java校验maven下载的jar文件

public class MvnCheckJar {

  public static void main(String[] args) throws Exception {
      
    String localMvnPath = "F:/mvnlib";
    // 遍历文件夹,找出jar\pom和效验文件进行对比,如果不相符,则删除
    getFile(new File(localMvnPath), "jar,pom");
    System.out.println("完毕");
  }

  public static void getFile(File path, String suffixs) throws Exception {
    String[] suffixs_ = new String[] {};
    if (suffixs != null) suffixs_ = suffixs.split(",");
    if (path.isFile()) {
      for (String suffix : suffixs_) {
        if (path.getName().endsWith(suffix)) {
//            System.out.println(path.getAbsolutePath() ); 
          handler(path);
        }
      }
    } else {
      File[] ff = path.listFiles();
      if(ff!=null)
      for (File x : ff) {
        getFile(x, suffixs);
      }
    }
  }

  /**
   * 验证,发现不匹配则删除
   *
   * @throws IOException
   */
  public static void handler(File f) throws Exception {
    File fsha1 = new File(f.getAbsolutePath() + ".sha1");
    if (fsha1.exists()) {
      String sha1 =
          FileUtils.readFileToString(fsha1, "utf-8").replaceAll("(?m).*(\\w{40}).*", "$1").replaceAll("\\n|\\r", "");
      String currsha1 = sha1(f);
      if(!sha1.equals(currsha1)){//如果不等,则删除 当前文件和sha1
//          System.out.println("sha1file: " + sha1 ); 
          fsha1.delete();
          f.delete();
      System.out.println(sha1 + " , " + currsha1 + " , " + f.getAbsolutePath());
      
      }

    } else {
      f.delete();
    }
  }

  public static String sha1(File f) throws Exception {
    try (FileInputStream fis = new FileInputStream(f)) {
      return org.apache.commons.codec.digest.DigestUtils.sha1Hex(fis);
    }
  }
}