Search directory with a portion of a filename

Question

I need to make a page that I can search a directory and it's subdirs for files that contain the text supplied. Can anyone help me? Thanks.

Answer 1

I was looking at the class methods, but I am still not sure on searching for filenames. Use listFiles(FileFilter filter) - Returns an array of abstract pathnames denoting the files and directories in the directory denoted by this abstract pathname that satisfy the specified filter? Can someone give syntax on this?
Let me give my game plan and if you maybe tell me there is a much better way of doing this, that would be appreciated. We have about 7000 docs that I want to search from the parent dir down through all of the subdirectories using a string value that may only be a portion of the filename. We are currently using perl for this and want to convert it to jsp. I was thinking I could do a listfiles into an array then search the array. But my concerns are that a) 7000+ possible IFs b) how do I get a file listing of the parent and all subs and all their subs and so on? Please help out, I really appreciate it.
Basically here is my starting point with the code:
String subDir = "/docs";
out.println(subDir+"<BR>");
File f = new File(subDir);
File[] files = f.listFiles();
for (int i=0; i < files.length; i++) {
     out.println("<br>" + files);