Re: Problem deleting file

From:
RedGrittyBrick <RedGrittyBrick@SpamWeary.foo>
Newsgroups:
comp.lang.java.help
Date:
Fri, 11 Apr 2008 10:39:09 +0100
Message-ID:
<47ff31be$0$32053$da0feed9@news.zen.co.uk>
CBO wrote:

Hi all,

I am currently developing a java application that uses a CSV file
which it reads and then populates the items inside a JList. Then the
user is able to delete an item from JList which then writes the
information to a temporary file. Once the data has been written I then
want the original file that it read in to be deleted. However for some
reason it keeps on failing and saying the deletion failed but I do not
understand. Below is the code that I am using in order for the item to
be removed from the JList and then written a the file with the new
information and also with the function where it is deleting the file:

    public void deleteOldFile() {

     try {
     File file = new File("C:\\Documents and Settings\\All Users\
\Application Data\\Remote Shutdown\\ExceptionsList.csv");


If you create a separate String for the file name there is always a
chance that you have mistyped it in one place. I'd pass the file name or
a File instance as a parameter of deleteOldFile(); Alternatively I'd
define it as a constant and use it everywhere something is done with
that file.

     boolean success = file.delete();


before this I might try
    if (!file.exists()) {
       System.out.println("File '" + file + "' does not exist");
       System.exit(1); // or whatever
    }
    if (!file.isFile()) {
       System.out.println("File '" + file + "' is not a normal file");
       System.exit(1); // or whatever
    }
    etc etc

     if (!success){
     System.out.println("Deletion failed.");


--
RGB

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