class BackupUtils {

    public static boolean isFileSpecifiedInPathList(
            File file, Collection<PathWithRequiredFlags> canonicalPathList) throws IOException {
        for (PathWithRequiredFlags canonical : canonicalPathList) {
            String canonicalPath = canonical.getPath();
            File fileFromList = new File(canonicalPath);
            if (fileFromList.isDirectory()) {
                if (file.isDirectory()) {
                    // If they are both directories check exact equals.
                    if (file.equals(fileFromList)) {
                        return true;
                    }
                } else {
                    // O/w we have to check if the file is within the directory from the list.
                    if (file.toPath().startsWith(canonicalPath)) {
                        return true;
                    }
                }
            } else if (file.equals(fileFromList)) {
                // Need to check the explicit "equals" so we don't end up with substrings.
                return true;
            }
        }
        return false;
    }

    private  BackupUtils();

}