Integration of Struts-jfreechart

1: Import Rack Package Jfreechart-1.0.9.jar

2: Write action

 Packageactions;Importjava.util.List;Importorg.jfree.chart.ChartFactory;ImportOrg.jfree.chart.JFreeChart;Importorg.jfree.chart.plot.PlotOrientation;ImportOrg.jfree.data.category.DefaultCategoryDataset;ImportBean. Vote;ImportBean. voteoption;ImportCom.opensymphony.xwork2.ActionSupport;ImportDAO. Votedao;ImportDAO. Voteoptiondao;Importdaofactory.votedaofactory;Importdaofactory.voteoptiondaofactory; Public classVoteresultactionextendsActionsupport {PrivateJfreechart Chart; Private intVoteid;//Poll ID         Public intGetvoteid () {returnVoteid; }     Public voidSetvoteid (intVoteid) {         This. Voteid =Voteid; }     PublicJfreechart Getchart () {Votedao Votedao= Votedaofactory.getvotedaoinstance ();//Get Votedao InstancesVoteoptiondao Voteoptiondao =voteoptiondaofactory.getvoteoptiondaoinstance ();//Get Voteoption Instances//voting by vote IDVote Vote =Votedao.findvotebyid (Voteid); String Votename= Vote.getvotename ();//get the voting name//get all voting options based on the voting IDList<voteoption> voteoptions =Voteoptiondao.findvoteoptionbyvoteid (Voteid); Defaultcategorydataset DCD=NewDefaultcategorydataset ();//Data Source//Setting up data         for(voteoption voteoption:voteoptions) {Dcd.setvalue (Voteoption.getticketnum (),"", Voteoption.getvoteoptionname ()); }        //using the factory class to create a bar chartJfreechart chart =Chartfactory.createbarchart3d (Votename,"Voting Options",                "Number of votes", DCD, plotorientation.vertical,false,                 true,                false); returnChart; }     Public voidSetchart (Jfreechart chart) { This. Chart =Chart; }         PublicString Execute ()throwsException {returnSUCCESS; }}

Configuration information:

<Actionname= "Voteresult"class= "actions. Voteresultaction ">             <resultname= "Success"type= "Chart">                 <paramname= "width">400</param>                 <paramname= "height">300</param>             </result>         </Action>

Integration of Struts-jfreechart