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Display blob JSP that mimics ASP

Posted on 2009-04-11
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Last Modified: 2012-05-06
How could I modify the below JSP to mimic the ASP, so it simply displays the blob without having to write it to a file first?
 
// Display Blob JSP
PreparedStatement ps = MyConn.prepareStatement("SELECT MyBlob FROM MyTable");
ResultSet rs = ps.executeQuery();
if (rs.next()) {
  Blob b = rs.getBlob(1);
  BufferedOutputStream os;
  File f = new File("MyFile.pdf");
  os = new BufferedOutputStream(new FileOutputStream(f));
  os.write(b.getBytes(1,(int) b.length()),0,(int) b.length());
  os.flush();
  os.close();
  out.print("<script language=javascript>self.location.replace('MyFile.pdf');</script>\n");
}
 
' Display Blob ASP
Set rs = MyConn.Execute("SELECT MyBlob FROM MyTable")
If Not rs.EOF Then
  Response.ContentType = "application/pdf"
  Response.BinaryWrite rs("MyBlob")
End If
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Question by:arichexe
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1 Comment
 
LVL 28

Accepted Solution

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rrz earned 1000 total points
ID: 24124224
If it is just an image, then you could use something like
       Blob b = rs.getBlob(1);
       InputStream is = b.getBinaryStream();
       byte[] imgData = new byte [(int)b.length()];
       is.read(imgData);
       response.setContentType("image/gif");
       OutputStream o = response.getOutputStream();
       o.write(imgData);
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