[SUBMIT] symlink task

[Patrick (Gus) Heck]

I have written a symlink task which should be useful for managing websites on unix or any other case where the symlinks in a directory may constitute valuable information. This task allows one to quickly and easily record the symlinks in an entire directory structure in a properties file.

This makes it possible to have a directory that consists entirely of symlinks, 
and can be recreated without shell script and without typing in the links by 
hand.

The way I plan to use this is to record the links, and check the properties 
files into CVS. This way when cvs checks them out it creates the directories 
too. Then ant can come along and read the properties file making all the links 
I need.

I hope others will find this taks useful as well.

The symlink task highlights:
- make a symlink
- delete a symlink without deleting the target file/directory
- record all the symlinks in a directory tree in a properties file
- recreate the symlinks in a directory tree from the properties file
- failonerror or not
- overwrite existing symlinks or not.
- symlink deletion method is exposed as a static utility function for use by 
developers
- I have chosen not to expose the properites file creation method in this task 
but both it and the symlink deletetion method might be transportable to 
FileUtils.java (the method in the PropertyFile task that I mostly copied is 
private). I will let the commiters decide on this one however.

Code and Testcases compiled and run on sun jdk 1.4.0 and ibm jdk 1.1.8_v1 under linux 2.4 kernel

Enjoy,
Gus

symlink.tar.gz

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