Java Find Matching Files

gistfile1.java

    private static List<Path> listMatchingFiles(Path start, String glob)
            throws IOException
    {
        final ImmutableList.Builder<Path> list = ImmutableList.builder();
        final PathMatcher matcher = start.getFileSystem().getPathMatcher("glob:" + glob);
        Files.walkFileTree(start, new SimpleFileVisitor<Path>()
        {
            @Override
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs)
                    throws IOException
            {
                if (matcher.matches(file)) {
                    list.add(file);
                }
                return FileVisitResult.CONTINUE;
            }
        });
        return list.build();
    }