I don't understand this solution, what is "p" parameter, and whait is "RANDOM" ?
-- Regards, Milan dynamicd wrote: > > > got it to work.. could not stop the caching so added a param to the src > > img > src="/Dashboard/DisplayChart.action?p=<%=request.getParameter("RANDOM")%>" > / > > > > dynamicd wrote: >> >> I have tried >> <% >> response.setHeader("Cache-Control", "no-cache"); //HTTP 1.1 >> response.setHeader("Pragma", "no-cache"); //HTTP 1.0 >> response.setDateHeader("Expires", 0); //prevents caching at the proxy >> server >> >> %> >> >> as well.. >> >> >> >> newton.dave wrote: >>> >>> --- On Wed, 8/6/08, dynamicd <[EMAIL PROTECTED]> wrote: >>>> Also tried implementing the SessionAware. However the same thing. >>> >>> Why? >>> >>> Did you try setting the headers for not caching? >>> >>> Dave >>> >>>> dynamicd wrote: >>>> > >>>> > This is cool.. I tried it out. However once the >>>> > chart_display.jsp is called the first time through the >>>> image tag. it does >>>> > not call the DisplayChart.action again to refresh the >>>> image with a new one >>>> > when clicked on the DrawChart.action. (I added the >>>> println statement in >>>> > the display method to find out that the div is not >>>> refreshing) I have to >>>> > log out and log in (invalidate session) to get the new >>>> chart. I am missing >>>> > something >>>> > >>>> > >>>> > >>>> > public String display() throws Exception { >>>> > System.out.println("I AM IN THE DISPLAY >>>> NOW "); >>>> > Map attributes = >>>> ActionContext.getContext().getSession(); >>>> > this.chart = (JFreeChart) >>>> attributes.get("CHART"); >>>> > >>>> > if(chart == null) { >>>> > return Constants.FORWARD_INVALIDACTION; >>>> > } >>>> > return Constants.FORWARD_SUCCESS; >>>> > } >>>> > >>>> > >>>> > private void setChart(JFreeChart chart){ >>>> > Map attributes = >>>> ActionContext.getContext().getSession(); >>>> > attributes.put("CHART", null); >>>> > this.chart = chart; >>>> > attributes.put("CHART", this.chart); >>>> > } >>>> > >>>> > public JFreeChart getChart() { >>>> > return chart; >>>> > } >>>> > >>>> > >>>> > >>>> > Leena Borle wrote: >>>> >> >>>> >> Hello, >>>> >> See if this helps you. >>>> >> I have a form with remote DIV which displays >>>> chart after user clicks on >>>> >> submit. >>>> >> Trick here is to generate chart object, store it >>>> in session and display >>>> >> it >>>> >> in separate JSP. Remove the form part if you >>>> want to display just the >>>> >> dynamic-DIV using Chart image. >>>> >> >>>> >> Form.jsp [ >>>> >> <s:form> >>>> >> <s:url id="display_chart" >>>> value="DrawChart_draw.action" >>>> >> namespace="/user" /> >>>> >> >>>> >> <s:submit value="Draw >>>> chart" href="%{display_chart}" >>>> >> theme="ajax" >>>> targets="*chart_div*" /> >>>> >> <br /> >>>> >> </s:form> >>>> >> >>>> >> <h4>Your Running Chart</h4> >>>> >> <div id="*chart_div*"> >>>> >> </div> <!-- End display chart >>>> --> >>>> >> </div> >>>> >> >>>> >> ] >>>> >> >>>> >> >>>> >> display_chart.jsp [ >>>> >> <body> >>>> >> >>>> >> /MyApp/user/DrawChart_display.action >>>> >> </body> >>>> >> >>>> >> ] >>>> >> >>>> >> >>>> >> struts.xml[ >>>> >> <package name="user" >>>> extends >>>> >> ="struts-default,jfreechart-default"> >>>> >> <!-- Separate method to draw and >>>> display due to Remote >>>> >> DIV/Button tag contsraints. >>>> >> --> >>>> >> <action >>>> name="DrawChart_input" method="input" >>>> >> class=".xxx.DrawChart"> >>>> >> <result >>>> name="input">form.jsp </result> >>>> >> </action> >>>> >> >>>> >> <action >>>> name="DrawChart_draw" method="draw" >>>> >> class="xxx..DrawChart"> >>>> >> <result >>>> name="success">/jsp/display_chart.jsp >>>> >> </result> >>>> >> </action> >>>> >> <action >>>> name="DrawChart_display" >>>> method="display" >>>> >> class="xxx.DrawChart"> >>>> >> <result >>>> name="success" type="chart"> >>>> >> 400 >>>> >> 300 >>>> >> </result> >>>> >> </action> >>>> >> >>>> >> </package> >>>> >> ] >>>> >> >>>> >> >>>> >> DrawChart.java [ >>>> >> JFreeChart chart; >>>> >> public String draw() throws Exception { >>>> >> //chart creation logic. >>>> >> //generate chart object >>>> >> chart = .... >>>> >> session = .... >>>> >> session.put("CHART", >>>> chart); >>>> >> return success; >>>> >> } >>>> >> >>>> >> /** >>>> >> * returns chart obejct from the session. >>>> >> This methos is used by display_chart.jsp >>>> >> */ >>>> >> public String display() throws Exception { >>>> >> session = ...get session ... >>>> >> this.chart = (JFreeChart) >>>> session.get("CHART"); >>>> >> if(chart == null) { >>>> >> >>>> addActionError(getText("error.nochart")); >>>> >> return ERROR; >>>> >> } >>>> >> return SUCCESS; >>>> >> } >>>> >> >>>> >> // this method will get called if we specify >>>> chart >>>> >> public JFreeChart getChart() { >>>> >> return chart; >>>> >> } >>>> >> >>>> >> /** >>>> >> * <p> input action >>>> >> */ >>>> >> public String input() throws Exception { >>>> >> return INPUT; >>>> >> } >>>> >> >>>> >> ] >>> >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: [EMAIL PROTECTED] >>> For additional commands, e-mail: [EMAIL PROTECTED] >>> >>> >>> >> >> > > -- View this message in context: http://www.nabble.com/Struts-2-And-JFreeChart-tp18740589p19090262.html Sent from the Struts - User mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]