Chapter 7: Web Application Confi guration The root

Chapter 7: Web Application Confi guration The root element of the web.xmlfile is , and all other XML elements reside inside it: This is all that is required for the web.xml file to be complete. However, in many practical cases, there will be more. Let s begin by covering elements that describe the application. A number of elements are provided so that deployment tools can identify Web applications visually and textually. This tag holds the location of the image files within the Web application that may be used by a tool to represent the Web application visually. The tag may contain two child elements ( and ) that carry the location of a 16 16 pixel image file and a 32 32 pixel image file, respectively. /images/icons/exampleapp_small.gif /images/icons/exampleapp_large.gif This tag provides a name that can be used for display in a GUI. The name need not be unique. For example, the following display name is typical: display-name>Example Application This tag contains the description of a Web application, as shown in the following example: /images/icons/exampleapp_small.gif /images/icons/exampleapp_large.gif Wrox Example Application The Wrox example application contains a number of simple resources for illustrating configuration points.

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