package com.ygsoft.bxj.api; import java.io.File; import java.io.IOException; import java.net.URL; import java.util.List; import org.apache.commons.io.FileUtils; import com.google.common.collect.Lists; /** * * @author 吴云辉 fly@mmgg.net * */ public class Test { public static void main(String[] args) throws IOException { getFile(); List<String> list = FileUtils.readLines(new File("e:/aa.txt")); List<String> ips = Lists.newArrayList(); for (String string : list) { if (string.matches("^apnic\\|CN\\|ipv4\\|.+")) { String[] str = string.split("\\|"); ips.add(str[3] + "/" + toMask(str[4])); } } for (String string : ips) { System.out.println("/ip firewall address-list add list=chinaips address=" + string); } } private static void getFile() throws IOException { URL url = new URL("http://ftp.apnic.net/apnic/stats/apnic/delegated-apnic-latest"); FileUtils.copyURLToFile(url, new File("e:/aa.txt")); } private static int toMask(String rang) { int r = Integer.parseInt(rang); return (int) (32 - Math.log(r) / Math.log(2)); } }