Try this,

      File f = null;
      f = new File(pdfFolder+"/tech.pdf");

       if (f.exists()){
           ServletOutputStream out = response.getOutputStream ();
           response.setContentType( "application/pdf" ); // MIME
type for pdf doc
          response.setHeader("Content-Disposition","attachment;

     filename=output.pdf;");

           BufferedInputStream bis = null;
           BufferedOutputStream bos = null;

           try {

             // Use Buffered Stream for reading/writing.
             bis = new BufferedInputStream(new FileInputStream(f));
             bos = new BufferedOutputStream(out);

             byte[] buff = new byte[2048];
             int bytesRead;

             // Simple read/write loop.
             while(-1 != (bytesRead = bis.read(buff, 0,
buff.length))) {
                bos.write(buff, 0, bytesRead);
             }


            } catch(final MalformedURLException e) {
                 System.out.println ( "MalformedURLException." );
                 throw e;
            } catch(final IOException e) {
                 System.out.println ( "IOException." );
                 throw e;
            } finally {
                 if (bis != null)
                    bis.close();
                 if (bos != null)
                    bos.flush();
                    bos.close();

            }

Jasthi Bhanu Prasad (CTC) wrote:

>Hi all,
>     I'm using following code to upload file from servlet to client
>machine for saving that in the client machine.
>     But, I could only see the dialogue box with "save" "Open" "cancel".
>If I click 'Open" it is reporting file corruption. If I save, I can see the
>size of file as 1 byte.
>     Can any one help me by pointing the mistake in the code? or correct
>approach....
>
>                FileInputStream fo = new
>FileInputStream("c:\\tech.pdf");
>                response.setContentType("application/pdf");
>
>response.setHeader("Content-Disposition","attachment;
>filename=output.pdf;");
>                javax.servlet.ServletOutputStream out =
>response.getOutputStream();
>                long avl = 0;
>                while( (avl = fo.available()) != 0)
>                {
>                     byte[] bytes = new byte[(int)avl];
>                     out.write(fo.read(bytes));
>                }
>                out.flush();
>                out.close();
>                fo.close();
>
>
>
>>Thanks and Regards,
>> Bhanu
>>
>>
>>
>>
>
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