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How to open and retrive data from text file(.txt) using JSP

 
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How to open and retrive data from text file(.txt) using JSP, can't find any solution about it.
una_noche
26 Jun, 2007 - 06:28 PM
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i have some process where user want some data (text file .txt) from somewhere for example from D:\smartcard\rs55566.txt. After user have that file the user can choose whether he want to save the text file or display it as a text file. Could anyone here give some idea or code example about this? i have search many times throuh web but i did'tn get any solution. Really need help here.
Thanks...~

This post has been edited by una_noche: 26 Jun, 2007 - 07:32 PM
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1lacca
RE: How To Open And Retrive Data From Text File(.txt) Using JSP
27 Jun, 2007 - 01:57 AM
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code.rascal
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It was not totally clear for me: is your text file on the server?
File access from JSPs is possible, but not encouraged.
You can simply open it from a scriplet in the same way as in a Java SE applicaiton. Sending it backto the user is also possible, the browser's behaviour is defined by the http headers sent in the response. (look for the Content-Disposition header)

If the file is on the client's computer, then things are different...

This post has been edited by 1lacca: 27 Jun, 2007 - 01:57 AM
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una_noche
RE: How To Open And Retrive Data From Text File(.txt) Using JSP
27 Jun, 2007 - 04:28 PM
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The file is on the server, not in the client's computer.
Here i have some coding but not really sure whether i can use it for the process or not.
Could anyone here take a look for a while??

CODE

<%
// fetch the file
String filename = "companySecret.txt";
String filepath = "C:\\";

response.setContentType("application/octet-stream");
response.setHeader("Content-Disposition", "attachment; filename=\"" + filename + '"');

java.io.FileInputStream fileInputStream = new java.io.FileInputStream(filepath + filename);

int i;
while ((i=fileInputStream.read()) != -1)
{
    out.write(i);
}

fileInputStream.close();
out.close();
%>


This post has been edited by una_noche: 27 Jun, 2007 - 04:44 PM
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