That does not seem to work either. The String values are nulls.
Phil
Richard Yee wrote:
>
> You might try changing the attributes and setters to Strings and see if
> that works.
>
> -Richard
>
>
> Phil404 wrote:
>> I would like to draw a Pie Chart using JFreeChart. I call the action
>> from a
>> JSP like so:
>>
>> <s:url id='chartUrl' action='piechart'>
>> <s:param name='visual'>10</s:param>
>> <s:param name='auditory'>15</s:param>
>> <s:param name='kinesthetic'>20</s:param>
>> </s:url>
>> ${chartUrl}
>>
>> The action is very simple:
>>
>> public class PieChartAction extends ActionSupport {
>>
>> private JFreeChart chart;
>> private int visual;
>> private int auditory;
>> private int kinesthetic;
>>
>> public String execute() {
>> System.out.println("Visual: " + getVisual());
>> System.out.println("Auditory: " + getAuditory());
>> System.out.println("Kinesthetic: " + getKinesthetic());
>> DefaultPieDataset pieDataset = new DefaultPieDataset();
>> pieDataset.setValue("Visual", getVisual());
>> pieDataset.setValue("Auditory", getAuditory());
>> pieDataset.setValue("Kinesthetic", getKinesthetic());
>> chart = ChartFactory.createPieChart("Learning Profile",
>> pieDataset,
>> true,
>> true, false);
>> return SUCCESS;
>> }
>>
>> public JFreeChart getChart() {
>> return chart;
>> }
>>
>> public int getVisual() {
>> return visual;
>> }
>>
>> public void setVisual(int visual) {
>> this.visual = visual;
>> }
>>
>> public int getAuditory() {
>> return auditory;
>> }
>>
>> public void setAuditory(int auditory) {
>> this.auditory = auditory;
>> }
>>
>> public int getKinesthetic() {
>> return kinesthetic;
>> }
>>
>> public void setKinesthetic(int kinesthetic) {
>> this.kinesthetic = kinesthetic;
>> }
>>
>> }
>>
>>
>> The action is defined in the struts.xml like so:
>>
>> <package name="charts" extends="jfreechart-default">
>> <action name="piechart" class="pieChartAction">
>> <result name="success" type="chart">
>> 400
>> 300
>> </result>
>> </action>
>> </package>
>>
>> The issue is that the variables visual, auditory and kinesthetic are not
>> being set in the Action. The values are therefore always 0. Can someone
>> please tell me what I'm doing wrong?
>>
>> Phil
>>
>
>
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