private int compareLong(long first, long second) {
            return (first < second) ? -1 : ((first == second) ? 0 : 1);
        }
Utils for work with files.

@author Alexey Danilov (danikula@gmail.com).
dkplayer-videocache/src/main/java/com/danikula/videocache/file/Files.java