SignPosts.java 文件源码

private static Multimap<Long, SignPostPath> spFile(TomtomFolder folder) {
    File file = new File(folder.getFile("sp.dbf"));
    Multimap<Long, SignPostPath> result = TreeMultimap.create();
    if (!file.exists()) {
        return result;
    }
    log.info("Reading SP {}", file);
    try (DbfReader reader = new DbfReader(file)) {
        DbfRow row;
        while ((row = reader.nextRow()) != null) {
            SignPostPath path = SignPostPath.fromRow(row);
            result.put(path.getId(), path);
        }
    }
    log.info("Loaded {} sign paths", result.size());
    return result;
}