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1 package net.sf.jasperreports.mysql.web;
2
3 import java.io.IOException  ;
4 import java.io.PrintWriter ;
5
6 import javax.servlet.ServletException ;
7 import javax.servlet.ServletOutputStream ;
8 import javax.servlet.http.HttpServlet ;
9 import javax.servlet.http.HttpServletRequest ;
10 import javax.servlet.http.HttpServletResponse ;
11
12
13
17 public class XlsServlet extends HttpServlet
18 {
19
20
21
24 public void service(
25 HttpServletRequest request,
26 HttpServletResponse response
27 ) throws IOException , ServletException
28 {
29 byte[] bytes = null;
30
31 ReportBean reportBean = (ReportBean)request.getSession().getAttribute("reportBean");
32 if (reportBean != null)
33 {
34 bytes = reportBean.getXls();
35 }
36
37 if (bytes != null && bytes.length > 0)
38 {
39 response.setContentType("application/vnd.ms-excel");
40 response.setHeader("Content-Disposition", "inline; filename=\"file.xls\"");
41 response.setContentLength(bytes.length);
42 ServletOutputStream ouputStream = response.getOutputStream();
43
44 try
45 {
46 ouputStream.write(bytes, 0, bytes.length);
47 ouputStream.flush();
48 }
49 catch (IOException e)
50 {
51 if (ouputStream != null)
52 {
53 try
54 {
55 ouputStream.close();
56 }
57 catch (IOException ex)
58 {
59 }
60 }
61 }
62 }
63 else
64 {
65 response.setContentType("text/html");
66 PrintWriter out = response.getWriter();
67 out.println("<html>");
68 out.println("<body bgcolor=\"white\">");
69 out.println("<span class=\"bold\">Empty response.</span>");
70 out.println("</body>");
71 out.println("</html>");
72 }
73 }
74
75
76 }
77 |
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