Java Doc for CewolfRenderer.java in  » Chart » cewolf-1.0 » de » laures » cewolf » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Chart » cewolf 1.0 » de.laures.cewolf   Source Cross Reference   Class Diagram   Java Document (Java Doc)   javax.servlet.http.HttpServlet    de.laures.cewolf.CewolfRenderer CewolfRenderer public class CewolfRenderer extends HttpServlet implements WebConstants(Code) The rendering servlet of Cewolf. It is resposible for writing an entire chart img into the response stream of the client. Everything needed for this is prepared already by the ChartImgTag resp. LegendTag. The ID of a chart image is passed to this servlet as a request parameter. After that the image object is retrieved from the server side session based image cache. This servlet must be configured in web.xml of the web application in order to use Cewolf services. The servlet's URL relative to the web apps root is used as the renderer attribute of the ChartImgTag resp. LegendTag in the JSP page. See Also:   de.laures.cewolf.taglib.tags.ChartImgTag See Also:   de.laures.cewolf.taglib.tags.LegendTag author:    Guido Laures since:    0.1 Field Summary final public static  String INIT_CONFIG      Method Summary protected  void doGet(HttpServletRequest request, HttpServletResponse response)      public  void init(ServletConfig servletCfg)      public  void printParameters(HttpServletRequest request)      Processes HTTP GET request. Field Detail INIT_CONFIG final public static String INIT_CONFIG(Code) Method Detail doGet protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException(Code) init public void init(ServletConfig servletCfg) throws ServletException(Code) printParameters public void printParameters(HttpServletRequest request)(Code) Processes HTTP GET request. Renders the chart or the lengend into the client's response stream. Parameters:   request - servlet request Parameters:   response - servlet response throws:   ServletException - when the production of data could not be handled by theconfigured DatasetProcuder Methods inherited from javax.servlet.http.HttpServlet protected void doDelete(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException(Code)(Java Doc) protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException(Code)(Java Doc) protected void doHead(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException(Code)(Java Doc) protected void doOptions(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException(Code)(Java Doc) protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException(Code)(Java Doc) protected void doPut(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException(Code)(Java Doc) protected void doTrace(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException(Code)(Java Doc) protected long getLastModified(HttpServletRequest req)(Code)(Java Doc) protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException(Code)(Java Doc) public void service(ServletRequest req, ServletResponse res) throws ServletException, IOException(Code)(Java Doc)