package?services.announcement.util;

import?com.wisorg.scc.core.bean.impl.FastjsonConverter;
import?com.wisorg.scc.core.util.StringUtils;

import?java.util.regex.Pattern;

/**
?*?Created?by?stzhang?on?2015/10/13.
?*/
public?class?IpRangeUtil?{
????private?static?final?String?IPV4_REGEX?=?“（（\\d|[1-9]\\d|1\\d{2}|2[0-4]\\d|25[0-5]）（\\.（\\d|[1-9]\\d|1\\d{2}|2[0-4]\\d|25[0-5]））{3}）“;
????public??static?boolean?checkIpField（String?ip1?String?ip2Mask）{
????????int?idex?=?ip2Mask.indexOf（“/“）;
????????if（idex?==?-1）?return??false;
????????String?maskStr?=?ip2Mask.substring（idex?+?1）;
????????if（StringUtils.isEmpty（maskStr））?return?false;
????????int?mask?=?Integer.parseInt（maskStr）;
????????String?ip2?=?ip2Mask.substring（0?idex）;
????????return?checkSameSegment（ip1?ip2?getMaskInt（mask））;
????}

????private?static?boolean?checkSameSegment（String?ip1?String?ip2?int?mask）?{
????????//?判斷IPV4是否合法
????????if?（!ipV4Validate（ip1））?{
????????????return?false;
????????}
????????if?（!ipV4Validate（ip2））?{
????????????return?false;
????????}
????????int?ipValue1?=?getIpV4Value（ip1）;
????????int?ipValue2?=?getIpV4Value（ip2）;
????????return?（mask?&?ipValue1）?==?（mask?&?ipValue2）;
????}

????private?static?int?getMaskInt（int?maskLength）?{
????????int?subLengt