The rendering of the entire chart is finally provided via a servlet.
franta-hg@1: This has to be installed in your web application. Cewolf provides a
franta-hg@1: servlet class de.laures.cewolf.CewolfRenderer which does the
franta-hg@1: job.
franta-hg@1: To configure your web application you have to edit the /WEB-INF/web.xml
franta-hg@1: file. Add the following lines to it:
franta-hg@1:
<servlet>franta-hg@1: Additionally you should provide a servlet-mapping to tell the container franta-hg@1: which URL maps to your Cewolf rendering servlet.
<servlet-name>CewolfServlet</servlet-name>
<servlet-class>de.laures.cewolf.CewolfRenderer</servlet-class>
</servlet>
<servlet-mapping>franta-hg@1: franta-hg@1: You also need to tell CeWolf to load on startup: franta-hg@1:
<servlet-name>CewolfServlet</servlet-name>
franta-hg@1: <url-pattern>/cewolf/*</url-pattern>
</servlet-mapping>
<load-on-startup>1</load-on-startup>franta-hg@1: To test the correct installation you should start your web app and try franta-hg@1: to call the rendering servlet with a browser (e.g. franta-hg@1: http://localhost:8080/myapp/cewolf?state). Cewolf should answer: "Cewolf franta-hg@1: servlet up and running." franta-hg@1: franta-hg@1: Here is a copy of the example web.xml: franta-hg@1:
<web-app> franta-hg@1: <servlet> franta-hg@1: <servlet-name>CewolfServlet</servlet-name> franta-hg@1: <servlet-class>de.laures.cewolf.CewolfRenderer</servlet-class> franta-hg@1: <!-- sets storage implementation --> franta-hg@1: <init-param> franta-hg@1: <param-name>storage</param-name> franta-hg@1: <param-value>de.laures.cewolf.storage.TransientSessionStorage</param-value> franta-hg@1: </init-param> franta-hg@1: <!-- sets overlib.js location relative to webapp --> franta-hg@1: <init-param> franta-hg@1: <param-name>overliburl</param-name> franta-hg@1: <param-value>etc/overlib.js</param-value> franta-hg@1: </init-param> franta-hg@1: <!-- turn on or off debugging logging --> franta-hg@1: <init-param> franta-hg@1: <param-name>debug</param-name> franta-hg@1: <param-value>true</param-value> franta-hg@1: </init-param> franta-hg@1: <load-on-startup>1</load-on-startup> franta-hg@1: </servlet> franta-hg@1: franta-hg@1: <servlet-mapping> franta-hg@1: <servlet-name>CewolfServlet</servlet-name> franta-hg@1: <url-pattern>/cewolf/*</url-pattern> franta-hg@1: </servlet-mapping> franta-hg@1: franta-hg@1: <session-config> franta-hg@1: <session-timeout>1</session-timeout> franta-hg@1: </session-config> franta-hg@1: franta-hg@1: <mime-mapping> franta-hg@1: <extension>css</extension> franta-hg@1: <mime-type>text/css</mime-type> franta-hg@1: </mime-mapping> franta-hg@1: franta-hg@1: <welcome-file-list> franta-hg@1: <welcome-file> franta-hg@1: index.html franta-hg@1: </welcome-file> franta-hg@1: <welcome-file> franta-hg@1: index.htm franta-hg@1: </welcome-file> franta-hg@1: </welcome-file-list> franta-hg@1: franta-hg@1: <!-- resource-ref> franta-hg@1: <description> franta-hg@1: Resource reference to a factory for java.sql.Connection franta-hg@1: instances that may be used for talking to a particular franta-hg@1: database that is configured in the server.xml file. franta-hg@1: </description> franta-hg@1: <resource-ref-name> franta-hg@1: jdbc/testdb franta-hg@1: </resource-ref-name> franta-hg@1: <res-type> franta-hg@1: javax.sql.DataSource franta-hg@1: </res-type> franta-hg@1: <res-auth> franta-hg@1: Container franta-hg@1: </res-auth> franta-hg@1: </resource-ref --> franta-hg@1: franta-hg@1: </web-app> franta-hg@1:franta-hg@1: franta-hg@1:
Step 4: Define the Chart in your JSP>>
franta-hg@1: