By Marty Hall, Larry Brown, Yaakov Chaikin
Java EE is the expertise of selection for e-commerce purposes, interactive sites, and Web-enabled providers. Servlet and JSP expertise presents the hyperlink among internet consumers and server-side purposes in this platform. center Servlets and JavaServer Pages, quantity 2: complicated applied sciences, moment variation, is the definitive consultant to the complex good points and functions supplied through servlets and JSP.
quantity 2 provides complex functions like customized tag libraries, filters, declarative safety, JSTL, and Struts. just like the first quantity, it teaches cutting-edge suggestions and most sensible practices illustrated with whole, operating, absolutely documented courses.
quantity 2 explains intimately the complex instruments and methods had to construct powerful, enterprise-class purposes. you are going to how to keep an eye on program habit throughout the web.xml deployment descriptor dossier, find out how to improve software defense via either declarative and programmatic equipment, and the way to take advantage of servlet and JSP filters to encapsulate universal habit. you will additionally how one can keep an eye on significant software lifecycle occasions, top practices for utilizing JSTL, and the way to construct customized tag libraries. quantity 2 concludes with an in-depth advent to the Jakarta Struts framework.
Complete resource code for all examples is on the market loose for unrestricted use at www.volume2.coreservlets.com. for info on Java education from Marty corridor, visit courses.coreservlets.com.
quantity 1 offers finished insurance of the servlets and JSP standards, together with HTTP headers, cookies, consultation monitoring, JSP scripting parts, dossier inclusion, the MVC structure, and the JSP expression language. It additionally covers HTML kinds, JDBC, and most sensible practices for layout and implementation.
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Extra info for Core Servlets and Javaserver Pages: Advanced Technologies
By default, the browser sends cookies only to URLs that have the same prefix as the one from which it first received the cookies. jsp and http://host/path1/path2/Anything, but not to http://host/path3/Anything. Because Web applications always have unique URL prefixes, this behavior means that default-style cookies will never be shared between two different Web applications. However, as described in Chapter 8 of Volume 1, you can use the setPath method of the Cookie class to change this behavior.
Html When running this example, make sure you invoke the SetSharedInfo servlet of the shareTest1 application only. After that, invoke the ShowSharedInfo servlet of the shareTest1 and shareTest2 applications. Do not invoke the ShowSharedInfo servlet of shareTest2 as this will not illustrate data sharing between the two applications. Figure 1–9 shows the result after the user visits the SetSharedInfo and ShowSharedInfo servlets from within the Web application that is assigned /shareTest1 as a URL prefix.
Create a Web application directory structure with the top-level directory called myWebApp. Because this is your personal development directory structure, it can be located at any place you find convenient. 2 (Structure of Web Applications). com/. xml deployment descriptor. All you have left to do is rename the top-level directory from app-blank to myWebApp. However, if you decide to create these directories by hand, here is what you will need to do. Create a directory called myWebApp anywhere on your system outside of your server’s installation directory.