Really need help here..urgent!!

mawarzinnirah · #1 Jun 27th, 2007, 05:15

Hello... i have a process where user want some data file(textfile.txt) from somewhere for example from D:\smart\445566.txt. After user have that file, user can choose whether he want save that file or display it as a text file. I have searched many times through web but didn't find any suitable example or solution..

So..anyone here can give me some idea or code example about this problem???
~i'm using JSP..
~i really really need help here..
~thanks...

c010depunkk · #2 Jun 27th, 2007, 06:37

I have no clue about JSP but in PHP that's no problem: Download: zip the file dynamically and give the user the link. View: either just give the user a link to the file or, a much better solution, read the file with PHP and output it with some css formatting. I don't know if you have the possibility to use PHP, I hope this helps.

mawarzinnirah · #3 Jun 27th, 2007, 07:13

thanks for the reply..
But i have to do it in JSP...
Hope anyone in here can give me some idea or example
~thanks...

stevev · #4 Sep 17th, 2007, 14:00

The easy option would be just to supply a link to the file. Assuming it's just a text file, when the user clicks on the link, the browser should render the file contents on screen or pop up the download window.

If you want to display the file contents within your JSP page (a textarea for example) you'll need to do something server side with your JSP/Servlet code.

Somthing like this should do it:

Code: Select all

public static String getStringFromFile(String path)
    throws IOException {
        StringBuffer buff = new StringBuffer(5000);
        BufferedReader in = new BufferedReader(new FileReader(path));
        try {
            String line = null;
            while ((line = in.readLine()) != null) {
                buff.append(line).append('\n');
            }
        } catch (IOException ex) {
            log.error("Problem getting string from file", ex);
            throw ex;
        } finally {
            if (in != null) in.close();
        }
        return buff.toString();
    }

This method returns the contents of a file as a string that you can then display in your JSP page.

Hope this helps.

-Steve

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Really need help here..urgent!!