and the characteristics of Yii that make it incredibly powerful and useful. 3. The MVC application architecture and the ... Yii • WebRoot is congured as the document root of your web server • From your command line, change to your WebRoot folder and execute the following: % cd WebRoot % YiiRoot/framework/yiic webapp ... css/form.css generate css/main.css Your application has been created successfully under /Webroot/demo . The webapp command is used to create a brand new Yii web application. It takes just a single...

Ngày tải lên: 03/01/2013, 08:56

... Servlets and JSPs 49 3.6 Adding Your Tomcat Web Application 49 3.7 Java Servlets and JSPs 53 3.8 The ServletConfig and ServletContext Classes 57 3.9 Web Application Scopes 58 4 XML and XSLT: Xerces and ... at http://www.allaire.com/Products/JRun/ . Many Web- application framework products also understand servlets and JSP. Prominent among these are Netscape Application Server and iPlanet, Oracle Application Server, BEA Weblogic, and Resin. 1.6 ... from the Command Line 73 4.9 Zvon XSL Tutorial 73 4.10 Xerces and Xalan versus XT and XP 73 4.11 JSP and XML Synergy 74 5 bonForum Chat Application: Use and Design 77 5.1 Installing and Running bonForum...

Ngày tải lên: 14/12/2013, 22:15

... remove this watermark. 49 3.6 Adding Your Tomcat Web Application 3.4.7 Help for Developing Tomcat Web Applications A guide to developing Web applications for Tomcat is included with the distribution. Be ... way. 3.6.1 Creating a Web Application First, create a new folder, where you can put the files for the new Web application. The name of this folder is TOMCAT_HOME\webapps\MyApp. Next, copy and paste all ... server.xml file. 3.6.3 Editing the Web App Configuration Now edit the Web application deployment descriptor, which is in the XML file TOMCAT_HOME\webapps\MyApp \WEB- INF \web. xml. You need to edit this...

Ngày tải lên: 14/12/2013, 22:15

... can and should—guide the definition and design of the Web application itself. Too often, the architecture and logic of an application determine its input and out- put requirements. However, just ... command host_executes_command (not needed) host_executes_command_controls host_executes_command_controls host_executes_command_frame (not needed) host_executes_command_ready host_executes_command_ready host_executes_command_robot ... guest_executes_command.jsp BonForumRobot guest_executes_command_robot.jsp + guest_executes_command.jsp guest_executes_command_ready.jsp bonCommand guest_executes_command_controls.jsp guest_executes_command_robot.jsp Frame...

Ngày tải lên: 14/12/2013, 22:15

... What Drives the Web Application? In Chapter 8, we will claim that the BonForumEngine servlet is in charge of the Web application after all, it is the communication hub in the Web application. However, viewed ... few examples of host commands and guest commands.This is an obvious place to grow this application in terms of both utility and user interest. Here are just a few of the many possible candidates for addition ... “JSP:Tutorials.” We also have all those Web links and more available for you on the BonForum Project Web site, http://www.bonforum.org . 7.1.1 Getting Input from a Web Application User Of course, we will...

Ngày tải lên: 14/12/2013, 22:15

... other hand, a key purpose of JSP is to create dynamic Web pages that are easily expandable and customizable.We see the design of bonForum as being a lot like one of those new and empty land subdivisions ... ) > -1) { // handle chatModerated // handle chat item else if(bonForumCommand.indexOf( “guest_executes_command” ) > -1) { if(bonForumCommand.equals( “guest_executes_command” )) { // not ... if(bonForumCommand.indexOf( “guest_executes_command_controls” ) > -1) { ➥ // handle chatMessagesPageSize } } else if(bonForumCommand.indexOf( “host_executes_command” ) > -1) { if(bonForumCommand.equals(...

Ngày tải lên: 14/12/2013, 22:15

... pathName // (and equal to chatSubject) nameAndAttributes = “sessionID_”; nameAndAttributes += sessionId; nameAndAttributes += “_”; nameAndAttributes += creationTimeMillis; nameAndAttributes ... for the chat Web application controlled by BonForumEngine , providing access to the data in the context of the application. This includes methods to get data into and out of the XML, and methods ... visitor_joins_chat_controls.jsp. That brought a new (and different) request to the BonForumEngine and to its processRequest() method. Its boncommand and, thus its bonForumCommand —value was visitor_joins_chat_ready ,...

Ngày tải lên: 14/12/2013, 22:15

... see that a deep understanding of tag libraries requires an understanding of the rest of JSP, which requires an understanding of servlets.This is all very interesting, and all way beyond the scope ... the tag-handler classes.The BonLogger class just writes strings out to standard out, error out, and a log file for each class.We certainly do not want a different log file for each session. And there ... is only one out and one err . So, we want one static BonLogger instance per Tag Handler class, and it will be shared. It is thread-safe because PrintWriter , System.out , and System.err are...

Ngày tải lên: 14/12/2013, 22:15

... code into a custom tag handler. Besides helping to simplify the JSP document and further the JSP objective of separat- ing page design from dynamic content production and processing, replacing ... also from the bean side, by reducing to one place (the tag handler class) some common and impor- tant programming requirements, such as handling security or data validation. 10.7 Displaying the ... hoping that all the hype about XSLT and JSP would prove correct.We can expect future bonForum versions to have page content created by Web designers, using the tools and tags that we develop while...

Ngày tải lên: 14/12/2013, 22:15

... actions and reduced bandwidth requirements with remote databases. Although our simple chat application does not take full advantage of this design, an e-commerce application based on the same architecture ... BonNodes in bonForum Web Chat This is easier to see with an example. In the bonForum Web chat application, the global nodes are the one and only root element ( bonForum ) and all three of its ... improvement in the speed and the memory usage of the application. Using strings as we have previously creates many very large temporary strings and buffers, and is thus expensive and inefficient. 11...

Ngày tải lên: 14/12/2013, 22:15

... bonForum Web Application C C.1 Filename: TOMCAT_HOME\webapps\ bonForum \WEB- INF \web. xml <?xml version=”1.0” encoding=”ISO-8859-1”?> <!DOCTYPE web- app PUBLIC “-//Sun Microsystems, Inc.//DTD Web ... sections. \bonForum\installed\webapps\bonForum This contains the bonForum Web application as installed in TOMCAT_HOME\webapps.You should be able to see from these files how the files in the source tree and webapp tree ... bonForum open source Web appli- cation project, which is thoroughly discussed in this book. It is a prototype for a Web chat application that is intended to test design concepts for Web applications...

Ngày tải lên: 24/12/2013, 07:17

... for bonForum Web Application * (See chapter “Java Servlet and Java Bean - BonForumEngine and BonForumStore” * in the book: XML, XSLT, Java and JSP - A Case Study in Developing a Web Application) . * * ... if(bonForumCommand.indexOf(“guest_executes_command”) > -1) { //if(bonForumCommand.equals(“guest_executes_command”)) { // not used yet //} //else if(bonForumCommand.indexOf(“guest_executes_command_controls”) ... if(bonForumCommand.indexOf(“host_executes_command”) > -1) { //if(bonForumCommand.equals(“host_executes_command”)) { // not used yet //} //else if(bonForumCommand.indexOf(“host_executes_command_controls”)...

Ngày tải lên: 24/12/2013, 07:17

... = “”; if(nameAndAttributes == null) { nameAndAttributes = “”; } int inx = nameAndAttributes.trim().indexOf(‘ ‘); if (inx > -1) { // space between name and attributes name = nameAndAttributes.substring(0, ... www.verypdf.com to remove this watermark. 550 Appendix C Source Code for bonForum Web Application // error, handle later log(sessionId, “err”, “outputForumChatMessages(), ERROR! NO timeMillis ... Split-Merge on www.verypdf.com to remove this watermark. 576 Appendix C Source Code for bonForum Web Application str.append(“&gt;”); break; } case ‘&’: { str.append(“&amp;”); break; } case...

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