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#1
August 6th, 2003, 10:53 AM
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accessing applets from servlets
hi
I am trying to access an applet from a servlet .Everytime i run the servlet , it just shows a blank image .The applet contains a pie chart and is compiling well.Can someone tell where i am going wrong .....??? Applet CODE : ------------------------------------------- import java.applet.*; import java.awt.*; import java.awt.event.*; public class PieChart extends Applet implements ActionListener { int red, blue, green, yellow; Label instrutions= new Label("Enter 4 dollar amounts for your investment portfolio and press ENTER in box 4. "); Label highRisk = new Label("High Risk"); Label mediumRisk = new Label("Medium Risk"); Label lowRisk = new Label("Low Risk"); Label noRisk = new Label("No Risk"); TextField txtHighRisk = new TextField(" ", 10); TextField txtMediumRisk = new TextField(" ", 10); TextField txtLowRisk = new TextField(" ", 10); TextField txtNoRisk = new TextField(" ", 10); static private int CIRCLE= 360; public void init() { add(instrutions); add(highRisk); add(txtHighRisk); add(mediumRisk); add(txtMediumRisk); add(lowRisk); add(txtLowRisk); add(noRisk); add(txtNoRisk); txtNoRisk.addActionListener(this); } public void actionPerformed(ActionEvent thisEvent) { int intHighRisk = Integer.parseInt(txtHighRisk.getText ()); int intMediumRisk = Integer.parseInt (txtMediumRisk.getText()); int intLowRisk = Integer.parseInt(txtLowRisk.getText()); int intNoRisk = Integer.parseInt(txtNoRisk.getText()); red = intHighRisk * CIRCLE; blue = intMediumRisk * CIRCLE; green = intLowRisk * CIRCLE; yellow = intNoRisk * CIRCLE; repaint(); } public void paint(Graphics gr) { gr.setColor(Color.red); gr.fillArc(200, 200, 100, 100, 360, red); gr.setColor(Color.blue); gr.fillArc(200, 200, 100, 100, red, blue); gr.setColor(Color.yellow); gr.fillArc(200, 200, 100, 100, blue, yellow); gr.setColor(Color.green); gr.fillArc(200, 200, 100, 100, yellow, green); } } --------------------------------------------------- servlet CODE --------------------------------------------------- import java.sql.*; import java.lang.*; import java.io.*; import javax.servlet.*; import javax.servlet.http.*; public class PieChartS extends HttpServlet { public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { res.setContentType("text/html"); ServletOutputStream out = res.getOutputStream(); out.println("<html><head><title>pie</title></head><body>"); out.println("<APPLET CODE=\"/home/lnayar/baais/xmlServlet/PieChart.class\" HEIGHT=280 WIDTH=460>"); out.println("</APPLET>"); out.println("</body></html>"); } } --------------------------------------------------------- am trying to create a piechart in servlets . can someone give sggestions as to how to do it .. PLS help me .... Thx prabhu
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#2
August 7th, 2003, 07:30 AM
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hate to break it to you but you're in the wrong forum this is graphic design ... try the JAVA forum...
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