How to replace File.listFiles(FileFilter filter) with nio in Java 7?

Question

I have some file I/0 traversal code written in Java 6, trying to move it the New I/O in Java 7 but I cannot find any replacement for this kind of stuff.

File         


        

Answer 1

Using Files#newDirectoryStream and DirectoryStream.Filter

Here is the code:

DirectoryStream<Path> stream = Files.newDirectoryStream(dir, new DirectoryStream.Filter<Path>() {

        @Override
        public boolean accept(Path entry) throws IOException 
        {
            return Files.isDirectory(entry);
        }
    });

for (Path entry: stream) {
      ...
}

BTW, I omitted the exception handling in the above code for simplicity.