Method copyDir

lib/java/src/main/java/com/dianping/cat/util/Files.java:74–76

(File from, File to)

        INSTANCE;

        public void copyDir(File from, File to) throws IOException {
            copyDir(from, to, null);
        }

        public void copyDir(File from, File to, Policy policy) throws IOException {
            String[] names = from.list();