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WebXml
web.xml setup
web.xml will be present under mystockapp/WebContent/WEB-INF/web.xml The declaration below indicates that the spring enabled Java classes are in this location. <context-param> <param-name>contextConfigLocation</param-name> <param-value>WEB-INF/classes/spring-beans.xml</param-value> </context-param> The declaration below indicates the loading of spring context when the web application starts. A class can extend the ContextLoaderListener and we can do hibernate initialization, JMS initialization etc. <listener> <listener-class> org.springframework.web.context.ContextLoaderListener </listener-class> </listener> The following servlet and servlet mapping elements indicate which uri calls map to spring calls. <servlet> <servlet-name>springapp</servlet-name> <servlet-class> org.springframework.web.servlet.DispatcherServlet </servlet-class> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>springapp</servlet-name> <url-pattern>*.html</url-pattern> </servlet-mapping> The following loads a servlet when the web application is starting. <servlet> <servlet-name>StartupServlet</servlet-name> <servlet-class> com.stockapp.startup.StartupServlet </servlet-class> <load-on-startup>2</load-on-startup> </servlet> The following declaration declares use of DWR for Ajax requests. <servlet>
<description>Direct Web Remoter Servlet</description>
<display-name>DWR Servlet</display-name>
<servlet-name>dwr-invoker</servlet-name>
<servlet-class>
org.directwebremoting.servlet.DwrServlet
</servlet-class>
<init-param>
<param-name>debug</param-name>
<param-value>true</param-value>
</init-param>
<init-param>
<param-name>activeReverseAjaxEnabled</param-name>
<param-value>true</param-value>
</init-param>
<init-param>
<param-name>
initApplicationScopeCreatorsAtStartup
</param-name>
<param-value>true</param-value>
</init-param>
<init-param>
<param-name>maxWaitAfterWrite</param-name>
<param-value>500</param-value>
</init-param>
<load-on-startup>2</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dwr-invoker</servlet-name>
<url-pattern>/dwr/*</url-pattern>
</servlet-mapping>
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